# Rules

- [MQTT Rules Engine](https://docs.thingsup.io/rules/mqtt-rule.md): Best MQTT Rules engine built-in with Thingsup IoT Platform with MQTT Broker. Validate and Transform your IoT data on the fly with serverless service.
- [HTTP API](https://docs.thingsup.io/rules/http-rule.md): Best HTTP Rules engine built-in with Thingsup IoT Platform to create HTTP APIs. Validate and Transform your IoT data on the fly with serverless service to build your IoT solutions.


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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.