This client library is a Ruby Library for the Postmaster API. The Postmaster API is a platform that helps developers integrate parcel shipping into applications or websites. Postmaster supports domestic and international shipping.
Google has acquired Apigee, one of the top API management solution providers. When it comes to APIs, there are few companies that provide as many APIs as Google. It practically gave birth to the API economy. Now, it's positioning itself to host and manage them with Google Cloud Platform.