> For the complete documentation index, see [llms.txt](https://docs.0xpass.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.0xpass.io/authentication.md).

# Authentication

- [Overview](https://docs.0xpass.io/authentication/overview.md)
- [Configuring your scope](https://docs.0xpass.io/authentication/configuring-your-scope.md)
- [Passkeys](https://docs.0xpass.io/authentication/passkeys.md)
- [Registration](https://docs.0xpass.io/authentication/passkeys/registration.md)
- [Register using SDK](https://docs.0xpass.io/authentication/passkeys/registration/register-using-sdk.md)
- [Register using API](https://docs.0xpass.io/authentication/passkeys/registration/register-using-api.md)
- [Initiate Registration](https://docs.0xpass.io/authentication/passkeys/registration/register-using-api/initiate-registration.md)
- [Complete Registration](https://docs.0xpass.io/authentication/passkeys/registration/register-using-api/complete-registration.md)
- [Authentication](https://docs.0xpass.io/authentication/passkeys/authentication.md)
- [Authenticating with SDK](https://docs.0xpass.io/authentication/passkeys/authentication/authenticating-with-sdk.md)
- [Authenticating with API](https://docs.0xpass.io/authentication/passkeys/authentication/authenticating-with-api.md)
- [Initiate Authentication](https://docs.0xpass.io/authentication/passkeys/authentication/authenticating-with-api/initiate-authentication.md)
- [Complete Authentication](https://docs.0xpass.io/authentication/passkeys/authentication/authenticating-with-api/complete-authentication.md)
- [Developer Owned Auth](https://docs.0xpass.io/authentication/developer-owned-auth.md)
- [Registration](https://docs.0xpass.io/authentication/developer-owned-auth/registration.md)
- [Register using SDK](https://docs.0xpass.io/authentication/developer-owned-auth/registration/register-using-sdk.md)
- [Register using API](https://docs.0xpass.io/authentication/developer-owned-auth/registration/register-using-api.md)
- [Delegate Registration](https://docs.0xpass.io/authentication/developer-owned-auth/registration/register-using-api/delegate-registration.md)