# Publishing Data

- [MQTT Publish Format V1](https://apidocs.alphax.cloud/mqtt/publishing-data/mqtt-publish-format-v1.md): MQTT Publish format V1 is the compressed format, useful for data constrained devices. Data remains in byte array and decoded in AlphaX cloud.
- [MQTT Publish Format V2](https://apidocs.alphax.cloud/mqtt/publishing-data/mqtt-publish-format-v2.md): MQTT Publish format V2 is a user friendly, human readable JSON package for sending data to a device on AlphaX Cloud.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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

```
GET https://apidocs.alphax.cloud/mqtt/publishing-data.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

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.