The Constant Contact add-on needs to be installed and activated to see the features mentioned in this this documentation.

Setup Constant Contact

To get your Constant Contact API Key go to Ninja Forms > Settings

Next, go to the Constant Contact settings section and click the “Click Here” link to generate your access token

You’ll be redirected to Constant Contact’s Login page, where you will need to login.

Once you’ve logged in, you’ll be asked to allow access to to update your Constant Contact. Click Allow.

After you click allow, you will be redirected back to your site and the API Key will be added to the Constant Contact Access Token field and you are done with this step.

Adding Constant Contact to your form

To add the action to any form, from the Emails & Actions tab click Add New Action and then the Constant Contact action from inside the Actions Window that opens.

Choose the Constant Contact list you would like the user subscribed to.
Note: You may need to refresh the list. To do this, click the icon beside the “List” label.

At this time Constant Contact only supports mapping First Name, Last Name, and Email Fields. Map the Email field from the form you would like to subscribe to your Constant Contact list.

Constant Contact Opt-in Field

The Constant Contact Opt-in field gives the user an option to choose if they want to be added to a Constant Contact list without the need to setup a Conditional Logic statement.
To add a Constant Contact Opt-in field to your form, on the bottom right in the form builder, click on the blue add field plus (+) button, then choose the Constant Contact Opt-in field.

If the Constant Contact Opt-in field is checked, the Constant Contact Action will be processed and the user will be added to the list.
If the Opt-in is unchecked, the Constant Contact Action will be ignored.