Free Data Sources Cheat Sheet
Quick reference for 322 verified free data sources. Download the PDF or browse below.
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Verified Entries (322)
| Name | Badge | Auth | Limits | License | Verified | Snippet |
|---|---|---|---|---|---|---|
| Alpha Vantage | Freemium | free API key | 25 requests/day (unlimited for verified open-source or educational projects); real-time and 15-minute-delayed US data are premium-only | Provider terms | Nov 4, 2026 | — |
| Nasdaq Data Link | Freemium | free API key | Free account + API key: 300 calls/10 seconds, 2,000 calls/10 minutes, 50,000 calls/day, 1 concurrent call; Tables API returns up to 10,000 rows per call. Free data is mainly sample data from premium products: all 206 catalog products were labeled Premium on Oct 20, 2026. | Provider terms | Oct 30, 2026 | — |
| Yahoo Finance | Unofficial | none | Not published | Provider terms | Oct 30, 2026 | — |
| Massive (formerly Polygon.io) | Freemium | free API key | Stocks Basic $0: 5 API calls/min, 2 years history, end-of-day data | Provider terms | Nov 4, 2026 | — |
| CoinGecko | Freemium | free API key | Demo (free key): 100 calls/min, 10,000 calls/month, 1 year of daily and hourly history, attribution required, no commercial license. Keyless (no key): ~10–30 calls/min shared per IP, not for production. | Provider terms | Nov 4, 2026 | — |
| CoinMarketCap | Freemium | free API key | 15,000 call credits/mo | Provider terms | Nov 4, 2026 | KEY = os.environ["CMC_API_KEY"] |
| FRED (Federal Reserve Economic Data) | Free | free API key | Free with API key. v1: 120 requests/minute; v2 bulk release observations: 2 requests/second | Provider terms | Oct 30, 2026 | API_KEY = "your_api_key_here" |
| World Bank Open Data | Free | none | Not stated (free, no API key; 50 results per page by default) | Custom | Nov 4, 2026 | url = "https://api.worldbank.org/v2/country/USA;CH... |
| U.S. Bureau of Labor Statistics (BLS) Public Data API | Free | none (v1); registration key for v2 | Version 1.0 is unregistered: 25 queries/day, up to 25 series and 10 years per query. Version 2.0 requires registration and a registration key (email and organization name; renew at least once a year): 500 queries/day, up to 50 series and 20 years per query, plus net/percent changes, optional annual averages and series description information. | Custom | Nov 4, 2026 | API_KEY = "your_free_registration_key_here" # opt... |
| Tiingo | Freemium | free API key | Starter ($0): 1,000 requests/day, 50 requests/hour, 500 unique symbols/month, 1 GB bandwidth/month; Internal Use Only. Starter can't store data: Tiingo's terms (updated Oct 6, 2026) bar keeping Tiingo data in any persistent or durable storage on Starter or trial plans; process it in memory only and delete it when the job ends (Terms §1.6(a)). | Provider terms | Oct 30, 2026 | — |
| Binance API | Free | none | Public market data needs no API key. Weight-based limits per IP (6,000 weight/min). Not available from restricted locations, including the US (api.binance.com returns HTTP 451). Binance.US is a separate service with its own terms, and it isn't available in every US state (supported states: https://support.binance.us/en/articles/9842798-list-of-supported-and-unsupported-states-and-regions). | Provider terms | Nov 4, 2026 | — |
| EODHD (EOD Historical Data) | Freemium | free API key | Free: 20 API calls/day (weighted: 1 per EOD request, 5 per news request), requests per minute: sources conflict (pricing page 20 requests/min, API limits page 1,000 requests/min), 1 year of EOD history, plus 500 one-time welcome bonus calls. Fundamentals and intraday are not included on Free. | Provider terms | Nov 4, 2026 | — |
| Kaggle Datasets | Free | free API key | Not published | Provider terms | Oct 30, 2026 | — |
| SimFin | Freemium | free API key | Free plan $0: 5 years fundamentals history, 500 high-speed credits | Provider terms | Nov 4, 2026 | — |
| Twelve Data | Freemium | free API key | Basic (free): 8 API credits/min, 800 credits/day. Credits are weighted by endpoint and number of symbols, so 800 credits can mean fewer than 800 calls. | Provider terms | Nov 4, 2026 | — |
| SEC EDGAR APIs | Free | none | Max 10 requests/second per user (across all machines); declare a User-Agent with company name and contact email, e.g. 'Sample Company Name AdminContact@example.com' | Custom | Nov 4, 2026 | HEADERS = {"User-Agent": "Your Name you@example.co... |
| Finnhub | Freemium | free API key | 60 calls/min | Provider terms | Nov 4, 2026 | — |
| Kenneth French Data Library | Free | none | No key or account; direct TXT/CSV zip downloads. No rate limit stated. | Custom | Nov 4, 2026 | ff = web.DataReader("F-F_Research_Data_Factors", "... |
| Alpaca Market Data API | Freemium | free API key | Basic (free): 200 historical API calls/min; real-time = IEX exchange only; 30 WebSocket symbols; history since 2016, but the latest 15 minutes of historical data are restricted; options = indicative feed only | Provider terms | Nov 4, 2026 | client = StockHistoricalDataClient(api_key="YOUR_K... |
| Financial Modeling Prep | Freemium | free API key | Basic ($0): 250 calls/day, 500 MB bandwidth per trailing 30 days, end-of-day data only, up to 5 years of history; most stock endpoints limited to ~87 sample US symbols | Provider terms | Nov 4, 2026 | — |
| CFTC Commitments of Traders (COT) | Free | none | Free, no key or signup. No published rate limit; the CFTC says no token is needed as long as you are not overusing the API. | Custom | Nov 4, 2026 | url = "https://publicreporting.cftc.gov/resource/6... |
| GDELT 2.0 (Global news events and tone) | Free | none | Free, no key or account. Raw 15-minute files: no published rate limit. DOC 2.0 search API: one request every 5 seconds (GDELT's own limit message). | Custom | Nov 4, 2026 | lines = requests.get("https://data.gdeltproject.or... |
| Frankfurter | Free | none | Free, no key or signup. No quotas or daily/monthly caps; requests are rate-limited to prevent abuse (no number published). | Custom | Nov 4, 2026 | url = "https://api.frankfurter.dev/v2/rates.csv" |
| U.S. Treasury Fiscal Data API | Free | none | Free, no API key, account or registration ("it does not require a user account or registration for a token"). No published rate limit; 100 rows per page by default. | Custom | Nov 4, 2026 | BASE = "https://api.fiscaldata.treasury.gov/servic... |
| Bank of Canada Valet API | Free | none | Free, no key or registration. No published numeric rate limit; the Bank asks users to back off on errors and cache daily data. | Custom | Nov 4, 2026 | url = "https://www.bankofcanada.ca/valet/observati... |
| Wikimedia Pageviews | Free | none | Free, no API key. A descriptive User-Agent header with contact details is required; clients without one "may be blocked without notice". | CC0-1.0 | Nov 4, 2026 | HEADERS = {"User-Agent": "my-pageviews-notebook/0.... |
| IEX Exchange HIST | Free | none | Not stated: IEX lists the HIST files as "Free Download" and gives no download, request or rate limit on its HIST page or terms. The index loaded, and the start of a file downloaded, without a key or login on Oct 27, 2026. | Custom | Nov 4, 2026 | INDEX = "https://iextrading.com/api/1.0/hist" |
| J-Quants API | Freemium | free account; API key issued from the dashboard | Free plan (¥0): 5 calls/min, 2 years of history delayed by 12 weeks, no CSV download. Registration alone gives sample data; choose a plan for daily data. The free plan is cancelled automatically after one year (re-subscribe allowed). | Provider terms | Nov 4, 2026 | — |
| EIA Open Data | Free | free registration key for the API; none for bulk files | Free API key (name, email and category; EIA emails the key). Bulk files need no key. The API returns at most 5,000 rows per JSON request (300 for XML). No numeric request limit stated. | Custom | Nov 4, 2026 | BASE = "https://www.eia.gov/opendata/bulk/" |
| National Weather Service API (api.weather.gov) | Free | none; User-Agent header required | Free, no key. A User-Agent is required. The numeric rate limit is not public. | Custom | Oct 30, 2026 | — |
| NASA POWER (Prediction Of Worldwide Energy Resources) API | Free | none | Free public API; no key observed or stated on the pages read. Daily single-point requests allow at most 20 parameters; regional requests allow one parameter. | Custom | Oct 30, 2026 | — |
| Federal Reserve Board RSS feeds | Free | none | Public RSS files; no account or key. Feed retention and item count are not stated. | Custom | Oct 30, 2026 | — |
| European Central Bank RSS feeds | Free | none | Public RSS files; no account or key. Feed retention and item count are not stated. | Custom | Oct 30, 2026 | — |
