# 60001: Downstream Authentication Failed

Log Type: TWILIO

Log Level: ERROR

## Description

Downstream Authentication Failed

### Possible causes

The request was received and passed Twilio API authentication, but failed due to a downstream authentication error for the Account SID provided.

### Possible solutions

* Check that the Account SID provided is correct.
* [Contact Twilio Support](https://www.twilio.com/help/contact) to confirm that access to this endpoint is enabled for the given Account SID.