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OptinMonster integration with MailerLite

OptinMonster is a lead-generation plugin for your WordPress website that offers effective forms that are sure to catch the attention of your visitors. Create lightbox popups, floating bars, scroll boxes, gamified wheels, and more.

Integrating MailerLite with OptinMonster allows you to sync new and existing subscribers between both applications.


  1. In the campaign builder on OptinMonster, head to Integrations.

  2. Click + Add New Integration

  3. Locate MailerLite in the list of email service providers.

  4. Enter your MailerLite API key, which you can find on your Developer API page.

  5. Click Connect to MailerLite

  6. Select the group where your subscribers will be added upon sign-up.

  7. Click Save.

That’s it! Now the leads that you collect on OptinMonster forms will be automatically synced to your MailerList email list.

You can also use any of the following third-party integration platforms to connect MailerLite with OptinMonster: