How to get Corporations Canada data programmatically
Corporations Canada covers federal corporations only; each province runs its own register with its own access rules.
One request
curl "https://lemreveal.com/api/public/v1/search?q=ACME&country=CA"
No key, no account. Swap ACME for a company name or a Corporation number.
What Corporations Canada publishes
- Registered legal name and Corporation number
- Registration status (active, struck off, dissolved)
- Registered address and legal form
Official source: Corporations Canada (Corporations Canada federal register). We link the exact record URL on every response so you can verify anything yourself.
Changes you can watch for
- Legal name change
- Registration status change (active, struck off, dissolved)
- Registered address change
- Legal form change
- Annual return filing status change
Polling a government register yourself is how you get rate-limited. Corporations Canada monitoring does the re-check and emails you the field that moved — free for three companies.
Questions
Does Corporations Canada have a public API?
Open Government publishes the federal corporations dataset as a bulk download, not a lookup API.
How do I get Canada company data without an API key?
Send a GET request to /api/public/v1/search with q set to the company name or Corporation number and country set to CA. There is no authentication and no signup; the limit is 120 requests per hour per IP.
What fields come back for Canada?
Registered legal name, Corporation number, registration status, legal form and registered address where Corporations Canada publishes them. Every field carries the source URL and the time it was read.
Can I detect changes to a Canada company record?
Yes. Corporations Canada monitoring re-checks the record and emails you the exact field that changed: legal name change, registration status change (active, struck off, dissolved), registered address change, legal form change. Free for up to three companies.