How To Integrate Campaign Monitor With Your Form?
Campaign Monitor automation tool adds new contacts to the subscribers' list, sends automated emails, manages subscriber lists, and enhances email marketing strategy.
To integrate with Campaign Monitor, go to the settings page of your Campaign Monitor account, click the API & Integrations section, and copy API Key.

On Formclick, go to forms and click on integrations.

On the Integration page, click the Connect option under Campaign Monitor.

Enter the API Key, and authenticate your account.

Select the campaign action from the dropdown.

Map the fields of your form with Campaign Monitor fields and click the integration option to complete the process.

New contacts to the subscribers' list whenever a new entry is received.