> ## 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 Contact Reference Query Options

> Returns the parameters and operators available for Contact Reference queries. Use these options when building conditions for Query Contact References. Filter parameters are Contact Id, Contact Individual Id, Reference Source, Reference Id, Create DateTime UTC, and Last Modified DateTime UTC. Id can be sorted but is not a filter. Do not assume an operator is supported unless it appears in this response.



## API Specification

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


## Related topics

- [Query Contact References](/api-reference/contacts-and-individuals/query-contact-references.md)
- [Get Contact Query Options](/api-reference/contacts-and-individuals/get-contact-query-options.md)
- [Get Contact Note Query Options](/api-reference/contacts-and-individuals/get-contact-note-query-options.md)
- [Get Tribute Query Options](/api-reference/contacts-and-individuals/get-tribute-query-options.md)