# Retail

Changeblock's marketplace is a browser-based marketplace for the purchase of environmental attributes such as tokenised carbon credits, plastic credits, offsets and more. It offers easy graphical access to high quality products, and allows users to explore and offset directly through the site.

<figure><img src="/files/si8utRHpthYdDOBPGrEm" alt=""><figcaption><p>Changeblock's Environmental Attribute Marketplace</p></figcaption></figure>


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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.changeblock.com/changeblock-documentation/solutions/environmental-attributes/exchange/retail.md?ask=<question>
```

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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.