The Google APIs Client Library for Objective-C is a flexible, efficient library provided by Google for accessing its JSON-based APIs. This Library is recommended for applications that will be used on iOS or Mac OS X systems.
Mapbox has completely revamped the pricing model for its API and SDK portfolio. The company has increased its free tier, and transitioned to a completely pay as you go model. Volume discounts apply, and automatically activate as a user's consumption grows. No commitments are required.
The New York Times made news earlier this year through its release of several APIs (our Campaign Finance API Profile and our Movie Reviews API Profile). There's been promise of more APIs to come, and the latest prototype created by The New York Times gives a preview of what is to come.