Set device variable via MQTT or HTTP

Can device variables defined from Devices->Configuration->Variables be modified via MQTT or HTTP commands? I guess the response is no but I wanted to double-check.

Thanks in advance.

Tags and variables can be set as part of the /api/devices endpoint via REST API, or with a similar call via gRPC.

Anything that you can do via the web UI can be done via API (again, gRPC or REST).

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