[This API is no longer available and this page is being maintained purely for historical and research purposes.]
Postcard on the Run is an application that allows users to take photographs, personalize them with messages, and send them as print postcards to physical mailing addresses.
The Postcard on the Run API allows developers to integrate Postcard on the Run functionality into other applications. The API is currently in private beta mode, and they are accepting requests via email at email@example.com. Public documentation is not available at this time.