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How to Integrate Deadline Funnel with Mailerlite (Classic)
How to Integrate Deadline Funnel with Mailerlite (Classic)
Matt avatar
Written by Matt
Updated over a week ago

In this doc, we'll show you How to Integrate Deadline Funnel with MailerLite (Classic). There are a few additional steps to complete as well -

The API integration with MailerLite Classic is the easiest and most flexible way to integrate Deadline Funnel with your MailerLite Classic account.

Where to find your MailerLite Classic API details:

Login to your MailerLite Classic account, click on your account name and then on 'Integrations' :

Now click 'Developer API':

Now copy your API key:

Video Tutorial:

Integrate Deadline Funnel with your MailerLite Classic account:

Click on Integrations in the top blue bar, then select the campaign that you want to integrate and click 'New Integration:

Select 'Create Deadline Funnel Tracking':

Select 'MailerLite (Classic)' and click 'next':

At this point, Deadline Funnel will ask you for your MailerLite Classic API Key:

To find your API key, log into MailerLite Classic and navigate to your account name and then click on 'Integrations' :

Copy and paste the key into Deadline Funnel, then click 'Integrate':

Set up the Webhook for MailerLite Classic:

On the next screen, you'll need to select a trigger option to start the deadline. This can be when a subscriber is added to MailerLite Classic or when the subscriber is added to a specific group:

If you selected "Joined a group", you'll need to specify the MailerLite Classic group in the next step:

Then you will select the custom field that stores each lead's unique deadline. You can select a custom field you already have or create a new field by typing directly into the box. We recommend you name the custom field something specific to your promotion, that way when you see it in a contact's record you know immediately what it's for:

Next click 'Create Webhook'. This will create the webhook in MailerLite Classic that will trigger the webhook when the trigger action is performed that you specified above:

Make sure to click "Next" in the bottom right to finish this part of the integration process.

Add the subscriber to a group in your automation in MailerLite Classic

In this section we'll cover how to add each subscriber to the trigger group in an Automation in MailerLite Classic.

When the subscriber is added to the group can vary depending on your particular funnel, but in this example we'll show how to add the subscribers to the group so that the deadline will be triggered immediately after someone submits a form.

1. Navigate to your automation in MailerLite Classic and click to add a step after the optin:

2. Select 'Action' and 'Copy to group':

3. Then select the trigger group you set up in Deadline Funnel and hit 'Save':

4. Now the subscribers will be added to the group immediately after they opt-in to the funnel, which will start their deadline, and then you can send them through your email sequence.

Testing Your Integration

Once you've set up your integration, make sure to do a quick test to make sure all the pieces are connecting properly.

1. Add a test MailerLite Classic contact to your funnel. The best practice is to opt this email in the way a prospect would normally opt-in.

2. Go to Deadline Funnel >> Analytics >>People and scroll down to "People Tracked". Here you should see a tracking record for the email you were testing with.

(It may take a couple of minutes to come through, so make sure to wait and refresh the Analytics page a couple of times if it's not showing up.)

If that email appears here, you know everything is working correctly with your integration. πŸ™‚ πŸŽ‰ If you don't see it after a few minutes, you'll need to revisit your integration setup and troubleshoot. Feel free to reach out via chat or email if you get stuck; we're here to help!

Important Note about Email Links

For the API integration to work you MUST use the Deadline Funnel email links in any of your emails that link to a sales page with a countdown timer, or that link to a page in your funnel that links to another page with your countdown timer.

In other words, the API integration requires that your subscribers click one of the Deadline Funnel email links before they reach a page with a countdown. This is necessary in order to make sure each subscriber is assigned the correct deadline.

If you have any questions, send us a message in chat or email us at

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