generated: '2026-07-18' method: searched source: https://www.definite.app/docs/definite-api docs: - https://www.definite.app/docs/definite-api - https://www.definite.app/docs/mcp/mcp - https://www.definite.app/security summary: types: [http, oauth2] http_schemes: [bearer] oauth2_flows: [authorizationCode] sso: [SAML, OIDC, Google Workspace] schemes: - name: apiKeyBearer type: http scheme: bearer location: header header: Authorization format: '{user_id}-{api_key_suffix}' note: >- Primary REST API auth. Send "Authorization: Bearer ". API keys are created/copied from the bottom-left user menu in the Definite app. Used across the v1 REST API, v3 MCP HTTP endpoint, and v4 webhook endpoints. - name: oauth2Mcp type: oauth2 flows: - flow: authorizationCode authorizationUrl: https://api.definite.app/oauth/authorize tokenUrl: https://api.definite.app/oauth/token pkce: S256 scopes: mcp: Access the Definite MCP server tools. source: /.well-known/oauth-authorization-server note: >- OAuth 2.1 authorization-code + PKCE flow advertised for MCP clients; refresh_token grant supported; token_endpoint_auth_methods_supported none (public client). - name: sso type: openIdConnect note: >- Enterprise SSO via SAML / OIDC (Google Workspace) for app + on-prem sign-in; documented on the security page and on-prem SSO docs.