Authentication

Amplify Flutter v1 is now in Maintenance Mode until April 30th, 2025. This means that we will continue to include updates to ensure compatibility with backend services and security. No new features will be introduced in v1.

Please use the latest version (v2) of Amplify Flutter to get started.

If you are currently using v1, follow these instructions to upgrade to v2.

Set up Amplify Auth

Amplify uses Amazon Cognito as the main authentication provider. Learn how to handle user registration, authentication, account recovery, and other operations.

Accessing credentials

Use AWS Cognito Auth plugin to access auth credentials

Manage credentials

Learn how to customize credential storage.

Enable sign-in

Use AWS Cognito Auth plugin to sign in a user into AWS Cognito User Pool

Sign-in with custom flow

Use AWS Cognito Auth plugin to sign in a user into AWS Cognito User Pool using user-defined custom flow

Enable sign-in with web UI

Use AWS Cognito Auth plugin to register and authenticate a user with a prebuilt web UI

Enable guest access

Access services without needing to sign in.

Multi-step sign-in

Use AWS Cognito Auth plugin to complete a multi step authentication flow

Add social provider sign-in

Learn how to set up social sign-in providers like Facebook, Google, Amazon, or Sign in with Apple.

Enable sign-out

Sign out a user

Manage user attributes

Access and update user attributes

Set up password change and recovery

Use AWS Cognito Auth plugin to update or reset user password

Manage MFA settings

Learn how to enable multi-factor authentication with Amplify.

Add SMS flows

Using phone numbers for sign-in and verification

Remember a device

You can use the device-related features of Amazon Cognito User Pools by enabling the Devices features. Go to your Cognito User Pool, choose Devices in left navigation menu and then choose either User Opt In or Always.

Advanced workflows

Learn more about advanced workflows in the Amplify auth category. This includes subscribing to events, identity pool federation, auth-related Lambda triggers, and working with AWS service objects.

Delete user account

Use existing Amazon Cognito resources

Configure the Amplify Libraries to use existing Amazon Cognito resources by referencing them in your configuration.

Listen to auth events

Listen to various auth events

Under the hood

Learn more about the foundational auth concepts for cloud-based applications and how they work with Amplify.