[Home](./index.md) > [@firebase/auth](./auth.md) > [AuthProvider](./auth.authprovider.md) ## AuthProvider interface Interface that represents an auth provider, used to facilitate creating [AuthCredential](./auth.authcredential.md). Signature: ```typescript export interface AuthProvider ``` ## Properties | Property | Type | Description | | --- | --- | --- | | [providerId](./auth.authprovider.providerid.md) | string | Provider for which credentials can be constructed. |