generated: '2026-06-20' method: searched source: live probes of YouTube/Google API + OAuth hosts description: >- Well-known discovery documents probed across the YouTube API hosts and the Google identity host used by the OAuth 2.0 flows declared in the OpenAPI. The YouTube API hosts (www.googleapis.com, youtubeanalytics.googleapis.com, youtubereporting.googleapis.com) expose no /.well-known/ surface; identity discovery lives on accounts.google.com. hosts: - host: https://accounts.google.com documents: - path: /.well-known/openid-configuration status: 200 file: youtube-accounts-openid-configuration.json - path: /.well-known/oauth-authorization-server status: 200 file: youtube-accounts-oauth-authorization-server.json - host: https://www.googleapis.com documents: - path: /.well-known/security.txt status: 404 - path: /.well-known/openid-configuration status: 404 - host: https://youtubeanalytics.googleapis.com documents: - path: /.well-known/openid-configuration status: 404 - host: https://developers.google.com documents: - path: /.well-known/security.txt status: 404 - path: /llms.txt status: 404 notes: >- A security.txt IS published at the organization apex (https://google.com/.well-known/security.txt, Policy https://g.co/vrp) and is captured in security/youtube-vulnerability-disclosure.yml.