Authenticate to the Procore REST API with OAuth 2.0 and set the correct company/project context for API calls
domain: developers.procore.com · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Register an app in the Procore Developer Portal to get separate Client ID/Secret pairs for sandbox and production
For a user-delegated app, redirect to GET https://login.procore.com/oauth/authorize with response_type=code, client_id, redirect_uri, state, then exchange the code at POST /oauth/token
For a backend app with no specific user, use the Client Credentials grant via a Developer Managed Service Account (DMSA): POST client_id/client_secret with grant_type=client_credentials to /oauth/token
Call the API with an Authorization header carrying the access token; refresh before the 5400-second (1.5h) expiry using grant_type=refresh_token, saving the new refresh token every time
When using DMSA across Multiple Procore Regions, add a Procore-Company-Id header on calls to /rest/v1.0/me and /rest/v1.0/companies to scope to the right region/company
Known gotchas
Refresh tokens rotate on every use - the old one is invalidated immediately, so persist the new pair after every refresh
Sandbox and production have separate OAuth credentials and base URLs; tokens are not interchangeable between them
The installed-app (no-browser) variant requires setting redirect_uri to urn:ietf:wg:oauth:2.0:oob at app registration, not at request time
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