Mailer Lite is a dynamic email campaign tool that is suitable for all types of businesses. If you are a small-scale company then Mailer Lite is the right tool for you if you want to send something more than just newsletters.

It is simple to design attractive newsletters and automate it so that you can concentrate on your business while this tool takes care of your email campaign.

Now, in this article, we’ll see how to integrate Retainful with Mailer Lite.


  1. Mailer Lite account

2. A mailing list in Mailer Lite

Integrating with Mailer Lite

Navigate to your Retainful dashboard → Integrations → Mailer Lite

Click ‘’Mailer Lite’, this will prompt a menu, where you’ve to enter the API key.

Retrieving the API key from MailerLite

  1. A popup menu for credentials will be prompted.

  2. You have to enter the API key in the following menu.

3. You can click ‘Find your credentials here’ which will redirect you to MailerLite, where you can retrieve your Key. Once you are done click ‘Validate’

4. Choose your audience and click ‘Submit’

A popup acknowledging your integration should appear,

That’s it, you’re done, you’ve successfully integrated Retainful with your Mailer Lite account. Now Mailer Lite can automate our email campaign.