> For the complete documentation index, see [llms.txt](https://docs.system-analyst-base.ru/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.system-analyst-base.ru/hard-skills/integracii/vidy-integracii/sinkhronnoe-vzaimodeistvie/rest/restful-principy/otsutstvie-sostoyaniya-avtorizaciya/oauth-openid-connect.md).

# OAuth / OpenID Connect