ERR_NGROK_231: The query part of the requested URI includes unknown parameters: UNKNOWN - ngrok documentation

What does ERR_NGROK_231 mean?

ngrok returns ERR_NGROK_231 with this message:

The query part of the requested URI includes unknown parameters: <UNKNOWN>. The supported parameters are: <SUPPORTED>. Check your API client implementation and review the API documentation: https://ngrok.com/docs/api-reference/.

Troubleshoot ERR_NGROK_231 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

Where can I get more help with ERR_NGROK_231?

Email support@ngrok.com and include the error code.