[This API is no longer available. Its functions have been split among the following APIs: Google App Engine Admin, Google App Engine Task Queue, Google Cloud App Engine Tasks, Google App Engine Admin RPC. This profile is being maintained purely for historical and research purposes.]
Use the Google App Engine platform to run web apps on Google's infrastructure, the same scalable systems that run Google applications. Use the platform to run your apps reliably, even if you have heavy load and data needs. The environment has dynamic web serving, persistent storage with queries, sorting and transactions, automatic scaling and load balancing, APIs for authenticating users and sending email using Google Accounts, and a local testing environment.