A comparison of HTTP, REST, WebSockets, pub/sub, MQTT and the other messaging apis enabling Web 3.0 communication.
The Functions engineering team has built the On Request event handler feature, to enable developers to globally deploy a serverless REST API in minutes, not months.
How to use PubNub’s RESTful API for any IoT device without using an SDK. This tutorial uses Python to implement the PubNub REST API on an Arduino Uno.