# Test authentication connection

Source: https://developer.avalara.com/goods-calculation-en/pyj1745567356540/

# Test authentication connection

Use the Health API to test your AvaTax authentication and check service availability.

## Health service (PING)

Use the Health API to verify that AvaTax is available and responding to requests.

![Service status of AvaTax](https://knowledge-be.avalara.com/bundle/cjw6783699913145_cjw6783699913145/page/xny8626369552422.image?_LANG=enus)![Unstable service of AvaTax](https://knowledge-be.avalara.com/bundle/cjw6783699913145_cjw6783699913145/page/jmk9422380385782.image?_LANG=enus)