# Auth API

API Reference for Auth

> **Terminology Update:** We have streamlined our naming conventions to improve clarity. The term **Auth** has been replaced with **Auth**. To avoid breaking changes the APIs still make use of the old term. Both terms refer to the same underlying functionality.

## Update Administrator

[Update Administrator](/content/docs/reference/api/internal_permission/zitadel.internal_permission.v2.InternalPermissionService.UpdateAdministrator) updates the specific administrator role. Note that any role previously granted to the user and not present in the request will be revoked. Required permissions depend on the resource.

## Add My Auth Factor OTP

[Add My Auth Factor OTP](/content/docs/reference/api/auth/zitadel.auth.v1.AuthService.AddMyAuthFactorOTP) operation in the ZITADEL API. Learn about request parameters, response schemas, and integration details for this endpoint.

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