| Eurostat API (EU statistics) | Free | none | Free, no key. Response-size and request-rate numbers are not stated on the pages read. | Custom | Oct 30, 2026 | — |
| ECB Data Portal API (SDMX) | Free | none | Public API requests need no key. The pages read state no numeric response or request allowance. | Custom | Oct 30, 2026 | — |
| USGS Earthquake Hazards real-time feeds and event API | Free | none | Free, no key. FDSN event queries return at most 20,000 events. | Custom | Oct 30, 2026 | — |
| NASA FIRMS active fire data | Free | none for the 24h/48h/7d files; free MAP_KEY for the API | Recent 24-hour, 48-hour and 7-day files are keyless in the checked path. API and map services use a free MAP_KEY. Some download folders require Earthdata Login. | Custom | Oct 30, 2026 | — |
| Open-Meteo Weather Forecast API | Freemium | none | No key; non-commercial use only. Less than 10,000 calls/day, 5,000/hour and 600/minute. Pricing also lists 300,000 calls/month. | CC-BY-4.0 | Oct 30, 2026 | — |
| ECMWF Open Data (real-time forecasts) | Free | none | No key. Most recent 12 forecast runs, about 2–3 days, across four daily cycles. Products are GRIB2 unless stated otherwise. | CC-BY-4.0 | Oct 30, 2026 | — |
| SEC EDGAR RSS feeds | Free | none | No key. Declare the User-Agent with organization and contact information. Latest-filings results can be filtered by company, CIK or form type. | Custom | Oct 30, 2026 | — |
| Bank of England Database (IADB) | Free | none | No key. CSV URL accepts up to 300 comma-separated series codes in one request. The demonstrated range contains one daily series. | OGL-UK-3.0 | Oct 30, 2026 | — |
| GLEIF LEI Golden Copy and API | Free | none | Free API and Golden Copy or delta-file access without a key. API search is rate-limited to 60 requests per minute per user. | CC0-1.0 | Nov 1, 2026 | — |
| UK Police Data API | Free | none | No key. Street-crime point queries cover one mile; polygons with more than 10,000 crimes return HTTP 503. | OGL-UK-3.0 | Nov 1, 2026 | — |
| UCDP Conflict Data API | Free | requested free access token | Free token requested by email with intended use; requests are reviewed in 3–5 working days. API quota is 5,000 requests per day and errors count. | CC-BY-4.0 | Nov 1, 2026 | — |
| GeoNames Gazetteer Dumps | Freemium | none | The worldwide, country, city, alternate-name and dated change files are free keyless downloads. A paid premium-data variant is separate. | CC-BY-4.0 | Nov 1, 2026 | — |
| OpenStreetMap Planet Files | Free | none | Complete weekly snapshots, history files and replication diffs are keyless file downloads. The 2026-11-01 latest snapshot was 89 GB as PBF or 167 GB as compressed XML. | ODbL-1.0 | Nov 1, 2026 | — |
| Smithsonian Global Volcanism Program | Free | none | Keyless WFS access for non-commercial use. The checked sample requests 100 features; the provider does not state a free-tier query cap. | Custom | Nov 1, 2026 | — |
| OONI Measurement Data and API | Free | none for read API and S3 | Keyless read API and unsigned public S3 access. Measurement API time ranges are capped at 180 days; use S3 rather than the API for bulk data. | CC-BY-NC-SA-4.0 | Nov 1, 2026 | — |
| Harvard Caselaw Access Project | Free | none | All static data files are public with no account, key or meter stated. Bulk downloads are organized by reporter and volume. | CC0-1.0 | Nov 1, 2026 | — |
| Ookla Speedtest Open Data | Free | none | Keyless public S3 files for non-commercial use; one Parquet file and one zipped Shapefile per service type and quarter. | CC-BY-NC-SA-4.0 | Nov 1, 2026 | — |
| USGS Landsat M2M API | Free | free account + approved M2M access + application token | Landsat archive search and downloads are free. M2M access requires a free EROS account, a separate approved access request and an application token. | Custom | Nov 1, 2026 | — |
| CISA Known Exploited Vulnerabilities | Free | none | Complete JSON and CSV catalog downloads are public and keyless. No query API is provided on the checked page. | CC0-1.0 | Nov 1, 2026 | — |
| NIST National Vulnerability Database API | Free | none or free API key | Keyless access allows 5 requests per rolling 30-second window; a free API key allows 50. CVE responses return at most 2,000 records per page. | Custom | Nov 1, 2026 | — |
| FIRST EPSS Scores API | Free | none | No registration. The public API permits 1,000 requests per minute and up to 10,000 records per response page; the CVE filter is limited to 2,000 characters. FIRST directs bulk users to the daily CSV. | Provider terms | Nov 1, 2026 | — |
| OSV Vulnerability Database | Free | none | Keyless API access and full or per-ecosystem dumps. HTTP/1.1 responses are capped at 32 MiB; v1/query paginates above 1,000 vulnerabilities or after 20 seconds. | Custom | Nov 1, 2026 | — |
| abuse.ch threat feeds | Freemium | free Auth-Key for URLhaus and ThreatFox; none for checked Feodo Tracker and SSLBL files | URLhaus and ThreatFox require authentication and permit not-for-profit access within query and export volumes the provider considers reasonable; numeric community limits are not stated. Feodo Tracker and SSLBL are stated to be free without limitations under CC0 principles. | Custom | Nov 1, 2026 | — |
| Spamhaus DROP and Intelligence API | Freemium | none for DROP; account and bearer token for Intelligence API | DROP is keyless and free for any use under its stated credit and update conditions. The Intelligence API Developer License gives one account six months of free access for up to 5,000 queries per month and excludes production or commercial use. | Provider terms | Nov 1, 2026 | — |
| LevelBlue Open Threat Exchange OTX | Free | free account and API key | A registered account provides API-key access for non-commercial use. A 2017 LevelBlue API article states 10,000 requests per hour with a key; current plan documentation does not state a data-volume cap. | Provider terms | Nov 1, 2026 | — |
| AbuseIPDB API | Freemium | free account and API key | Individual plan: 1,000 IP checks and reports per day, 100 block checks per day and a basic blacklist up to 10,000 IPs. The API rate table states five blacklist requests per day for the standard tier. | Provider terms | Nov 1, 2026 | — |
| MISP Galaxy Clusters | Free | none | All repository cluster JSON files are public and keyless. No query service or fixed update schedule is provided. | CC0-1.0 | Nov 1, 2026 | — |
| CIRCL hashlookup and BGP Ranking | Free | none | Public, keyless REST APIs. No availability commitment, quota or BGP query cap is stated. | Custom | Nov 1, 2026 | — |
| CERT Polska Warning List | Free | none | Keyless downloads in eight documented formats; version 2 formats are limited to the latest six months. | Custom | Nov 1, 2026 | — |
| CINS Army IP List | Free | none | Keyless plain-text download capped at 15,000 IP addresses. | Custom | Nov 1, 2026 | — |
| IPsum Threat IP Feed | Free | none | Keyless full feed and preprocessed threshold files from level 1 through level 8. | Unlicense | Nov 1, 2026 | — |
| Cisco Talos PhishTank | Free | none for limited access; free application key for automation | A few database downloads per day without a key; free application keys support automated downloads and higher API limits. Files update hourly, and unlimited HTTP HEAD checks are allowed when an application key is supplied. | Provider terms | Nov 1, 2026 | — |
| OpenPhish Community Feed | Freemium | none | Community Feed only: plain text, limited data, updated every 12 hours, no archive. Use is restricted to personal, academic or independent research that does not support business operations. | Provider terms | Nov 1, 2026 | — |
| Proofpoint Emerging Threats Open | Freemium | none | ET Open rule files are keyless. Updates are normally once each weekday with occasional out-of-band releases; use version.txt before downloading and do not fetch the ruleset more than hourly. | Custom | Nov 1, 2026 | — |
| GeoNet New Zealand Hazard API | Free | none | Keyless public API access. The quick quake endpoint returns at most 100 possibly felt quakes from the last 365 days; the volcano-quake endpoint covers 60 days. | Custom | Nov 1, 2026 | — |
| EU JRC INFORM Risk Index | Free | none | Keyless JSON endpoint and direct XLSX downloads. No query cap or paid tier is stated on the checked pages. | Provider terms | Nov 1, 2026 | — |
| WorldPop Open Population Data | Free | none | Keyless REST metadata and direct data-file downloads. File size varies; the checked worldwide 2020 1 km GeoTIFF was listed as 829.43 MB. | CC-BY-4.0 | Nov 1, 2026 | — |
| Mass Mobilization Protest Data | Free | none | Keyless download of the unrestricted tabular data and codebook. The checked tab file was 15,625,472 bytes and contained 17,145 rows. | CC0-1.0 | Nov 1, 2026 | — |
