# Test authentication

Source: https://developer.avalara.com/avatax-for-ap/bsb4695694681107/

# Test authentication

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

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/qls6870097770673_qls6870097770673/page/lkw8652200528514.image?_LANG=enus)