You will need to know the following information to connect with your Infusionsoft Account.
API Key https://help.infusionsoft.com/userguides/get-started/tips-and-tricks/api-key
Sign In URL After you log in to Infusionsoft, locate your Application URL as shown here:
Log in and click "Promotions" and then select "Edit Integrations" next to the desired Promotion.
On the "App Integration" tab, locate and click on the Infusionsoft "Connect" button to launch the configuration options. a. Enter your Sign In URL and API Key b. Select an Infusionsoft Tag/Group ID and click "Save"
Your Justuno will now sync new signups to your selected Infusionsoft list as they come in!