ERR_NGROK_18006: This account does not have any domains or addresses reserved that match the provided URL - ngrok documentation

What does ERR_NGROK_18006 mean?

ngrok returns ERR_NGROK_18006 with this message:

This account does not have any domains or addresses reserved that match the provided URL.

Troubleshoot ERR_NGROK_18006 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_18006?

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