MQTT, MQTT-SN, CoAP, and HTTP connectivity for the SiliconWit.io connected operations platform. TLS-encrypted, authenticated, and ready for production.
Supported Protocols
Standard MQTT with TLS encryption on port 8883. For WiFi and Ethernet devices: ESP32, Raspberry Pi, STM32, and more.
WebSocket Secure (WSS) on port 8084. For browser dashboards and web apps that need live MQTT data.
Lightweight MQTT for sensor networks on port 1884. For constrained devices on 2G/GPRS and NB-IoT.
Constrained Application Protocol on port 5683. For ultra-low-power devices and NB-IoT networks.
Simple POST requests to ingest data over HTTPS. Works from any language or platform without an MQTT library.
Per-device access tokens, TLS encryption, two-factor authentication, and granular permission controls.
Choose Your Protocol
| Feature | MQTT (TLS) | WebSocket | MQTT-SN | CoAP | HTTP |
|---|---|---|---|---|---|
| Transport | TCP + TLS | TCP + TLS | UDP | UDP | TCP + TLS |
| Port | 8883 | 8084 | 1884 | 5683 | 443 |
| Encryption | TLS | WSS | None | None | HTTPS |
| Model | Pub/Sub | Pub/Sub | Pub/Sub | Request/Response | Request/Response |
| Best for | WiFi, Ethernet | Browsers, Web | 2G/GPRS, NB-IoT | NB-IoT, LPWAN | Any platform |
| Persistent connection | Yes | Yes | Optional | No | No |
Connection Reference
| Broker Host | mqtt.siliconwit.io |
| MQTT TLS Port | 8883 |
| WebSocket (WSS) Port | 8084 |
| MQTT-SN (UDP) Port | 1884 |
| CoAP (UDP) Port | 5683 |
| Authentication | Device ID (username) + Access Token (password) |
| Publish Topic | d/{device_id}/t |
| Subscribe Topic | d/{device_id}/c |
| TLS Certificate | Auto-renewed, trusted by all major clients |
| Payload Format | JSON, max 10 KB |
Quick Start
Sign up for free at siliconwit.io. No credit card required.
Go to your Dashboard, click "Add Device", and name your sensor or gateway.
Each device gets a unique Device ID (username) and Access Token (password).
Use any MQTT library. Publish JSON to d/{device_id}/t. Data appears in your dashboard instantly.
Configure threshold alerts with email, SMS, Discord, Slack, Telegram, or webhook notifications.
Start with the free plan. 3 devices, 7-day data retention, all protocols included.