> For the complete documentation index, see [llms.txt](https://docs.thesports.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.thesports.com/integration/websocket-via-mqtt.md).

# WebSocket via MQTT

## WebSocket via MQTT

Connect to `mq.thesports.com` on port `443`. Use TLS and MQTT WebSocket transport.

Authenticate with the MQTT username and key provided for your account. Your client IP must be whitelisted.

### Subscription flow

1. Establish a TLS WebSocket connection.
2. Authenticate with your username and key.
3. Subscribe to topics provided for your licensed data.
4. Process received updates and save them locally.

Do not construct topic strings. Use the topics provided for your integration.

### Reconnect behavior

Reconnect after a connection loss. After a successful connection, resubscribe to every required topic. Reconcile data through HTTP before relying on incremental messages.

### Next steps

Implement the state strategy in [Updates and synchronization](/integration/updates-and-synchronization.md). Use [Sample code](/reference/sample-code.md) as a minimal client pattern.


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