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MQTT
Lightweight IoT messaging protocol.
| Category | IoT & Smart Home |
|---|---|
| Authentication | No auth |
| Pricing | Free |
| Website | https://mqtt.org/ |
| Docs | https://mqtt.org/mqtt-specification/ |
| Last checked | 2026-10-14 |
| As JSON | /api/v1/directory/mqtt.json |
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