[Home](./index.md) > [@firebase/auth-types](./auth-types.md) > [PhoneAuthCredential](./auth-types.phoneauthcredential.md) ## PhoneAuthCredential class Interface that represents the credentials returned by a [PhoneAuthProvider](./auth.phoneauthprovider.md). Signature: ```typescript export abstract class PhoneAuthCredential extends AuthCredential ``` Extends: [AuthCredential](./auth-types.authcredential.md) ## Methods | Method | Modifiers | Description | | --- | --- | --- | | [fromJSON(json)](./auth-types.phoneauthcredential.fromjson.md) | static | Static method to deserialize a JSON representation of an object into an [AuthCredential](./auth-types.authcredential.md). | | [toJSON()](./auth-types.phoneauthcredential.tojson.md) | | Returns a JSON-serializable representation of this object. |