Optingun Integration with mailerlite
Integrating your Optingun forms with mailerlite is super easy, its takes only 3 steps to finish the whole process.
Go to your mailerlite dashboard, and click on profile name on top menu and then click "Integrations" from the popup menu
Now click "Developer API" and copy the API Key from this page
Now in the admin area of Optingun, click on top hanburger icon to reveal menu, and click on "API configuration" from there, or click on "Connect your Apps" button from dashboard home page, you will land on API configuration page
This page will list all the Apps, now click on mailerlite icon, this action will display API key field, you need to put your mailerlite key here and save the settings, make sure you are entering the key with out any extra characters or spaces
Go to your forms or create new form, and navigate to Integrations tab using the left side menu, and from email software selector, select mailerlite, this will connect to mailerlite in real-time and load all the groups that are available there, select the groups that you want to add contacts to and click on "Add Integration" button, now you should see the rule description on right side tab, after this, update your form by clicking the green button on left side menu as shown in the picture below with numbering.
This is all you need to do to connect your forms with mailerlite, enjoy using it.