Facebook + Mailchimp

Connect Facebook and Mailchimp to Run Smarter Marketing Campaigns

Automatically sync Facebook leads, audiences, and ad data with Mailchimp so your email campaigns get more personal and your team spends less time on manual work.

Why integrate Facebook and Mailchimp?

Facebook and Mailchimp are two of the most useful tools in any marketer's toolkit, but they work in silos by default. Connecting them changes that. You can automatically capture leads from Facebook Lead Ads, sync audience segments across both platforms, and trigger targeted email sequences the moment a prospect engages with your ads. No more manual CSV exports, no more stale subscriber lists — just a cleaner handoff between your paid and email channels.

Automate & integrate Facebook & Mailchimp

Use case

Instant Lead Capture from Facebook Lead Ads

When a user submits a Facebook Lead Ad form, their contact information gets pushed into the right Mailchimp audience in real time. No manual CSV downloads, no delay — new leads enter your email nurture sequences within seconds of converting. You can map custom Lead Ad fields directly to Mailchimp merge tags for fully enriched subscriber records.

Use case

Automated Welcome Emails for New Facebook Leads

As soon as a new lead is added to Mailchimp from a Facebook Lead Ad, tray.ai can trigger a pre-built Mailchimp automation or drip campaign tailored to that ad's offer. Each lead gets a welcome email that references the exact promotion or content they responded to. That kind of relevance improves open rates and early-stage engagement in ways that generic welcome blasts simply don't.

Use case

Sync Mailchimp Subscribers to Facebook Custom Audiences

Keep your Facebook Custom Audiences automatically updated by syncing Mailchimp subscriber lists and segments to Facebook. When a subscriber is added, removed, or updates their preferences in Mailchimp, those changes are reflected in your Facebook ad targeting audiences without any manual intervention. Your retargeting and lookalike campaigns always reach the right people.

Use case

Tag and Segment Mailchimp Subscribers Based on Facebook Ad Engagement

Use Facebook ad interaction data — video views, link clicks, lead form completions — to apply specific tags and segments in Mailchimp. Your email campaigns get progressively more personal as you learn how subscribers engage with your paid content. A subscriber who watched 75% of a product video, for example, can be moved into a high-intent Mailchimp segment automatically.

Use case

Re-engage Cold Mailchimp Subscribers with Facebook Retargeting

Identify inactive subscribers in Mailchimp and automatically push them to a Facebook retargeting audience to re-engage them through paid ads. When someone in that audience clicks a Facebook ad and re-engages, they're automatically updated in Mailchimp with a fresh tag and placed into a re-engagement email sequence. It's a closed-loop approach that works across both channels without manual list exports.

Use case

Unsubscribe Sync to Prevent Compliance Issues

When a contact unsubscribes from a Mailchimp list or opts out via a Facebook ad, that change is automatically reflected across both platforms. This cross-platform suppression sync keeps you compliant with CAN-SPAM, GDPR, and CCPA — and makes sure you never accidentally re-market to contacts who've opted out. tray.ai monitors both systems and keeps suppression lists in lockstep.

Use case

Post-Purchase Email Flows Triggered by Facebook Conversions

When a Facebook conversion event fires — a purchase, sign-up, or app install — tray.ai can automatically add or update the customer record in Mailchimp and trigger a post-conversion email sequence. This is especially useful for e-commerce brands running Facebook catalog or conversion ads, letting them immediately follow up with receipts, onboarding guides, or upsell campaigns.

Get started with Facebook & Mailchimp integration today

Facebook & Mailchimp Challenges

What challenges are there when working with Facebook & Mailchimp and how will using Tray.ai help?

Challenge

Real-Time Lead Delivery Without API Delays

Facebook Lead Ads can accumulate submissions quickly during an active campaign, and delays in passing those leads to Mailchimp mean prospects get follow-up emails too late — which hurts conversion rates. Native integrations often batch-sync leads, introducing gaps of 15 minutes to several hours.

How Tray.ai Can Help:

tray.ai uses webhook-based triggers and real-time event processing to capture Facebook Lead Ad submissions the instant they occur, pushing data to Mailchimp with sub-minute latency so your welcome emails land while interest is still high.

Challenge

Field Mapping Between Facebook Lead Forms and Mailchimp Merge Tags

Facebook Lead Ad forms allow for custom question fields that don't automatically correspond to standard Mailchimp merge tags. Without proper mapping, valuable data like phone numbers, job titles, or custom survey answers gets lost or stays siloed in Facebook Ads Manager.

How Tray.ai Can Help:

tray.ai's visual data mapper lets you define precise, custom field mappings between any Facebook Lead Ad field and any Mailchimp merge tag, including custom fields, so every piece of lead data arrives in your email platform fully structured and ready to use.

Challenge

Keeping Custom Audiences in Sync Without Manual CSV Uploads

Manually exporting Mailchimp lists and uploading them to Facebook Ads Manager is time-consuming and error-prone — most teams can only do it weekly at best. That means your Facebook audiences are perpetually out of date, wasting ad spend on people who've already converted or unsubscribed.

