generated: '2026-08-13' method: derived source: openapi/_original/meltwater-api-openapi.yaml, openapi/meltwater-api-v4-openapi.yml, live well-known probes standards: - id: openapi-3.0 conforms: true evidence: both published specs declare openapi 3.0.3; Meltwater links the v3 document from its API reference page - id: oauth2 conforms: true evidence: RFC 8414 authorization-server metadata live at https://app.meltwater.com/.well-known/oauth-authorization-server (authorization_code + refresh_token, PKCE S256) scope: Meltwater MCP only - the REST API is API-token authenticated - id: oidc conforms: partial evidence: the authorization server advertises openid/profile/email scopes, but /.well-known/openid-configuration returns 403 on app.meltwater.com and 404 elsewhere, so there is no OIDC discovery document - id: rfc8414-authorization-server-metadata conforms: true evidence: https://app.meltwater.com/.well-known/oauth-authorization-server returns 200 - id: rfc9728-protected-resource-metadata conforms: true evidence: https://api.meltwater.com/.well-known/oauth-protected-resource returns 200 and the MCP 401 challenge points at it via WWW-Authenticate - id: rfc9116-security-txt conforms: true evidence: https://www.meltwater.com/.well-known/security.txt returns 200 with Contact, Expires, Preferred-Languages, Canonical and Hiring fields - id: mcp conforms: true evidence: remote MCP server at https://api.meltwater.com/v2/mcp answering tools/list with a 401 OAuth challenge; second orchestrated server at https://api.meltwater.com/mcp - id: rfc9457-problem-details conforms: false evidence: no application/problem+json media type anywhere in either spec; errors use vendor JSON envelopes - id: rfc8594-sunset-header conforms: false evidence: no Sunset or Deprecation header documented or declared - id: asyncapi conforms: false evidence: webhooks ("hooks"/data streams) are documented in prose only; no AsyncAPI document is published - id: json-api conforms: false - id: odata conforms: false - id: scim conforms: false - id: fhir conforms: false - id: fapi conforms: false - id: a2a conforms: false evidence: /.well-known/agent-card.json and /.well-known/agent.json return 404 or 403 on every Meltwater host probed