# Test authentication connection

Source: https://developer.avalara.com/invoice_services_en/user_experience/test_connection/

# Test authentication connection

Run the [Ping API](https://avataxbr-docs.avalarabrasil.com.br/#/PING/retrieveStatus) to check the service availability.

The image below shows the production environment with Service Status "`Active service`". 

![](https://www.avalara.com/content/dam/assets/ui/screenshots/servicestatus_avataxbr.png)

The image below shows the production environment with Service Status "`Unstable service`". 

![](https://www.avalara.com/content/dam/assets/ui/screenshots/unstableservice_avataxbr.png)

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