> For the complete documentation index, see [llms.txt](https://docs.fogwing.io/fogwing-platform/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.fogwing.io/fogwing-platform/manage-iot-hub-access-as-an-admin-user/why-iothub-access.md).

# What is IoThub

IoThub is the gateway for edge devices to send IoT data to Fogwing Platform. IoThub is an Integration Hub hosted on the Fogwing Cloud for all communication between Edge devices and Cloud Services. Any physical devices, gateways, cellular network can connect to Fogwing IoThub through internet. Fogwing IoThub supports secure and unsecure channels to connect with. However it is highly recommended to leverage secure channel for data integrity, data security and guaranteed data aggregations.  

Any device can be connected to Fogwing IoThub through following network protocols.

* MQTT (MQ Telemetry Transport or Message Queuing Telemetry Transport)
* MQTTS (Secure MQTT)
* API over HTTPS
* UDP

![Fogwing IoThub Interface Options page displaying the options.](/files/-MDc0PRND8kbUoBRRplc)

{% hint style="info" %}
Please note that UDP channel is available only to the "Startup" and "Growth" subscription plan based on request due to security reasons.  MQTT and API access is available to all subscription plan include community users.
{% endhint %}