generated: '2026-06-20'
method: searched
source: >-
  Probed /.well-known/ discovery paths on the Clean Rooms regional endpoint and
  the aws.amazon.com / docs.aws.amazon.com hosts.
hosts:
  - host: https://cleanrooms.us-east-1.amazonaws.com
    note: >-
      Clean Rooms regional API endpoint; all /.well-known/ probes return 403
      (AWS SigV4-signed service endpoint, no public discovery surface).
    documents:
      - path: /.well-known/security.txt
        status: 403
      - path: /.well-known/openid-configuration
        status: 403
      - path: /.well-known/oauth-authorization-server
        status: 403
      - path: /.well-known/api-catalog
        status: 403
      - path: /.well-known/ai-plugin.json
        status: 403
  - host: https://aws.amazon.com
    documents:
      - path: /.well-known/security.txt          # RFC 9116
        status: 200
        file: amazon-clean-rooms-security.txt
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404
  - host: https://docs.aws.amazon.com
    documents:
      - path: /.well-known/security.txt
        status: 404
      - path: /.well-known/openid-configuration
        status: 404
      - path: /.well-known/oauth-authorization-server
        status: 404
      - path: /.well-known/api-catalog
        status: 404
      - path: /.well-known/ai-plugin.json
        status: 404