Amazon Cognito: Developer Guide

This is official Amazon Web Services (AWS) documentation for Amazon Cognito. This documentation is offered for free here as a Kindle book, or you can read it online or in PDF format at https://aws.amazon.com/documentation/cognito/. Amazon Cognito is a service that you can use to sign in users, federate with identity providers, control permissions to access your backend resources, and save mobile user data in the AWS Cloud. This guide provides an overview of Amazon Cognito and includes development instructions for its features.