Today’s article with authentication using GitHub API, Which helps you to Log In / Sign Up your application to collect user data. GitHub is a version control repository and Internet hosting service. It offers all of the distributed version control and source code management functionality of Git as well as adding its own features. It provides access control and several collaboration features such as bug tracking, feature requests, task management, and wikis for every project. Nowadays everyone using GitHub/Gist to maintain version control of their source code and also to share source code with their team members or public.