# What is the Sandbox URL?

Source: https://developer.avalara.com/products/ecm/integration-guides/document-management/hmh0381845766331/

Guide: Exemption Certificate Management (ECM)

# What is the Sandbox URL?

Find the URL for accessing the Avalara Sandbox environment.

The Sandbox URL for Avalara is: [https://sandbox-rest.avatax.com/](https://sandbox-rest.avatax.com/).