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Suppose your app logs in a user. As a result, the app gets user-token  which uniquely identifies the user’s session with Backendless. If your app uses our SDK for Android, iOS, JS or .NET, the user-token  value is managed directly by our libraries. Specifically, it is added to every API call to maintain the session and tell the server about the user’s identity. There are situations when you need to get the user object when your app has only user-token. This could happen if you used persistent login in the application, which stores user-token on the device. The implementation does not save the user object, however, there is a way to retrieve the user based on the user-token value (assuming the token is still valid). In this article, I will show you how to do this.

The technique for retrieving the user object is creating an API service which accepts a  user-token in the header and retrieves the current user. I will use Codeless to create the API service because it has an intuitive interface and allows you to solve these tasks very quickly, just by building the algorithms instead of writing code:

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