# API Authentication with OAuth

The Fides API requires authentication via OAuth using a valid Access Token. In this section we'll explore how to generate a token, create additional OAuth clients and authenticate with appropriate scopes to the Fides API.

For details, see:

- [Generating OAuth Access Tokens](/content/docs/platform/authentication/oauth/generating-tokens/index.html)
- [Token Expiration](/content/docs/platform/authentication/oauth/token-expiration/index.html)
- [Calling the API](/content/docs/platform/authentication/oauth/calling-api/index.html)
- [Creating OAuth Clients](/content/docs/platform/authentication/oauth/creating-clients/index.html)

[Configuring a Custom OAuth Provider](/content/docs/platform/authentication/sso/oauth-custom "Configuring a Custom OAuth Provider"/index.html) [Generating Tokens](/content/docs/platform/authentication/oauth/generating-tokens "Generating Tokens"/index.html)