How Tray.ai Can Help:

tray.ai automates the entire Custom Audience sync cycle, running scheduled or event-triggered updates that push Mailchimp segment changes directly to Facebook via the Marketing API. No manual downloads, uploads, or formatting required.

Challenge

Cross-Platform Unsubscribe and Compliance Management

When a contact opts out of marketing on one platform, that preference can easily go unrecorded on the other — leading to compliance violations under GDPR, CAN-SPAM, or CCPA, and potential damage to your sender reputation or ad account standing.

How Tray.ai Can Help:

tray.ai monitors unsubscribe and opt-out events on both Facebook and Mailchimp and immediately propagates suppression changes across both platforms, so you're not scrambling to stay compliant or manually cross-referencing opt-out lists.

Challenge

Handling Duplicate Contacts Across Both Platforms

The same person may appear in Mailchimp under multiple email addresses, or submit a Facebook Lead Ad form with a different email than the one already on your list. Without deduplication logic, you end up with fragmented subscriber records, inflated audience counts, and inconsistent messaging.

How Tray.ai Can Help:

tray.ai's workflow logic lets you implement deduplication rules before any data is written — checking for existing Mailchimp contacts by email, merging records when appropriate, and preventing duplicate audience entries in Facebook — so your data stays clean and your reporting stays accurate.

Start using our pre-built Facebook & Mailchimp templates today

Start from scratch or use one of our pre-built Facebook & Mailchimp templates to quickly solve your most common use cases.

Facebook & Mailchimp Templates

Find pre-built Facebook & Mailchimp solutions for common use cases

Browse all templates

Template

Add Facebook Lead Ad Submissions to Mailchimp Audience

This template automatically captures every new Facebook Lead Ad submission and adds the contact as a subscriber to a specified Mailchimp audience, mapping all form fields to the corresponding Mailchimp merge tags.

Steps:

  • Trigger: New lead submitted via Facebook Lead Ad form
  • Transform: Map Facebook Lead Ad fields (name, email, phone, custom questions) to Mailchimp merge tag format
  • Action: Create or update subscriber in the designated Mailchimp audience with appropriate tags

Connectors Used: Facebook, Mailchimp

Template

Sync Mailchimp List Segment to Facebook Custom Audience

This template runs on a scheduled basis to export a defined Mailchimp segment and sync those email addresses to a corresponding Facebook Custom Audience, so your ad targeting always reflects your current subscriber data.

Steps:

  • Trigger: Scheduled interval (e.g., every 24 hours) or Mailchimp list update event
  • Action: Retrieve members of a specified Mailchimp segment or tag
  • Action: Add or update matching contacts in a Facebook Custom Audience via the Facebook Marketing API

Connectors Used: Mailchimp, Facebook

Template

Remove Mailchimp Unsubscribes from Facebook Custom Audiences

Whenever a subscriber unsubscribes or is cleaned from a Mailchimp audience, this template automatically removes them from all associated Facebook Custom Audiences to maintain consistent suppression across channels.

Steps:

  • Trigger: Mailchimp unsubscribe or cleaned contact webhook fires
  • Transform: Hash the contact's email address to match Facebook's audience data format
  • Action: Remove the hashed contact from the specified Facebook Custom Audience

Connectors Used: Mailchimp, Facebook

Template

Tag Mailchimp Subscribers When They Convert on Facebook

This template listens for Facebook conversion events and automatically applies a specific tag or updates a subscriber's segment in Mailchimp, so you can run more targeted follow-up campaigns based on actual purchase or sign-up behavior.

Steps:

  • Trigger: Facebook conversion event fires (purchase, lead, registration, etc.)
  • Action: Look up the converting user's email address in Mailchimp
  • Action: Apply a conversion-specific tag or move subscriber to a high-intent segment in Mailchimp

Connectors Used: Facebook, Mailchimp

Template

Push Inactive Mailchimp Subscribers to Facebook Re-engagement Audience

On a regular schedule, this template identifies Mailchimp subscribers who haven't opened or clicked an email in a defined period and adds them to a Facebook Custom Audience for re-engagement ad campaigns.

Steps:

  • Trigger: Scheduled run (e.g., weekly)
  • Action: Query Mailchimp for subscribers matching inactivity criteria (no opens in 90 days)
  • Action: Sync that segment to a Facebook Custom Audience for re-engagement campaigns

Connectors Used: Mailchimp, Facebook

Template

Create Mailchimp Contact and Trigger Welcome Email from Facebook Page Lead

When someone submits a lead form attached to a Facebook Page event or promotion, this template creates a new Mailchimp contact and immediately triggers a welcome automation to deliver a timely, relevant first email.

Steps:

  • Trigger: New submission from a Facebook Page lead form or event sign-up
  • Action: Add the contact to the relevant Mailchimp audience with source-specific tags
  • Action: Trigger the designated Mailchimp welcome automation for that audience or tag

Connectors Used: Facebook, Mailchimp