# Test authentication

Source: https://developer.avalara.com/avatax-for-vat/zty0980118715171/

# Test authentication

Learn how to test your Avalara credentials using the site provided.

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/).

On the left navigation pane:

1.  Select your environment (Production or Sandbox)

2.  Enter either your username and password or your account number and license key, then select Submit.

![Test AvaTax credentials](https://knowledge-be.avalara.com/bundle/ozz0049272407478_ozz0049272407478/page/lkw8652200528514.image?_LANG=enus)