# Rest API v0

### 🔄 **REST API v2 – Recommended Upgrade**

**We've just released REST API v2 with significant improvements** to provide a better integration experience for developers:

* **New resource support: Bandwidth**
* **Redesigned structure** for easier integration and improved developer experience
* **More comprehensive features** to better support your use cases
* **Flexible payment options**: support for both **signed transactions** and **internal account** payments

👉 If you're currently using v0, consider upgrading to v2 to take full advantage of these enhancements.

### [Buy Resources version 2](/developer/buy-resources-v2.md)

### [Extend Orders version 2](/developer/extend-orders-v2.md)


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# 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://docs.tronsave.io/developer/rest-api-v0.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.