Add the TaxJar Connector
Authenticate to TaxJar
After you add the connector, you need to set the required properties. API Key: Enter the API key for your account. To obtain your API key, log in to and select Account > API.Complete Your Connection
To complete your connection:- For Use Sandbox, specify whether you want to connect to a sandbox account. By default, the Enable checkbox is not selected.
- Define advanced connection settings on the Advanced tab. (In most cases, though, you should not need these settings.)
- Click Create & Test to create your connection.