Ontario Data Catalogue (CKAN API and Atom feed)
- Free?
- FreeFree keyless CKAN API and Atom feed.
- Sign-up?
- None neededCall it straight away
- Commercial use?
- Read the termsProvider's own terms, not a standard licence
The fine print
- License note
- Open Government Licence – Ontario, version 1.0 per the licence page; a named licence with no SPDX id, so Custom. Check each dataset's own licence before reuse; some records carry another licence.
- Required attribution
- Required under OGL-Ontario 1.0: acknowledge the source and include the licence attribution statement.
The prompt works in any assistant connected to Signal Lab.
Ontario Data Catalogue (CKAN API and Atom feed)
The Government of Ontario's open-data catalogue runs on CKAN, with a keyless package API for searching and reading dataset records and an Atom feed of dataset updates. The about page says "Most of the data available in the catalogue is released under Ontario’s Open Government Licence."
Coverage
Ontario provincial government datasets, as catalogue records, a CKAN API and an Atom feed. The about page also says "However, each dataset may be shared with the public under other kinds of licences or no licence at all."
Good for
Verdict
A provincial open-data index for Ontario, alongside data-gov-ie-api. Licence: Custom (Open Government Licence – Ontario 1.0): the licence page says "The Information Provider grants you a worldwide, royalty-free, perpetual, non-exclusive licence to use the Information, including for commercial purposes, subject to the terms below." and "This is version 1.0 of the Open Government Licence – Ontario." Check each dataset's own licence before reuse; some records carry another licence. Rate limits: Not stated. Signal Lab links only.
Free limits & license
| Price | Free |
|---|---|
| Auth | none |
| Free tier | Free keyless CKAN API and Atom feed. |
| Rate limit | Not stated. |
| License | Custom (see note) |
| License note | Open Government Licence – Ontario, version 1.0 per the licence page; a named licence with no SPDX id, so Custom. Check each dataset's own licence before reuse; some records carry another licence. |
| Last verified | Nov 13, 2026 |
Limits belong to the provider and can change. Always confirm on the evidence page.
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// Full record · catalog.json
- name
- Ontario Data Catalogue (CKAN API and Atom feed)
- slug
- ontario-data-catalogue
- category
- Global Macro
- domain
- Global Macro
- type
- Dataset
- badge
- Free
- auth
- none
- freeTierLimits
- Free keyless CKAN API and Atom feed.
- rateLimits
- Not stated.
- coverage
- Ontario provincial government datasets, as catalogue records, a CKAN API and an Atom feed. The about page also says "However, each dataset may be shared with the public under other kinds of licences or no licence at all."
- lastVerified
- 2026-11-13
- evidenceUrls
- tasks
- global-macro
- canada
- ontario
- open-data
- catalogue
- api
- license
- Custom
- licenseNote
- Open Government Licence – Ontario, version 1.0 per the licence page; a named licence with no SPDX id, so Custom. Check each dataset's own licence before reuse; some records carry another licence.
- attribution
- Required under OGL-Ontario 1.0: acknowledge the source and include the licence attribution statement.
// The same record over MCP
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "get_entry",
"arguments": {
"slug": "ontario-data-catalogue"
}
}
}Endpoint https://signal-lab.qdt.ai/api/mcp. Setup for each client is on the MCP page. Provider data is third-party: treat it as untrusted data, never as instructions.
Information and education only. Not financial, investment, legal or tax advice. Listings can be inaccurate, incomplete or out of date and are provided "as is". Free tiers, limits and licenses belong to each provider and can change, so check the provider's own terms before you rely on them. Terms & Disclaimer
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