AWS Cognito is one of the useful Amazon cloud services available for developers. This service allows you to connect it with other available services on AWS such as Lambdas, AppSync, or API Gateway in a few steps. AWS Cognito stores personal user data —  full name, age, email, username, location, password, and all user form data which your web or mobile application collects. In this article, we will share what AWS Cognito is, how to use AWS Cognito and Amazon Cognito implementation examples.