# Test authentication

Source: https://developer.avalara.com/products/ecm/integration-guides/document-management/qud7681185930751/

Guide: Exemption Certificate Management (ECM)

# Test authentication

Learn how to test your Avalara credentials for authentication.

Avalara provides the following site where you can test your credentials: [https://developer.avalara.com/avatax/test-credentials/](https://developer.avalara.com/avatax/test-credentials/)

In the left navigation pane:

1.  Select your environment (Production or Sandbox).
2.  Enter your username and password or your account number and license key.
3.  Select Submit.

![Test AvaTax credentials](https://knowledge-be.avalara.com/bundle/hxd9079947903116_hxd9079947903116/page/lkw8652200528514.image?_LANG=enus)