This SDK is an Android application to generate Chord Progressions, that are based on the Hooktheorys API. The Hooktheory API exposes chord probability data used in TheoryTab Searches. All requests are made over HTTPS, with request and response support for JSON and XML formats. To authenticate to the Hooktheory API, you will need to provide a bearer Token, that follows the OAuth 2 protocol. Hooktheory provides developers with support for the theory behind songs using music theory books, songwriting software, and TheoryTabs.
The Take.io API from Brazil has a REST protocol with data formats in XML and JSON. According to Take.net, "The take.io RESTful API currently defines five services: SSO, Core, Billing, Messages and Reports." The company states further that, "Take.io is Take.net DNA translated into a set of APIs designed to allow companies to use SMS, MMS, voice, pricing, location, CRM, etc., all of which are integrated with their existing systems."
Social learning platform A Cloud Guru helps cloud professionals learn and prepare for AWS certification exams. The platform grew to 40,000 users within 6 months, and its founders attribute that growth to their serverless approach that has influenced the mindset of the entire company.