🟢ESP Integration

Monetize your Brevo email campaigns with MailAdx ads

MailAdx works with Brevo's (formerly Sendinblue) email campaigns via custom HTML blocks and contact attribute substitution. Add programmatic ad revenue to your Brevo newsletters.

Why add MailAdx to Brevo (Sendinblue)?

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 Brevo (Sendinblue)

  1. 1

    Create your MailAdx publisher account

    Sign up for a free MailAdx account and create your first ad placement.

  2. 2

    Add an email hash contact attribute in Brevo

    In Brevo, go to Contacts → Attributes and create a new text attribute (e.g., EMAIL_SHA256). Populate it via Brevo's API or import for all contacts.

  3. 3

    Paste the ad tag into a Brevo HTML block

    Add a custom HTML block in your Brevo email editor and paste the MailAdx ad tag. Use Brevo's attribute syntax {{ contact.EMAIL_SHA256 }} for the hash parameter.

  4. 4

    Test and launch

    Send a test email, open it, and verify the ad appears. Check the Publisher Portal for the impression.

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 -->

Brevo (Sendinblue) + MailAdx: common questions

Does MailAdx work with Brevo's Transactional Email API?

Yes. MailAdx ad tags work in both Brevo marketing campaigns and transactional emails. For transactional sends, pass the email hash as a dynamic parameter in the API call.

Ready to monetize your Brevo (Sendinblue) newsletter?

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

No credit card required
Setup in 30 minutes
Dedicated onboarding