The Google Cloud Datastore Ruby Sample Code by Google demonstrates JSON architecture in requests and responses when interacting with the API. Examples allow developers to include credentials, service, and projectIDs.
Online seller Amazon has a whole suite of Amazon APIs that are focused not on its books and other products, but instead on letting developers use Amazon infrastructure. These Amazon Web Services (AWS), as they're called, provide cloud-based computing and storage services like Amazon EC2 and Amazon S3. Amazon's annual contest recently opened up to the entire world. The top winner will receive $50,000 in cash and $50,000 in AWS service credits.
TiKL, maker of mobile apps Talkray and Touch to Talk, has announced the Talkray API that allows developers to integrate Talkray functionality with third party apps and platforms. The Talkray API enables one on one or group chat, group calls, push notifications, file transfer, and more in a cloud based platform. Although the API can integrate with a wide variety of apps, TiKL expects the largest group of adopters to come from the gaming industry. Accordingly, the API was announced at this year's Game Developers Conference.