generated: '2026-10-07' method: searched source: - https://api.contactout.com#authentication - https://contactout.com/.well-known/oauth-authorization-server docs: https://api.contactout.com#authentication summary: 'REST API: an API key sent in a custom "token" request header on every request (the curl example also sends "authorization: basic"). Keys are issued by ContactOut after booking a meeting. The hosted MCP server uses OAuth 2.0 authorization code with PKCE, completed with the same API token.' schemes: - name: apiToken type: apiKey in: header parameter: token description: 'ContactOut uses API keys to allow access to the API. You can request an API key by booking a meeting. ContactOut expects the API key to be included in all API requests to the server in a header that looks like the following: token : ' example_headers: - 'authorization: basic' - 'token: ' surfaces: [REST API] obtain: https://contactout.com/meeting?utm_source=api_docs - name: mcpOAuth type: oauth2 flows: authorizationCode: authorizationUrl: https://contactout.com/api-users/oauth/authorize tokenUrl: https://contactout.com/api-users/oauth/token refreshUrl: https://contactout.com/api-users/oauth/token scopes: mcp:use: Use the ContactOut MCP server pkce: S256 dynamic_client_registration: https://contactout.com/api-users/oauth/register token_endpoint_auth_methods: [client_secret_basic, client_secret_post] metadata: https://contactout.com/.well-known/oauth-authorization-server surfaces: [MCP server https://contactout.com/mcp] notes: - 'The ai-info page (https://contactout.com/ai-info) summarises authentication as "Authorization: Bearer"; the API reference, which is the developer source, documents the token header shown above.'