ERR_NGROK_18015: The provided cloud endpoint is missing the required field FIELD

What does ERR_NGROK_18015 mean?

ngrok returns ERR_NGROK_18015 with this message:

The provided cloud endpoint is missing the required field `<FIELD>.`

Troubleshoot ERR_NGROK_18015 with your AI agent. Connect it to the ngrok MCP server, then ask what caused the error and how to fix it.

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