| NHTSA vPIC Vehicle API | Free | none | No daily action limit is stated. Batch VIN decoding accepts up to 50 VINs, and NHTSA asks large batch users to run at night Eastern time or on weekends. | Provider terms | Nov 1, 2026 | — |
| Meta Social Connectedness Index | Free | none | All listed files are keyless. The country CSV is about 0.56 MB; checked subnational resources range up to about 465 MB, and several level-2 resources are split into shards. | CC0-1.0 | Nov 1, 2026 | — |
| MIT Lincoln Laboratory LADI | Free | none | Public S3 listing and downloads need no AWS account. Full archives are large: the checked listing reports about 3.49 GB for resized v2 and 144 GB for full-resolution v2. | CC-BY-4.0 | Nov 1, 2026 | — |
| Grillo OpenEEW Archive | Free | none | Public S3 listing and downloads need no AWS account. Objects are partitioned into approximately five-minute JSON Lines files; no download quota is stated. | CC-BY-SA-4.0 | Nov 1, 2026 | — |
| ADSB IQ Daily Aircraft Data | Free | none | Daily Parquet releases are public with no account, token or stated download limit. Recent daily files checked are roughly 0.5-0.6 GB each. | ODbL-1.0 | Nov 1, 2026 | — |
| GreyNoise Community API | Freemium | none for 10/day; free API key with business email for 50/week | 10 unauthenticated IPv4 lookups per day. A free account registered with a business email provides up to 50 searches per week, combined between the Community API and Visualizer; consumer-email accounts do not receive API-key access. | Provider terms | Nov 1, 2026 | — |
| Google Safe Browsing API | Freemium | free API key with Google account and Cloud project | All Safe Browsing API use is free of charge for non-commercial purposes. Google assigns a default quota when the API is enabled; the current allocation is visible in Developer Console and additional quota can be requested. v5 urls.search accepts at most 50 URLs per request. | Provider terms | Nov 1, 2026 | — |
| TweetFeed IOC Feed and API | Free | none | All feeds and REST endpoints are public without registration or a key. API responses cap at 10,000 rows; today, week and filtered variants are stated to remain below the cap, while the full month CSV is uncapped. Availability is not committed. | CC0-1.0 | Nov 1, 2026 | — |
| Cisco Snort Community Rules | Freemium | none | The Snort 3 Community Rules archive downloads without an account or key. No download cap or update schedule is stated. | GPL-2.0-only | Nov 1, 2026 | — |
| Disposable Email Domains blocklist | Free | none | The blocklist is a public raw text file with no account or key. No project-specific download cap is stated. | CC0-1.0 | Nov 1, 2026 | — |
| CrowdSec CTI API | Freemium | free API key with CrowdSec account | One Community CTI API key with 120 IP queries per month. Unused quota does not roll over, and self-service keys do not provide programmatic Lucene-style bulk search. | Provider terms | Nov 1, 2026 | — |
| Cisco PSIRT openVuln API | Free | Cisco.com account, client ID and client secret for OAuth 2.0 | Cisco DevNet registration has no charge. Each registered application receives client credentials and is limited by the documented default quotas of 5 calls/second, 30 calls/minute and 5,000 calls/day. | Provider terms | Nov 1, 2026 | — |
| Binary Defense Artillery Banlist | Free | none | The plain-text feed downloads without an account or key. Use is limited to personal, non-commercial public use; no download cap is stated. | Custom | Nov 1, 2026 | — |
| Fraunhofer FKIE Malpedia | Free | none for public metadata/YARA; invite-only account for non-public data | Keyless access includes public family and actor metadata, references, MISP data, version information and public YARA rules. Invite-only registration is required for sample information, sample lists and non-public YARA; this catalog entry excludes all sample access. | CC-BY-NC-SA-3.0 | Nov 1, 2026 | — |
| urlscan.io API | Freemium | free account and API key; minor unauthenticated quotas | Free community account with action-specific minute, hour and day quotas shown in the account and quota endpoint; unauthenticated users receive minor quotas. Search, submission visibility and feature access vary by plan. | Provider terms | Nov 1, 2026 | — |
| VirusTotal Public API v3 | Freemium | free API key | Free Community API key; 4 requests per minute and 500 requests per day; basic public endpoints only; no sandbox data, advanced search or public-tier SLA. | Provider terms | Nov 1, 2026 | — |
| Censys Platform API | Freemium | free account and Personal Access Token | Free account: lookup endpoints only for hosts, web properties and certificates; basic data; no host history; 100 credits per month plus five free Platform API or UI actions per day; one concurrent action. | Provider terms | Nov 1, 2026 | — |
| C2IntelFeeds | Free | none | Keyless feed files are free for non-commercial use under CC BY-NC-SA 4.0; 7-day, 30-day and 90-day variants are available for many feeds. | CC-BY-NC-SA-4.0 | Nov 1, 2026 | — |
| Neo23x0 Signature-Base | Freemium | none | The public repository downloads without a key. The repository README points to a separate commercial rule set with more rules, but states no limit on the public files. | Custom | Nov 1, 2026 | — |
| Correlates of War Project datasets | Free | none | Keyless file downloads. Users cannot charge for access and cannot distribute a dataset to a third party without written permission from the COW director and data host. | Custom | Nov 1, 2026 | — |
| End of Term Web Archive datasets | Free | none | Keyless HTTPS and S3 access to the available datasets; no download quota is stated. The 2024 WARC set is 2.29 PB compressed, so selective retrieval is practical. | Custom | Nov 1, 2026 | — |
| Common Crawl web corpus and indexes | Free | none for HTTPS data and indexes | Free keyless HTTPS download and index access. The corpus is petabyte-scale, and broad CDX filtering should move to the downloadable or columnar index rather than the shared URL-index server. | Provider terms | Nov 1, 2026 | — |
| DB-IP Lite databases | Freemium | none | Keyless monthly Country Lite, City Lite and ASN Lite downloads in CSV and MMDB; Lite editions have reduced coverage and accuracy. | CC-BY-4.0 | Nov 1, 2026 | — |
| Indian Supreme and High Court Judgments | Free | none | Public S3 downloads require no AWS credentials. The provider asks bulk users to prefer tar archives and Parquet rather than millions of individual PDF or JSON objects. | CC-BY-4.0 | Nov 1, 2026 | — |
| FlyItalyADSB API | Freemium | free API key | 30 requests/minute per key, 300,000/month, 500 km maximum live radius and 100 requests/minute per IP. Free overflight searches cover at most 10 km and 6 hours, with at most 10 searches/minute per key. | CC-BY-SA-4.0 | Nov 1, 2026 | — |
| IP2Location LITE databases | Freemium | free account and download token | One free signup unlocks the LITE IP2Location, IP2Proxy and ASN databases. The provider warns that account sharing or massive downloads can disable a LITE account. | Provider terms | Nov 1, 2026 | — |
| MaxMind GeoLite databases | Freemium | account and free licence key | Free account and licence key; 30 database downloads per day. GeoLite web-service limits are separate and are not part of this files entry. | Custom | Nov 1, 2026 | — |
| OpenSanctions bulk data and API | Freemium | none for bulk files; API key for hosted API | Non-commercial use only. Keyless bulk downloads are free for non-commercial users. The hosted API requires a key; business-email signups receive a free trial, and public-interest API keys are available for journalism, civil-society advocacy and academic research. | CC-BY-NC-4.0 | Nov 1, 2026 | — |
| ACLED conflict event data | Freemium | free account and OAuth token | Non-commercial use only. A free myACLED account provides API and export access for permitted non-commercial use. API calls return at most 5,000 events by default; use pagination for larger results. | Provider terms | Nov 1, 2026 | — |
| ReliefWeb API | Free | approved appname; API key for publishing | Non-commercial use only. Read and search access requires an approved appname. Responses are capped at 1,000 entries per call and usage at 10,000 calls per day. | Provider terms | Nov 1, 2026 | — |
| BOEM Offshore Energy Data Center | Free | none | Keyless ZIP downloads are available for the checked ASCII file families. BOEM also notes that some separate files can be purchased on physical media. | Provider terms | Nov 1, 2026 | — |
| CER Pipeline Incident Data | Free | none | Keyless comprehensive-data and dictionary CSV downloads. No file-size or download quota is stated. | Custom | Nov 1, 2026 | — |
