> For the complete documentation index, see [llms.txt](https://docs.layerlens.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.layerlens.ai/more-in-this-section-3/test-byok-endpoint.md).

# Test a BYOK endpoint

Guide — test a BYOK custom-model endpoint.

After registration, click **Test connection** on the model page. Stratix sends a probe request. If it fails, check: endpoint URL is OpenAI-compatible, API key is correct, network reachability.

## See also

* [BYOK custom models](/5.-select-pick-the-model/byok-custom-models.md)