# Teste de conexão de autenticação

Source: https://developer.avalara.com/merchandise-calculation-pt/experiencia_usuario/teste_conexao/

Há um método disponível para checar a disponibilidade de serviço/PING.

![Screenshot of the Avalara Brazil setup UI. The area for entering the service status shows as "Active service" and is outlined with a blue rectangle.](https://avalara-devdocs-prod.mcoutput.com/merchandise-calculation-pt/Resources/Images/DevDot/br-servicestatus_avataxbr.png)

![Screenshot of the Avalara Brazil setup UI. The area for entering the service status shows as Unstable service" and is outlined with a blue rectangle.](https://avalara-devdocs-prod.mcoutput.com/merchandise-calculation-pt/Resources/Images/DevDot/br-unstableservice_avataxbr.png)