> ## Documentation Index
> Fetch the complete documentation index at: https://ngrok.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Error 415

## ERR\_NGROK\_415

Your account is limited to `MAX` reserved domains. If you need more domains, upgrade to the Pay-as-you-go plan at: [https://dashboard.ngrok.com/billing/choose-a-plan?plan=paygo](https://dashboard.ngrok.com/billing/choose-a-plan?plan=paygo).

## Further help

If you're having trouble resolving this error, please reach out to [support@ngrok.com](mailto:support@ngrok.com?subject=Help%20with%20ERR_NGROK_415)