Delivery helps you keep track of your packages on your Android Wear watch. Delivery currently supports: UPS, FedEx, USPS, and DHL. If you know any free tracking API, please let me know. Thanks!
CREDIT: Thank Boxoh for providing the new package tracking API: http://www.boxoh.com/api/docs/
by W####:
I tried this because it has an app for the phone and a smart watch. I can't get any delivery information on either.