# Chapter 5 - Reference

Source: https://developer.avalara.com/products/communications/integration-guides/dev-guide_rest_v2/reference/

-   [Previous Chapter](/communications/dev-guide_rest_v2/customizing-transactions)
-   [Next](/communications/dev-guide_rest_v2/reference/calc-taxes-request/)

The pages in this section contain more information about the JSON key/value pairs found in Communications REST v2.

Check out [Swagger](https://communications.avalara.net/API/AFCSaaSProTax/) for additional information.

-   [Previous Chapter](/communications/dev-guide_rest_v2/customizing-transactions)
-   [Next](/communications/dev-guide_rest_v2/reference/calc-taxes-request/)