# EXACT Matcher

Unless you need to match the exact payload as a string, down to the spaces and line breaks – this should not be used.

When you choose EXACT matching, Hoverfly will check that the incoming Request Body matches exactly the string that you have set for the Matcher value. If you get one space or line break wrong it won't match.

This does not work well with JSON.


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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.cloud.hoverfly.io/create-simulations/configuring-request-matchers/json-request-matchers-on-the-body/exact-matcher.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.