| CER Pipeline Throughput and Capacity | Free | none | Keyless CSV downloads. No file-size or download quota is stated. | Custom | Nov 1, 2026 | — |
| Ember Data API | Free | free API key | A free email-verified API key provides access to the documented yearly and monthly dataset endpoints. | CC-BY-4.0 | Nov 1, 2026 | — |
| Fraunhofer ISE Energy-Charts API | Free | none | Keyless public endpoints use per-IP, per-endpoint token buckets. Higher-limit commercial access is available by contacting Fraunhofer ISE. | CC-BY-4.0 | Nov 1, 2026 | — |
| EPA eGRID | Free | none | The current and historical Excel files are free keyless downloads. No file-download quota is stated. | Custom | Nov 1, 2026 | — |
| ERCOT Public Data API | Free | free account, subscription key and API token | A registered user can subscribe for a key and request an ID token valid for one hour. Historic-file downloads are capped at 1,000 files at once; the Data Access Portal permits the same report to be downloaded no more than three times in 12 months, after which stored copies should be reused. | Provider terms | Nov 1, 2026 | — |
| EU Weekly Oil Bulletin | Free | none | Keyless downloads of the current and historical Excel workbooks. No file-size or query cap is stated. | CC-BY-4.0 | Nov 1, 2026 | — |
| GIE AGSI Gas Storage API | Free | free account and API token | Free API after mandatory registration. Responses default to 30 records per page and accept at most 300; only daily storage inventory data currently available on the platform is exposed. | Provider terms | Nov 1, 2026 | — |
| GIE ALSI LNG API | Free | free account and API token | Free API after mandatory registration. Responses default to 30 records per page and accept at most 300; only daily LNG inventory data currently available on the platform is exposed. | Provider terms | Nov 1, 2026 | — |
| Global Energy Monitor Coal Plant Tracker | Free | none | The download form provides the spreadsheet after required name, email, organization, sector and use-case (at least 100 characters) fields and acceptance of the CC BY 4.0 licence; country is optional and no account or key is stated. | CC-BY-4.0 | Nov 1, 2026 | — |
| Global Energy Monitor Gas Infrastructure | Free | none | The download form provides the files after required name, email, organization, sector and use-case (at least 100 characters) fields and acceptance of the CC BY 4.0 licence; country is optional and no account or key is stated. | CC-BY-4.0 | Nov 1, 2026 | — |
| Global Energy Monitor Oil Infrastructure | Free | none | The download form provides the files after required name, email, organization, sector and use-case (at least 100 characters) fields and acceptance of the CC BY 4.0 licence; country is optional and no account or key is stated. | CC-BY-4.0 | Nov 1, 2026 | — |
| NESO Open Data Portal API | Free | none | Keyless access to public CKAN metadata and linked public resources. Dataset-level licence and access fields govern individual resources. | Custom | Nov 1, 2026 | — |
| DESNZ UK Energy Trends Tables | Free | none | Keyless public Excel and OpenDocument downloads. No download cap is stated. | OGL-UK-3.0 | Nov 1, 2026 | — |
| WRI Global Power Plant Database | Free | none | Version 1.3.0 is a complete keyless ZIP download. No download quota is stated. | CC-BY-4.0 | Nov 1, 2026 | — |
| AAFC Annual Crop Inventory | Free | none | Keyless GeoTIFF directories, classification CSV and ArcGIS ImageServer endpoints; no free-access query or download cap is stated. | Custom | Nov 1, 2026 | — |
| Copernicus Global NDVI 300 m v3 | Freemium | free account | Keyless OData catalogue search; raster downloads require a free CDSE account and token. General-user S3/OData/STAC quotas include 2,000 requests per minute, four concurrent connections and 12 TB transferred over a rolling 30 days, after which transfer is slowed. | Custom | Nov 1, 2026 | — |
| EU Agri-food Data Portal API | Free | none | Public JSON GET endpoints without a key. The gateway can return 429 or 503, but no numeric quota is published. | CC-BY-4.0 | Nov 1, 2026 | — |
| FAO FAOSTAT API and bulk downloads | Free | none | Bulk catalog and files are public and keyless. The API developer portal describes JSON and CSV output; no free-tier quota is stated. | CC-BY-4.0 | Nov 1, 2026 | — |
| JRC AGRI4CAST Resources Portal | Free | none | Nine open public resources were returned by the checked portal session. Static files are direct downloads; tailored resources allow spatial, temporal and parameter selection. | CC-BY-4.0 | Nov 1, 2026 | — |
| Statistics Canada Fertilizer Shipments | Free | none | The complete table and metadata are available as a keyless bulk ZIP; no free-access size or row cap is stated. | Custom | Nov 1, 2026 | — |
| Statistics Canada Retail Food Prices | Free | none | The complete table and metadata are available as a keyless bulk ZIP; no free-access size or row cap is stated. | Custom | Nov 1, 2026 | — |
| USDA ERS ARMS Data API | Free | free API key | A valid email address is required for a free data.gov API key. ERS does not state a query-size cap on the checked ARMS documentation. | Provider terms | Nov 1, 2026 | — |
| USDA ERS Feed Grains Database | Free | none | The complete all-years CSV and XLSX downloads are keyless. No file-download quota is stated. | Provider terms | Nov 1, 2026 | — |
| USDA ERS Fertilizer Use and Price | Free | none | One keyless XLS workbook contains all 32 tables and was listed as 785.5 KB. No download quota is stated. | Provider terms | Nov 1, 2026 | — |
| USDA ERS Food Price Outlook | Free | none | Current, historical and archived CSV/XLSX files are keyless; the largest listed historical CSV was 2.03 MB. No download quota is stated. | Provider terms | Nov 1, 2026 | — |
| USDA ERS Farm-to-Consumer Price Spreads | Free | none | Individual current CSV/XLSX files and archived ZIP files are keyless. No download quota is stated. | Provider terms | Nov 1, 2026 | — |
| USDA ESMIS WASDE releases | Free | none | The read-only ESMIS API and linked WASDE release files are keyless. API result sets are paginated at 25 items per page by default. | Custom | Nov 1, 2026 | — |
| USDA FAS Export Sales Reporting API | Free | free API key | A free api.data.gov key allows access to ESR lookup, release-date and export-data endpoints. No numeric call allowance is stated on the FAS portal. | Provider terms | Nov 1, 2026 | — |
| USDA FAS Global Agricultural Trade API | Free | free API key | A free api.data.gov key allows access to GATS lookup, release-date and trade-data endpoints. No numeric call allowance is stated on the FAS portal. | Provider terms | Nov 1, 2026 | — |
| USDA FAS Production, Supply & Distribution | Free | free API key | A free api.data.gov key allows access to the PSD lookup, release-date and forecast-data endpoints. No numeric call allowance is stated on the FAS portal. | Provider terms | Nov 1, 2026 | — |
| USDA NASS Cropland Data Layer | Free | none | Keyless file downloads. National archives are large: the 2025 10-meter CDL is 9.8 GB compressed and its 30-meter resample is 1.9 GB; newer 10-meter confidence layers are viewer-only because of their size. | Custom | Nov 1, 2026 | — |
| USDA NASS Quick Stats API and bulk files | Free | free API key | The free API key permits Quick Stats requests returning up to 50,000 records each. Keyless compressed bulk files cover subject sectors and Census releases. | Provider terms | Nov 1, 2026 | — |
| USGS Mineral Commodity Summaries 2026 | Free | none | All attached release tables and metadata are keyless downloads; no free-access size or query cap is stated. | Custom | Nov 1, 2026 | — |
| World Bank Commodity Markets Pink Sheet | Free | none | Keyless Excel downloads for monthly and annual historical data. No file-download quota is stated. | CC-BY-4.0 | Nov 1, 2026 | — |
| Banco de España Statistics API | Free | none | Public keyless JSON requests; no query quota stated. Range options depend on series frequency. | Provider terms | Nov 1, 2026 | — |
| Banque de France Webstat API | Free | free account and API token | Free registration and API key; 10,000 requests per user account per day. | Provider terms | Nov 1, 2026 | — |
| U.S. BEA Data API | Free | free API key | A free registered key provides API access. Standard quotas are 100 requests per minute, 100 MB retrieved per minute and 30 errors per minute. | Provider terms | Nov 1, 2026 | — |
| BIS Data Portal SDMX API | Free | none | Free keyless access to API-accessible BIS statistics. Dataset coverage, frequency and response size depend on the selected dataflow. | Provider terms | Nov 1, 2026 | — |
