The newrelic-api is a Python Library and interface for the New Relic API. It is a package for interacting with New Relic's API in a concise way. Authored by Micah Hausler, documentation can be found on GitHub and the New Relic API Explorer for further endpoint information.
Amazon has launched an App Submission API. Similar to Google's submission API for Google Play, Amazon's API allows app owners to programmatically update apps on its Appstore. With the goal of simplifying app updates across platforms, the Amazon API is similar to the API used with Google Play.