# AWS IoT Core Documentation

AWS IoT Core provides secure, bi-directional communication for Internet-connected devices (such as sensors, actuators, embedded devices, wireless devices, and smart appliances) to connect to the AWS Cloud over MQTT, HTTPS, and LoRaWAN.

- [Developer Guide](/iot/latest/developerguide/): Walks through how to set up AWS IoT and integrate it with other services.
- [Device Shadow REST API](/iot/latest/developerguide/device-shadow-rest-api.html): Describes all of the REST API operations for working with device shadows (also referred to as thing shadows).
- [AWS IoT sections of the AWS CLI Reference](/cli/latest/reference/iot/): Describes the AWS CLI commands that you can use to administer and manipulate AWS IoT.
- [AWS IoT Core API Reference](/iot/latest/apireference/): Describes in detail all the API operations for AWS IoT Core, including the data plane, jobs, and secure tunneling. Also provides sample requests, responses, and errors.

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