| Deutsche Bundesbank SDMX API | Free | none | Free keyless access. SDMX CSV supports at most 200 time series per plain response; broader or mixed-frequency CSV output is delivered as ZIP. | Provider terms | Nov 1, 2026 | — |
| CFTC Weekly Swaps Report | Free | none | Keyless current HTML tables and date-indexed archive pages. Current all-swaps reports display five weeks; asset-class reports display one week. | Custom | Nov 1, 2026 | — |
| FDIC BankFind Suite API and Bulk Data | Free | none | Public API queries and institution or location bulk CSV files without a key. No suite-wide response cap is stated on the checked pages. | Provider terms | Nov 1, 2026 | — |
| Fed Distributional Financial Accounts | Free | none | The complete keyless CSV ZIP was 895,897 bytes when checked and contained 27 files. No download cap is stated. | Custom | Nov 1, 2026 | — |
| FFIEC Call Reports Bulk Data | Free | none | Keyless bulk downloads by product, reporting period and available format. The separate Public Web Service requires an account. | Provider terms | Nov 1, 2026 | — |
| HKMA Open API | Free | none | All checked Open API documentation is free without application, registration or certification. No response cap is stated on the checked pages. | Provider terms | Nov 1, 2026 | — |
| Norges Bank Open Data API | Free | none | Public REST queries and file-format exports without an account or key; no query-size cap stated. | Provider terms | Nov 1, 2026 | — |
| New York Fed Markets Data API | Free | none | Keyless public API access. Endpoint-specific validation applies; no unified request or response cap is stated. | Provider terms | Nov 1, 2026 | — |
| New York Fed Household Debt and Credit | Free | none | Public quarterly Excel workbooks and a separate 1999-2003 workbook without an account or key. | Provider terms | Nov 1, 2026 | — |
| Sveriges Riksbank SWEA API | Free | none; free API key for higher limits | Anonymous: 5 calls per minute and 1,000 calls per day. Registered API key: 200 calls per minute and 30,000 calls per week, except the two group-observation methods noted by the provider. | Provider terms | Nov 1, 2026 | — |
| UNCTAD Data Hub FDI Statistics | Free | none | Free access with no registration required; selected data can be saved as CSV and entire tables can be downloaded through the bulk-files control. | CC-BY-3.0-IGO | Nov 1, 2026 | — |
| U.S. Treasury USAspending API | Free | none | Keyless access to public API endpoints. Award searches accept dates from 2007-10-01; the API directs older requests back to 2000-10-01 to custom, download or bulk-download routes. | Provider terms | Nov 1, 2026 | — |
| World Bank Remittance Flows Datasets | Free | none | Two public Excel workbooks, one for inward and one for outward flows; no key or account required. | ODbL-1.0 | Nov 1, 2026 | — |
| BTS Transportation Services Index | Free | none | Keyless public JSON and CSV API plus full export. Provider query and usage quotas were not stated. | Custom | Nov 1, 2026 | — |
| BTS TranStats | Free | none | Keyless selective CSV downloads and pre-zipped monthly files. Very large tables can omit all-period or all-geography choices, and complete multi-year downloads may require contacting TranStats support. | Provider terms | Nov 1, 2026 | — |
| FAA NAS Status airport API | Free | none | Keyless access to the current XML snapshot. No historical endpoint, storage cap or numeric request allowance is stated. | Provider terms | Nov 1, 2026 | — |
| FHWA National Bridge Inventory | Free | none | Keyless state-level and nationwide downloads. The 2026 nationwide Excel option is a ZIP of state workbooks because of Excel size limits; JSON and GeoJSON are also offered. | Provider terms | Nov 1, 2026 | — |
| Fintraffic Digitraffic Transport APIs | Free | none | Public road, rail and marine REST, GraphQL and MQTT services need no account or key. A Digitraffic-User header identifies the application and raises request allowances above the anonymous limits. | CC-BY-4.0 | Nov 1, 2026 | — |
| FRA rail safety data | Free | none | Keyless public API and file export. The ingestion example deliberately limits each API query to 5,000 rows; provider rate and query caps were not stated. | Custom | Nov 1, 2026 | — |
| MarineCadastre AIS Vessel Transit Data | Free | none | Annual GeoTIFF transit-count files are direct, keyless downloads; the checked files are 284.48 MB to 534.46 MB each. | Custom | Nov 1, 2026 | — |
| Network Rail open data feeds | Free | free account | A free account is required. Access is first-come, first-served and currently restricted to 1,000 users. | OGL-UK-3.0 | Nov 1, 2026 | — |
| NGA World Port Index | Free | none | Public name indexes and query/download tools are available without an account or key. | Provider terms | Nov 1, 2026 | — |
| NOAA CO-OPS Data API | Free | none | Free keyless API access subject to product and interval query-span caps: four days to 200 years per request depending on interval. | Custom | Nov 1, 2026 | — |
| New York Fed GSCPI | Free | none | Keyless CSV and Excel downloads with no stated row, download or storage cap. Automated access must not disable, damage or interfere with the website. | Provider terms | Nov 1, 2026 | — |
| ORR rail statistics data portal | Free | none | Public table pages and browser-generated CSV, JSON and XLSX downloads are keyless. No download allowance was stated. | OGL-UK-3.0 | Nov 1, 2026 | — |
| OurAirports open airport data | Free | none | Keyless full CSV downloads for airports, frequencies, comments, runways, navaids, countries and regions. No row, storage or reuse cap is stated. | Custom | Nov 1, 2026 | — |
| Statistics Canada railway carloadings | Free | none | Full-table CSV and Web Data Service access are public without registration. No row allowance or usage quota was stated. | Custom | Nov 1, 2026 | — |
| UNCTADstat Maritime Indicators | Free | none | Data access is free without registration; selected data can be saved as CSV and complete tables can be downloaded as bulk files. | Custom | Nov 1, 2026 | — |
| USACE National Inventory of Dams | Free | none | Public REST endpoints and national CSV or GeoPackage downloads need no key. The checked national CSV was about 69 MB and contained 92,692 records. | Provider terms | Nov 1, 2026 | — |
| OFAC Sanctions List Service | Free | none | Keyless downloads of the full SDN and consolidated non-SDN files (XML, CSV and other formats), custom datasets by list or program, and delta files. The full SDN XML was about 29 MB on 2026-11-02. | Provider terms | Nov 2, 2026 | — |
| Library of Congress Congress.gov API | Free | free API key | A free api.data.gov key is required. List responses default to 20 records and are capped at 250 records per request. | Provider terms | Nov 2, 2026 | — |
| ITA Consolidated Screening List | Free | none for files; free account and API token | Keyless complete CSV, TSV and JSON downloads are available. API access requires a free portal account, API product subscription and subscription key; the API contains active entities only. | Provider terms | Nov 2, 2026 | — |
| UK Contracts Finder OCDS API | Free | none | Published OCDS endpoints and CSV downloads need no account or key. Search responses return 1 to 100 releases and provide a cursor for the next page. | OGL-UK-3.0 | Nov 2, 2026 | — |
| EU Consolidated Financial Sanctions Files | Free | none | Complete CSV, XML and PDF snapshots download without an account or key. No query interface or free-tier row cap applies to the files. | CC-BY-4.0 | Nov 2, 2026 | — |
| FCDO UK Sanctions List | Free | none | Complete CSV, XML, ODS, ODT, HTML, text and PDF files are available without an account or key. No row or download cap is stated. | OGL-UK-3.0 | Nov 2, 2026 | — |
| Copernicus Data Space Sentinel APIs | Freemium | none for catalogue search; free account for downloads | Keyless STAC catalogue search. A free registered account receives the documented general-user quotas, including 12 TB per rolling 30 days for immediately available S3/OData/STAC downloads, four concurrent connections and 20 MB/s per connection. | Custom | Nov 2, 2026 | — |
| NOAA SWPC JSON Services | Free | none | Keyless static JSON downloads. The checked real-time solar-wind JSON files cover the latest 24 hours; no file-size or request quota is stated. | Custom | Nov 2, 2026 | — |
| Free Law Project CourtListener API | Freemium | free account and API token | Non-members receive 5 authenticated requests per minute, 50 per hour and 125 per day. The checked court-directory endpoint also returned JSON without authentication; access varies by endpoint. | Custom | Nov 2, 2026 | — |
| Office of the Federal Register API | Free | none | Keyless public API access. Document searches return no more than 1,000 records per page and cover publications since 1994. | Provider terms | Nov 2, 2026 | — |
