> ## 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 ERR_NGROK_EVENTS_DESTINATION_DATADOG_AUTH_SCHEME_UNSUPPORTED

> Learn what ERR_NGROK_EVENTS_DESTINATION_DATADOG_AUTH_SCHEME_UNSUPPORTED means, why ngrok returns it, and how to fix it.

## ERR\_NGROK\_EVENTS\_DESTINATION\_DATADOG\_AUTH\_SCHEME\_UNSUPPORTED

The Datadog auth\_scheme `SCHEME` is not supported. Use 'dd\_api\_key' or 'bearer'.

## 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_EVENTS_DESTINATION_DATADOG_AUTH_SCHEME_UNSUPPORTED)


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