In this tutorial explains about How to Build Authentication App with OAuth2.0 and Node.Js OAuth2 is a method for authentication for accessing API. OAuth2.0 allows authorization without the external application getting the user’s email address or password. Instead, the external application gets a token that authorizes access to the user’s account.

In this tutorial, we are going to discuss about How to build Secure Authentication App using JWT in Node.JS and Express JS. JWT means JSON Web Token is a object that is safe approach to transfer data between two parties.