| U.S. GPO GovInfo API | Free | free API key | A free API.data.gov key provides access to discovery and package endpoints. Page size is capped at 1,000 records. | Custom | Nov 2, 2026 | — |
| UK Companies House Public Data API | Freemium | free account and API token | Companies House says its public company data is free through the API. The standard quota is 600 requests in a five-minute period; higher limits require contacting the provider. | OGL-UK-3.0 | Nov 2, 2026 | — |
| Government of Canada CKAN API | Free | none | The public catalogue Action API needs no key and supports GET requests only. Query and download caps are not stated; terms and formats can differ for linked resources. | Custom | Nov 2, 2026 | — |
| EU TED Search API | Free | none | Anonymous Search API access. Page-number mode: 15,000 retrievable notices per query, 250 notices per page and 10,000 fields per page; iteration mode has no total-notice cap but keeps the per-page limits. | Provider terms | Nov 2, 2026 | — |
| UNHCR Refugee Statistics API | Free | none | Public, keyless API with pagination; endpoint documentation states a default limit of 100 items. UNHCR may impose quotas or technical controls, but no numeric request quota is published. | CC-BY-4.0 | Nov 2, 2026 | — |
| Wikimedia Wikidata Query Service | Free | none | Public endpoint with no key. Queries time out after 60 seconds; one client identified by user agent and IP receives 60 seconds of processing time per 60 seconds and up to 30 erroneous queries per minute. | CC0-1.0 | Nov 2, 2026 | — |
| Cloudflare Radar API | Free | free API token | Non-commercial use only. The Radar API is free and available on all plans, but it requires a Cloudflare API token. | CC-BY-NC-4.0 | Nov 2, 2026 | — |
| RIPEstat Data API | Free | none | Non-commercial use only. Keyless access has no request-count limit. Users planning regular use above 1,000 requests per day are asked to register a sourceapp identifier with RIPE NCC. | Custom | Nov 2, 2026 | — |
| UN Security Council Consolidated List | Free | none | Non-commercial use only. Keyless XML, HTML and PDF downloads are available; the UN website terms permit downloaded materials only for personal, non-commercial use and prohibit resale, redistribution, compilation and derivative works. | Provider terms | Nov 2, 2026 | — |
| OpenFEC API | Free | free API key | Non-commercial use only. A free API key enables up to 1,000 calls per hour, with up to 100 results per page; users may request a 7,200-calls-per-hour limit from the FEC. | Provider terms | Nov 2, 2026 | — |
| EMSC SeismicPortal Web Services | Free | none | Free keyless FDSN event queries with time, location, depth, magnitude, catalogue, limit and offset parameters. A maximum query size is not stated; mirroring or bulk-copying the database requires prior written permission. | CC-BY-4.0 | Nov 2, 2026 | — |
| MITRE ATT&CK® STIX Data | Free | none | Keyless STIX 2.1 JSON bundles for every release on GitHub, a read-only TAXII 2.1 server and Excel exports. The current Enterprise bundle was about 55 MB on 2026-11-03. | Custom | Nov 3, 2026 | — |
| OpenAlex API | Freemium | none for basic use; free API key raises the daily budget 10x | No key: basic queries at up to 10 requests per second. Free key: $1 of API usage per day (resets at midnight UTC), 30 requests per second and cursor paging past the first page; a new account spends its first $1 at up to $0.10 every 5 minutes. per_page is at most 100 and basic paging stops at 10,000 results. | CC0-1.0 | Nov 3, 2026 | — |
| Crossref REST API | Free | none (add mailto for the polite pool) | No sign-up. Crossref's table lists the public pool at a rate limit of 5 with concurrency 1 and the polite pool (mailto) at 10 with concurrency 3; on 2026-11-03 the response headers showed 1 and 3 requests per 1s. The paid Metadata Plus pool lists 150 with no concurrency limit. | Provider terms | Nov 3, 2026 | — |
| arXiv API | Free | none | No key. Legacy APIs (arXiv API, OAI-PMH, RSS): no more than one request every three seconds, one connection at a time, across all machines you control. At most 2,000 results per call and 30,000 per query. | CC0-1.0 | Nov 3, 2026 | — |
| NCBI E-utilities (PubMed) | Free | none (optional free API key for more than 3 requests a second) | No key: no more than 3 requests per second per computer (IP address), across all E-utilities; an API key allows more. Series of more than 100 requests: run at weekends or between 9 pm and 5 am Eastern Time on weekdays. | Provider terms | Nov 3, 2026 | — |
| DataCite REST API | Free | none (email in User-Agent or mailto for a higher limit) | No key. Unidentified requests: 500 per 5 minutes per IP address; identified (email in the User-Agent or a mailto parameter): 1,000; authenticated DataCite accounts: 3,000. | CC0-1.0 | Nov 3, 2026 | — |
| DOAJ (Directory of Open Access Journals) API | Free | none for search (API keys are mainly for publishers) | No key for search. Two requests per second on all API routes; bursts of up to five requests per user are queued as long as they average out to two per second. | CC0-1.0 | Nov 3, 2026 | — |
| Zenodo REST API | Free | none for public records search (guest limits); free account and access token for higher limits, authenticated and deposit operations | Guest users: 60 requests per minute and 2,000 per hour; authenticated users: 100 per minute and 5,000 per hour. Search REST endpoints and OAI-PMH harvesting: 30 requests per minute. | CC0-1.0 | Nov 3, 2026 | — |
| OSTI.GOV API (U.S. DOE research results) | Free | none | Terms restrict use of the documents beyond reading, downloading and analysing. No key; 20 records per page by default (rows and page parameters). A request rate limit is not stated. | Provider terms | Nov 3, 2026 | — |
| OpenAIRE Graph API | Free | none (60 requests/hour); free account token for up to 7,200/hour | Unauthenticated: up to 60 requests per hour. Registered users: up to 7,200 requests per hour with a personal access token, used for up to one hour at a time. Offset paging stops at 10,000 results per query. | Provider terms | Nov 3, 2026 | — |
| OpenCitations Index and Meta API | Free | none (optional free access token) | No token required; a free access token is encouraged for code. 180 requests per minute per IP address; use the database dumps for large-scale retrieval. | CC0-1.0 | Nov 3, 2026 | — |
| World Bank Documents & Reports API | Free | none | Terms restrict use (non-commercial API use for Materials without specific terms). No key; 10 rows per page by default (rows and os parameters). A numeric rate limit is not stated; the terms bar use that exceeds reasonable request volume. | Custom | Nov 3, 2026 | — |
| INTERPOL Red Notices (public extracts) | Free | none | Free to view; INTERPOL publishes no API or bulk download for agents. Automated extraction requires prior written permission. | Custom | Nov 4, 2026 | — |
| ENISA EU Vulnerability Database API | Free | none | Keyless JSON endpoints for recent, critical and exploited vulnerabilities plus search and record lookup. No request quota or history limit was stated. | unknown | Nov 4, 2026 | — |
| CVE List V5 | Free | none | Keyless git repository, one JSON file per CVE Record, daily baseline release ZIPs, hourly delta ZIPs and a rolling delta log. No download quota is stated. | Custom | Nov 4, 2026 | — |
| GitHub Advisory Database | Free | none | The full public git repository can be cloned without an account. GitHub's unauthenticated REST API is limited separately; repository download limits are not stated on the database page. | CC-BY-4.0 | Nov 4, 2026 | — |
| CelesTrak GP Orbital Elements | Free | none | Keyless GP queries by catalogue number, international designator, name, group, special set or update window in TLE, 2LE, XML, KVN, JSON and CSV. Download only the data needed and cache it within an organization. | unknown | Nov 4, 2026 | — |
| adsb.lol Open Flight Data | Free | none | The public API and daily historical releases are available without an account. The API docs say keys can be requested and may be required in the future; production users are asked to make contact. | ODbL-1.0 | Nov 4, 2026 | — |
| Canada Consolidated Autonomous Sanctions List | Free | none | Complete XML, HTML and PDF versions are available without an account or key. The list is for administrative purposes only and the provider warns it may not be up to date. | Custom | Nov 4, 2026 | — |
| Statistics Canada Web Data Service | Free | none | Keyless JSON methods for discrete observations and metadata plus full-table CSV/SDMX and daily delta files for bulk updates. Per-method point limits vary; the guide says WDS is not intended for large data updates. | Custom | Nov 4, 2026 | — |
