ERR_NGROK_5535: The OAuth provider "PROVIDER" cannot be used without a user-defined client ID and client secret - ngrok documentation

What does ERR_NGROK_5535 mean?

ngrok returns ERR_NGROK_5535 with this message:

The OAuth provider "<PROVIDER>" cannot be used without a user-defined client ID and client secret.

Troubleshoot ERR_NGROK_5535 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_5535?

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