generated: '2026-07-18' method: searched source: >- https://docsend.com/.well-known/oauth-authorization-server (RFC 8414) + WWW-Authenticate challenge on https://mcp.docsend.com/mcp summary: types: [oauth2] oauth2_flows: [authorizationCode, clientCredentials, refreshToken] pkce: S256 dynamic_client_registration: true schemes: - name: OAuth2 type: oauth2 sources: [well-known/docsend-oauth-authorization-server.json] flows: - flow: authorizationCode authorizationUrl: https://docsend.com/oauth/authorize tokenUrl: https://docsend.com/oauth/token refreshUrl: https://docsend.com/oauth/token scopes: mcp:read: Read access via the DocSend MCP server mcp:write: Write access via the DocSend MCP server - flow: clientCredentials tokenUrl: https://docsend.com/oauth/token scopes: mcp:read: Read access via the DocSend MCP server mcp:write: Write access via the DocSend MCP server registration_endpoint: https://docsend.com/oauth/register revocation_endpoint: https://docsend.com/oauth/revoke code_challenge_methods: [S256] token_endpoint_auth_methods: [none] notes: >- DocSend exposes an OAuth 2.0 authorization server (RFC 8414 discovery) with dynamic client registration (RFC 7591) and mandatory PKCE (S256). It currently gates the hosted MCP server (mcp:read / mcp:write scopes). No general public REST API OpenAPI was found; this profile derives from the published OAuth discovery metadata.