Amazon Cognito is a managed service that provides federated identity, access controls, and user management with multi-factor authentication for web and mobile applications. The service is very rich - any application developer can set up the signup and login process with a few clicks in Amazon Cognito Console by federating with identity providers such as Google, Facebook, Twitter, etc. One of the b
![Server to Server Auth with Amazon Cognito](https://cdn-ak-scissors.b.st-hatena.com/image/square/5e13efa18d4a0afb63b033cdeb271e2d123320c4/height=288;version=1;width=512/https%3A%2F%2Flobster1234.github.io%2Fassets%2Fcognito.png)