# Avalara for Communications REST v2 Developer Guide

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

-   [Get Started](/communications/dev-guide_rest_v2/getting-started/)

Welcome to the Avalara for Communications REST v2 Developer Guide!

This guide provides you with an overview of the Avalara for Communications REST v2 API functionality, including:

-   [Authentication](/communications/dev-guide_rest_v2/getting-started/authentication/) and [endpoints](/communications/dev-guide_rest_v2/getting-started/environments-endpoints/)
-   [Descriptions](/communications/dev-guide_rest_v2/reference/) of JSON key/value pairs and request formatting
-   [Examples](/communications/dev-guide_rest_v2/customizing-transactions/transaction-use-cases) of specific use cases and how to customize your transactions

We are continuously adding new functionality to our REST v2 API and encourage you to check back here for updates.

Copyright © 2020 Avalara Inc. All rights reserved.

-   [Get Started](/communications/dev-guide_rest_v2/getting-started/)