How can I reuse an application id on Google App Engine?

Question

I deleted one of my apps on GAE, let\'s call it my-application-id.appspot.com, with the intent of reusing the id. Before I gave the ok to delete, I got this message:

Answer 1

Unfortunately, no, you can't reuse it. Once an app ID is reserved, regardless of whether the app is deleted, cannot be taken for a new application.

If you'd like a memorable URL for an application, I'd suggest using a custom domain.