# Advanced Topics

- [Authentication](/d/advanced-topics/authentication.md)
- [API Authentication](/d/advanced-topics/authentication/authentication-authorization.md)
- [Request Headers](/d/advanced-topics/authentication/request-headers.md)
- [Credentials](/d/advanced-topics/authentication/credentials.md)
- [Generate a Key Pair](/d/advanced-topics/authentication/credentials/generate-a-key-pair.md)
- [User Credentials](/d/advanced-topics/authentication/credentials/user-credentials.md)
- [Access Token Credentials](/d/advanced-topics/authentication/credentials/access-token-credentials.md)
- [Why Dfns Uses Passkeys](/d/advanced-topics/authentication/credentials/why-dfns-uses-passkeys.md): Why Dfns Champions Passkeys for Unparalleled Security
- [Storing WebAuthn Credentials in Password Managers](/d/advanced-topics/authentication/credentials/storing-webauthn-credentials-in-password-managers.md)
- [Request Signing](/d/advanced-topics/authentication/request-signing.md)
- [API objects](/d/advanced-topics/authentication/api-objects.md)
- [Delegated Signing](/d/advanced-topics/delegated-signing.md)
- [API Idempotency](/d/advanced-topics/api-idempotency.md)
- [FAQ](/d/advanced-topics/faq.md)