| UK Office for National Statistics API | Free | none | The Beta API is open and unrestricted with no API key. Dataset-specific coverage and third-party rights can vary. | OGL-UK-3.0 | Nov 4, 2026 | — |
| IMF PortWatch | Free | none | Keyless ArcGIS REST queries and direct downloads of the Daily Port Activity and Daily Chokepoints Data feature layers, updated weekly on Tuesdays at 9am ET. No download quota is stated. | Custom | Nov 4, 2026 | — |
| Global Fishing Watch APIs | Free | free API key | Non-commercial use only. A free API token covers vessel presence and fishing-activity tiles/reports, dark-vessel detections, vessel identity lookups, encounters/transshipment events, and bulk CSV/JSON export. | CC-BY-NC-4.0 | Nov 4, 2026 | — |
| Danish AIS historical data | Free | none | Free zipped daily CSV downloads with no account or key, covering Danish waters. No download quota is stated. | unknown | Nov 4, 2026 | — |
| EMODnet Human Activities | Free | none | Free map viewer and products-catalogue downloads of vessel/route density rasters, main-ports traffic, cables, offshore installations and other human-activity layers for EU waters. No account or key is needed; quotas are not stated. | unknown | Nov 4, 2026 | — |
| NOAA NDBC buoy data | Free | none | Keyless flat-file downloads over HTTPS for the current 45 days of data per station and data type. No numeric request cap is stated. | Custom | Nov 4, 2026 | — |
| UKMTO recent incidents | Free | none | Public, free-to-view incident advisory page with in-browser filters. No API or bulk download is published. | OGL-UK-3.0 | Nov 4, 2026 | — |
| BarentsWatch AIS API | Free | free client registration + OpenID Connect | Open Access AIS APIs are free with a self-registered client; no numeric request quota is stated, but OpenID Connect authentication is mandatory. | NLOD-2.0 | Nov 5, 2026 | — |
| Copernicus Marine Service (CMEMS) | Free | free registration | Free registration is required before downloading or subsetting any product through the Copernicus Marine Toolbox or APIs; products are free of charge under the current licence/SLA. | Custom | Nov 5, 2026 | — |
| Singapore MPA maritime statistics | Free | none; optional API key for higher limits | The CKAN datastore_search API is free and keyless; a real call on 2026-11-05 returned 3,048 rows for the vessel-arrivals-by-type breakdown and 6,096 rows for the bunker-sales breakdown. An optional API key raises the rate limit. | Custom | Nov 5, 2026 | — |
| UK DfT port freight statistics | Free | none | Keyless ODS, CSV and zip downloads from GOV.UK statistical data sets and statistics pages; no account needed. | OGL-UK-3.0 | Nov 5, 2026 | — |
| Combined IUU Fishing Vessel List | Free | none | Non-commercial use only. Free public website search; an Excel download is available from the Download page, which asks the requester's reason, and email change notifications are optional. | Custom | Nov 5, 2026 | — |
| Shanghai Shipping Exchange SCFI | Free | none | Public index page showing the current SCFI value and a week-over-week comparison; no free bulk API or download is documented. | Custom | Nov 5, 2026 | — |
| Drewry World Container Index | Free | none | Public WCI headline page with the weekly composite and selected route assessments; no free bulk download is documented. | Custom | Nov 5, 2026 | — |
| Panama Canal Authority maritime services | Free | none | Public maritime-services pages; no free bulk API is documented. | Custom | Nov 5, 2026 | — |
| Suez Canal Authority navigation statistics | Free | none | Public navigation-statistics page; no free bulk API is documented. | Custom | Nov 5, 2026 | — |
| ITU MARS ship station list | Free | none | Public interactive lookup; no bulk API is documented. | Custom | Nov 5, 2026 | — |
| Ukraine War & Sanctions shadow fleet | Free | none | Public web listing of shadow-fleet vessel cards with IMO and filters. No bulk API documented. | Custom | Nov 5, 2026 | — |
| GPSJAM GNSS interference maps | Free | none | Free public daily maps; no account. No bulk API documented on About/FAQ. | Custom | Nov 5, 2026 | — |
| Freightos Baltic Index (FBX) | Freemium | none for public headline; account for detail/export | Public FBX headline/lane views; exports and granular history via paid account per provider FAQ. | Custom | Nov 5, 2026 | — |
| WCPFC Record of Fishing Vessels | Free | none | Public RFV browse and search. No free bulk API documented on the checked page. | Custom | Nov 5, 2026 | — |
| NSIDC Sea Ice Index (G02135) | Free | none | Free HTTPS file access under noaadata.apps.nsidc.org/NOAA/G02135/; citation required. No numeric rate limit stated on the data root listing. | Custom | Nov 5, 2026 | — |
| EIA World Oil Transit Chokepoints | Free | none | Free public analysis pages and tables. Not a live bulk API for this product. | Custom | Nov 5, 2026 | — |
| NOAA ERDDAP CoastWatch | Free | none | No account or key for the public ERDDAP endpoints checked. Request modestly on shared infrastructure. | Custom | Nov 5, 2026 | — |
| NOAA Ocean Prediction Center | Free | none | Free public forecast and analysis products; no account. | Custom | Nov 5, 2026 | — |
| ICCAT Record of Vessels | Free | none | Public search and list downloads linked from the Record of Vessels page. No API documented. | Custom | Nov 5, 2026 | — |
| FAO Global Record of Fishing Vessels | Free | none | Public information-system hub / application launch. No free bulk redistribution API documented on the checked pages. | Custom | Nov 5, 2026 | — |
| World Bank Global Shipping Traffic Density | Free | none | Free public download of six global raster layers (Commercial, Fishing, Oil & Gas, Passenger, Leisure, Global); no account. | CC-BY-4.0 | Nov 5, 2026 | — |
| MARAD MSCI U.S. Maritime Advisories | Free | none | Free public advisories and alerts; free email subscription offered. | Custom | Nov 5, 2026 | — |
| USCG NAVCEN Maritime Safety Information | Free | none | Free public notices, bulletins and RSS feeds; free email alerts. | Custom | Nov 5, 2026 | — |
| USACE Waterborne Commerce Statistics Center | Free | none | Free public statistics and downloads; no account. | Custom | Nov 5, 2026 | — |
| BTS Port Performance Freight Statistics | Free | none | Free public dashboards, port profiles and annual reports; no account. | Custom | Nov 5, 2026 | — |
| ReCAAP ISC piracy and sea robbery reports | Free | none | Free public reports, alerts and incident map; no account. | Custom | Nov 5, 2026 | — |
| Marine Regions maritime boundaries (EEZ) | Free | none for OGC/SOAP/REST services; free registration form for downloads | Free downloads and web services; file downloads require a registration form. | CC-BY-4.0 | Nov 5, 2026 | — |
| IOC Sea Level Station Monitoring Facility | Free | free registration for API | Non-commercial use only. Web view free; REST API needs free registration. | Custom | Nov 5, 2026 | — |
| EU Fishing Fleet Register | Free | none | Free search and captcha-gated export; no account. | CC-BY-4.0 | Nov 5, 2026 | — |
| Canadian Ice Service ice charts and conditions | Free | none | Free public ice charts and bulletins; non-commercial reproduction allowed with credit. | Custom | Nov 5, 2026 | — |
| MarineCadastre AccessAIS | Free | none (email address required to place an AccessAIS order) | Free interactive AccessAIS orders for custom AOI/time; FAQ caps a single order at 2 GB and one active order per user. Nationwide annual point files are also offered via the MarineCadastre AIS bulk download page. No account fee. | Custom | Nov 5, 2026 | — |
| HELCOM AIS shipping density maps | Free | none | Free public map service and metadata zip download for annual density products; no account stated on the checked pages. | Custom | Nov 5, 2026 | — |
| DMA EU sanction designated vessels | Free | none | Free public HTML list plus XLSX/CSV import versions linked from the page; no account. | Custom | Nov 5, 2026 | — |
| NOAA Electronic Navigational Charts (ENC) | Free | none | Free keyless ENC downloads from the Chart Locator and regional ENC download pages; weekly Notice to Mariners updates (timing not guaranteed). | Custom | Nov 5, 2026 | — |
| Port of Rotterdam throughput figures | Free | none | Free public quarterly/YTD throughput press pages and Port Performance dashboard view; no bulk API documented on the checked pages. | Custom | Nov 5, 2026 | — |
| KSE Institute Russian Shadow Fleet Tracker | Free | none | Free public programme page, news posts and tracker PDFs; no bulk API documented. | Custom | Nov 5, 2026 | — |
| OpenSeaMap | Free | none | Free interactive map; data editable/exportable via the OpenStreetMap ecosystem under ODbL. No separate OpenSeaMap bulk API was documented on the checked pages. | ODbL-1.0 | Nov 5, 2026 | — |
