> For the complete documentation index, see [llms.txt](https://readme.directual.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://readme.directual.com/api-integrations/authentication-api.md).

# Authentication API

- [Login/password](https://readme.directual.com/api-integrations/authentication-api/login-password.md)
- [OpenID connect](https://readme.directual.com/api-integrations/authentication-api/openid-connect.md)
- [Facebook oAuth](https://readme.directual.com/api-integrations/authentication-api/facebook-oauth.md)
- [Google oAuth](https://readme.directual.com/api-integrations/authentication-api/google-oauth.md)