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title: Test a Model Proxy
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product: Getting Started
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# Test a Model Proxy

> For the full documentation index, see: https://docs.mulesoft.com/llms.txt

The try out feature lets you validate your model proxy configuration by testing mock LLM prompts
without making external API requests. You can verify response messages, response headers, the
routing path, and which model services each request. The feature is available only for model proxies
configured with OpenAI input format.

With this feature, you can verify:

- What response message your model proxy returns.

- What response headers are returned.

- What model services the response is routed to.

- Why a request is sent to a specific route.

> [!NOTE] The Try Out feature only supports Model Proxies configured with OpenAI input format. For
> Model Proxies configured with Gemini or Anthropic native formats, use the request examples in
> [Sending Requests to Model Proxies](https://docs.mulesoft.com/general/model-proxy-request) to test your proxy.

To test your model proxy:

1.  From API Manager in Anypoint Platform, click **Model Proxies**.

2.  Click the name of the model proxy you want to test.

3.  Click **Try out**.

4.  Configure any authentication or other headers your request requires.

5.  Enter your test prompt.

6.  Click **Run test**.

7.  View the **LLM response**, **Response headers**, and **Test result** for details about your test
    request.