The BlockCypher Python SDK by BlockCypher allows developers to integrate the BlockCypher APIs into their Python applications. This SDK should support Python 2.6+ and 3.x, but it hasn't been thoroughly tested with 2.6+.
Thirteen APIs have been added to the ProgrammableWeb directory in categories including Cryptocurrency, Games, and Payments. Highlights include the CarbonDoomsDay API which provides CO2 levels public data for applications and the MakePrintable API for analyzing 3D printable content.
ARK, an all-in-one blockchain solution, has announced a v2 API "that links up networks of blockchains from any part of the world onto a unified ecosystem." The API is based on ARK's SmartBridge technology, which aims to to connect blockchains together and facilitate communication between them.