Changes to an API Terms of Service (TOS) are an inevitable part of API operations, and as API owners work to evolve their APIs, changes can often be at odds with the community. As some API seem to struggle with the best way to update, Google's approach appears to be more balanced. Google just updated its TOS for Google Earth and its popular Google Maps API.
RevenueCat is live with its SDK approach to in-app subscriptions across platforms. After a half-year beta, RevenueCat has launched v1.0 of its SDKs and API. The goal of the company is to handle all things in-app subscriptions so app developers don't need to rely on app store subscription APIs.