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Editorial Team
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Asked: 2026-06-08T18:16:14+00:00

I am working on a project that involves mobile and web clients with Google’s

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I am working on a project that involves mobile and web clients with Google’s AppEngine PAAS. I would like to use RESTFul webservices with my AppEngine app.

I have looked over Stackoverflow for references to RESTFul service frameworks that can be used with AppEngine for both web (GWT) and mobile (Android) clients. Although Restlet seems to provide editions for AppEngine, GWT and Android, so far I’ve got it down to RestEasy mostly due to this question.

There have been questions previously that discuss RESTFul frameworks but I don’t think the comparisons apply well to this, now quite common, case. It would be helpful to hear experienced developers’ views on the frameworks available for this set of platforms and merits versus demerits of each.

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  1. Editorial Team

    You might wish to consider using Google Cloud Endpoints, which was announced as a trusted tester feature for App Engine at Google I/O, and is now available to everyone. With Endpoints, you annotate simple Java (or Python) classes and methods to describe your API. For example, this is a simple class to get and retrieve a list of high scores from a Tic Tac Toe game:

    @Api(name = "tictactoe")
public class ScoreEndpoint {
  @ApiMethod(name = "scores.get")
  public Score get(@Named("id") String id) {
    PersistenceManager pm = getPersistenceManager();
    Score score = pm.getObjectById(Score.class, id);
    pm.close();
    return score;
  }

  @ApiMethod(name = "scores.list")
  public List<Score> list() {
    PersistenceManager pm = getPersistenceManager();
    Query query = pm.newQuery(Score.class);
    return (List<Score>) pm.newQuery(query).execute();
  }
}

    Features

    • Support for Java and Python runtimes
    • Built on Google’s API infrastructure – it works with many of the same tools and libraries used for Google’s own APIs, such as the APIs Explorer and APIs Console
    • Automatically-generated, statically-typed client libraries for Android and iOS – these libraries are using the same Google-authored Java and Objective-C libraries you would use to access other Google-provided APIs such as the Calendar API
    • Dynamically-typed JS client library – again, the same library you use to access other Google-provided APIs in JS
    • Built in support for OAuth 2
    • Integration with the Google Plugin for Eclipse – this allows you to automatically create an API based on a model, or an App Engine application to back an existing Android app
    • Support for local development – you can build and test your API using the App Engine development environment, just as with other App Engine features

    Learn More

    Check out the documentation for more details on using Endpoints.

    You can also watch several talks from Google I/O:

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