The Ninja forms plugin add-on allows you to save form data to Mautic
1.Enable API on Mautic
2.Create API Credentials
3.Install and activate ninja-forms-mautic
4.Navigate to Forms > Settings
5.Under Mautic Settings fill in authentication information and click "Authorize"
I.Navigate to editing a form
II.Go to Emails & Actions and add "Send to Mautic"
III.Configure the action by adding Field Mappings
1.The left side should be the admin key for the ninja form
2.The right side should be the API field name of Mautic (e.g. first name, last name, email, phone, company)