ESP Integration

Add newsletter ad revenue to your ActiveCampaign campaigns

MailAdx integrates with ActiveCampaign via custom HTML email blocks and personalization tags. Add open-time ads to your AC campaigns and automations.

Why add MailAdx to ActiveCampaign?

Open-time ad serving — impressions count only on genuine opens
No revenue share — flat per-impression fee, you keep the rest
Direct-sold + programmatic demand in a single waterfall
Custom price floors per ad placement
Real-time delivery dashboard and per-send reporting
Native ads (composite PNG) and standard banner formats

How to integrate MailAdx with ActiveCampaign

  1. 1

    Create your MailAdx publisher account and ad unit

    Sign up and create a publisher ad placement with your floor CPM settings.

  2. 2

    Add a custom field for email hash in ActiveCampaign

    ActiveCampaign supports custom contact fields. Create a custom field to store the SHA-256 email hash. Populate it via ActiveCampaign's API when contacts are created or updated.

  3. 3

    Add a custom HTML block to your email

    In the AC email editor, add a Custom HTML block and paste the MailAdx ad tag. Use the AC personalization tag for your email hash field.

  4. 4

    Test and activate

    Send a test to yourself, open the email, and verify the ad loads correctly.

email-template.html
<!-- MailAdx ad tag — decision runs at open time -->
<a href="https://mailadx.com/api/v1/serving/click?pub=YOUR_PUB&pk=header&eh={{EMAIL_SHA256}}"
   target="_blank">
  <img src="https://mailadx.com/api/v1/serving/display?pub=YOUR_PUB&pk=header&eh={{EMAIL_SHA256}}&w=600&h=100"
       width="600" height="100" alt="" />
</a>
<!-- Replace {{EMAIL_SHA256}} with your ESP's email hash merge tag -->

ActiveCampaign + MailAdx: common questions

Does the MailAdx integration work with ActiveCampaign automations?

Yes. The ad tag works in any email type — one-off campaigns, automations, and sequences. The auction runs at open time regardless of how the email was triggered.

Ready to monetize your ActiveCampaign newsletter?

Free to start. No revenue share. Direct advertiser relationships from day one.

No credit card required
Setup in 30 minutes
Dedicated onboarding