| Hong Kong Marine Department port and maritime statistics | Free | none | Free public HTML/PDF statistics tables on the Marine Department site; no bulk API documented on the checked page. | Custom | Nov 5, 2026 | — |
| ICC IMB Piracy Reporting Centre | Free | none | Free public Piracy Reporting Centre pages including Live Piracy Map links and prone-area warnings; no bulk API documented. | Custom | Nov 5, 2026 | — |
| Canadian Coast Guard Notices to Mariners (NOTMAR) | Free | none | Free download of covered NOTMAR publications from notmar.gc.ca / Canadian Coast Guard sites; no account stated on the checked pages. | Custom | Nov 5, 2026 | — |
| OpenFIGI | Free | none or free API key | No key: Mapping 25 requests/minute and 10 jobs/request. Free OpenFIGI API key: Mapping 250 requests/minute and 100 jobs/request. Search/Filter lower (5 requests/minute without key, 20 with key). No daily/weekly/monthly Mapping cap stated on the overview. | Custom | Nov 5, 2026 | — |
| NYSE Group daily symbol mapping files | Free | none | Free keyless HTTPS directory listings and file downloads on ftp.nyse.com; no account. Usage limits and reuse rights are Not stated on the FTP site. | Provider terms | Nov 5, 2026 | — |
| NYSE Group consolidated short interest | Free | none | Free keyless HTTPS directory listings and file downloads on ftp.nyse.com; no account. Usage limits and reuse rights are Not stated on the FTP site. | Provider terms | Nov 5, 2026 | — |
| NYSE Group daily short sale volume files | Free | none | Free keyless HTTPS directory listings and file downloads on ftp.nyse.com; no account. Usage limits and reuse rights are Not stated on the FTP site. | Provider terms | Nov 5, 2026 | — |
| NYSE Group LULD circuit breaker files | Free | none | Free keyless HTTPS directory listings and file downloads on ftp.nyse.com; no account. Usage limits and reuse rights are Not stated on the FTP site. | Provider terms | Nov 5, 2026 | — |
| NYSE Group SSR circuit breaker files | Free | none | Free keyless HTTPS directory listings and file downloads on ftp.nyse.com; no account. Usage limits and reuse rights are Not stated on the FTP site. | Provider terms | Nov 5, 2026 | — |
| NYSE MEF Public listing events JSON | Free | none | Free keyless HTTPS directory listings and file downloads on ftp.nyse.com; no account. Usage limits and reuse rights are Not stated on the FTP site. | Provider terms | Nov 5, 2026 | — |
| NYSE index options settlement price files | Free | none | Free keyless HTTPS directory listings and file downloads on ftp.nyse.com; no account. Usage limits and reuse rights are Not stated on the FTP site. | Provider terms | Nov 5, 2026 | — |
| LSEG Delayed Market Data (London Stock Exchange, Turquoise, TRADEcho) | Free | none | Free download of the minute files from dmd.lseg.com; no registration or key (optional email for service notices). Only recent days are listed. No download or request limit stated. | Custom | Nov 5, 2026 | — |
| Euronext MiFID II delayed trades files | Free | none | Free CSV (zipped) downloads with no registration or key; files available for at least 24 hours after publication. No download or request limit stated. | Custom | Nov 5, 2026 | — |
| Deutsche Börse MiFID II delayed data (Xetra, Börse Frankfurt, Eurex) | Free | none | Free gzipped JSON minute files with no registration or key; files kept until midnight of the following business day. No download or request limit stated. | Custom | Nov 5, 2026 | — |
| JPX List of TSE-listed Issues | Free | none | Free Excel download (English data_e.xlsx and Japanese data_j.xlsx, about 260 KB) with no registration or key; one file per month, latest only. No download limit stated. | Custom | Nov 5, 2026 | — |
| QuantConnect | Freemium | account | Free plan: unlimited cloud backtesting on minute, hour and daily data (equities, indexes, forex, crypto, futures, options) plus corporate fundamentals; 1 backtest node, 1 research node; no tick or second data, no alternative data, no paper or live trading (0 live-trading nodes), no LEAN CLI local coding, no API access. | Provider terms | Nov 4, 2026 | — |
| Backtrader | Open Source | none | Not published | GPL-3.0-or-later | Nov 4, 2026 | class SmaCross(bt.SignalStrategy): |
| Zipline Reloaded | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| LangChain | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| AutoGPT | Open Source | none | Not published | Custom | Nov 4, 2026 | — |
| CrewAI | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| Pandas | Open Source | none | Not published | BSD-3-Clause | Nov 4, 2026 | df = pd.read_csv("prices.csv", parse_dates=["date"... |
| NumPy | Open Source | none | Not published | BSD-3-Clause | Nov 4, 2026 | — |
| Scikit-learn | Open Source | none | Not published | BSD-3-Clause | Nov 4, 2026 | — |
| XGBoost | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| Prophet | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| PyTorch | Open Source | none | Not published | BSD-3-Clause | Nov 4, 2026 | — |
| TensorFlow | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| MLflow | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| DVC | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| Apache Airflow | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| Prefect | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| FinBERT | Free | none | Not published | CC-BY-NC-SA-4.0 | Nov 4, 2026 | — |
| TA-Lib | Open Source | none | Not published | BSD-2-Clause | Nov 4, 2026 | — |
| Plotly | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| Dash | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| Streamlit | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| Coinbase for Agents | Open Source | account | Not published | MIT | Nov 4, 2026 | — |
| OpenBB | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | — |
| FinRL | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| Microsoft Qlib | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| CCXT | Open Source | none | Not published | MIT | Nov 4, 2026 | — |
| StatsForecast | Open Source | none | Not published | Apache-2.0 | Nov 4, 2026 | df = pd.read_csv("data.csv") # Must have columns:... |
| vectorbt | Free | none | Not published | Custom | Nov 4, 2026 | data = yf.download("AAPL MSFT", start="2020-01-01"... |
| Temporal Fusion Transformer for Interpretable Multi-horizon Forecasting | Free | none | Not published | Custom | Nov 4, 2026 | — |
| N-BEATS: Neural Basis Expansion Analysis for Time Series | Free | none | Not published | Custom | Nov 4, 2026 | — |
| Informer: Beyond Efficient Transformer for Long Sequence Time-Series Forecasting | Free | none | Not published | Custom | Nov 4, 2026 | — |
| Deep Hedging: Hedging Derivatives with Reinforcement Learning | Free | none | Not published | Custom | Nov 4, 2026 | — |
| FinGPT: Open-Source Financial LLMs | Free | none | Not published | Custom | Nov 4, 2026 | — |
| Empirical Asset Pricing via Machine Learning | Free | none | Not published | Custom | Nov 4, 2026 | — |
| Tail-GAN: Learning to Simulate Tail Risk Scenarios | Free | none | Not published | Custom | Nov 4, 2026 | — |
| TimesFM: A Decoder-Only Foundation Model for Time-Series Forecasting | Free | none | Not published | Custom | Nov 4, 2026 | — |
| Chronos / Chronos-2 (Amazon Science) | Free | none | Not published | Custom | Nov 4, 2026 | — |
| Earnings Summary Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| SEC Filing Alert Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Portfolio Health Check Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| News Sentiment Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Crypto Price Alert Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Factor Backtest Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Form 4 Filings Monitor | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Option Flow Alert Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Agentic Trading Guardrails Agent | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Real-Time Trading Dashboard | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Crypto Price Alert Bot | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Signal Backtesting Engine | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Financial News Aggregator | Free | none | Not published | unknown | Oct 16, 2026 | — |
| Portfolio Rebalancing Tool | Free | none | Not published | unknown | Oct 16, 2026 | — |
Disclaimer: Information presented for educational purposes only. Not legal or financial advice. Free tiers, limits, and licenses belong to the providers and may change. Always verify with the provider's own terms. See our terms for more.