API for Samsung SmartThings Smart Home Hub products (ZigBee, Z-Wave, IP). The SmartThings platform has the largest coverage of competitive IoT devices on the market, including Samsung devices and appliances. It's easy to integrate existing products with our ecosystem, using developer features such as SmartThings Schema and open APIs.

API to make realtime applications with variety of hardware devices including Arduino, RPi, Kinoma, Atmel, Samsung Smart TV WebOS, and more. PubNub Platform provides the out-of-the-box infrastructure, network, SDKs, and tools you need to build scalable realtime applications, leaving you free to focus on solving business problems. PubNub guarantees 99.999% reliability, and offers sub-100ms latency anywhere in the world.

Open Source Internet of Things Cloud Platform. Microservices Architecture for Developers. Lelylan API let you monitor and control in realtime any physical devices. It's based on three key concepts: devices, physicals and types.

API to manage Particle devices (including their own Arduino-compatible ones and the Raspberry Pi) and control them. Free for up to 25 devices and 250k events/month.