WSO2 Identity Server Dropbox Authenticator

Each authenticator provides you a way to authenticate the user using specific external authentication system. For example if you want to authenticate a user who logs into your application using Dropbox authenticator, you need to configure the Dropbox authenticator for your identity provider .The Dropbox authenticator allows you to authenticate user using Dropbox through WSO2 IS. 

Creating WSO2 IS Custom Federated Authenticator

WSO2 IS custom authenticators provides you a way to authenticate the user using specific external authentication system. through the authenticators we can secure our systems. Before start development Research the APIs provided by the service for which you want to create an authenticator.