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

# Get a Contact by Reference ID

> Returns the contact carrying the given reference id from an external system, without needing to know the reference source. HMAC Auth only.



## API Specification

The full API specification for this endpoint is available in the [documentation index](https://docs.virtuous.org/llms.txt).