Developers can use HTTP(S) API to access and modify resources. It is currently being used by the Maker website and mobile applications, and developers are welcome to use it for their own projects.
AllThingsTalk API Postman collection enables developers to easily integrate IoT applications with the platform.
Messaging (or Pub/Sub) clients can send sensor data to the cloud or listen for incoming command messages using MQTT protocol.
This guide introduces you to a possibility to feed AllThingsTalk Cloud with sensor data over UDP protocol.