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Azure IoT Hub concepts overview

Azure IoT Hub is a fully managed service that helps enable reliable and secure bi-directional communications between millions of devices and a solution back end.

Note

Some of the features mentioned in this article, like cloud-to-device messaging, device twins, and device management, are only available in the standard tier of IoT Hub. For more information about the basic and standard/free IoT Hub tiers, see Choose the right IoT Hub tier for your solution.

Azure IoT Hub provides many features, including:

  • Secure communications by using per-device security credentials and access control.

  • Multiple device-to-cloud and cloud-to-device hyper-scale communication options.

  • Queryable storage of per-device state information and meta-data.

  • Easy device connectivity with device libraries for the most popular languages and platforms.

The following articles can help you get started exploring IoT Hub features in more depth: