ERR_NGROK_27238: An ngrok-managed key can't serve this request, because ngrok can't bill FEATURE for "MODELID" on provider "PROVIDERID"

What does ERR_NGROK_27238 mean?

ngrok returns ERR_NGROK_27238 with this message:

An ngrok-managed key can't serve this request, because ngrok can't bill <FEATURE> for "<MODELID>" on provider "<PROVIDERID>". Add your own provider key to use it.

Troubleshoot ERR_NGROK_27238 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_27238?

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