# Captcha Block
The captcha block solves the captcha on the page of the required site. Before using this block, use the New Tab block or the Active Tab block.
The screenshot below shows the standard algorithm for using the block.
After the block is completed, the result is recorded in a text field that is embedded in the site page.\
The block has no settings and works in test mode.
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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.goless.com/blocks/premium/captcha.md?ask=
```
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.