To integrate your MailerLite account with our app, please go to "manage applications" and click "mailerlite".
In a new window, log into your MailerLite account and go to "integrations" (url: https://app.mailerlite.com/integrations/)
Look for "Developer API" and click "use"
Copy the API key shown on the page
Paste the API key in the MailerLite popup in our app
MailerLite will now be available as an integration when using our app forms, funnels and membership sites.