Latenode
Mailchimp
Facebook

Automatically sync new Mailchimp subscribers to Facebook audiences

This automation connects Mailchimp subscriber lists with Facebook Custom Audiences, allowing businesses to automatically add new email subscribers to a specific Facebook audience.

This enables targeted advertising and remarketing campaigns, helping businesses leverage their Mailchimp subscriber data to find and connect with potential customers on the Facebook platform. The integration involves a Mailchimp 'New Subscriber' trigger that sends the subscriber's email address to Facebook, where it is added to an existing Custom Audience. This streamlines the process of using email marketing data to power Facebook advertising and audience segmentation.

Updated Apr 2, 2026Est. run: 8sEst. cost: $0.0005
How Latenode estimates time and cost

Latenode bills workflow runs in credits: 1 credit = 30 seconds of processing. Minimum charge per run depends on your plan. Plug-and-Play (PnP) AI nodes are billed separately—each PnP token is $1 USD, charged pay-as-you-go at vendor cost plus a small processing fee, with no API keys required.

Full pricing — how credits work →
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Workflow preview

What this template does

  • Extracts new Mailchimp subscriber email addresses
  • Normalizes email addresses for Facebook Custom Audience
  • Adds new subscribers to a specific Facebook Custom Audience
  • Enables targeting and remarketing campaigns on Facebook
  • Provides a Facebook Custom Audience for advertising

How it works

1
Trigger

New Mailchimp Subscriber

When a new subscriber is added to a Mailchimp list, this triggers the workflow.

2
Action

Process Subscriber Data

The subscriber's email address is extracted and prepared for addition to the Facebook Custom Audience.

3
Action

Add to Facebook Custom Audience

The processed email address is added to the specified Facebook Custom Audience, enabling targeted advertising and remarketing campaigns.

Setup guide

1

Add Mailchimp credential in Latenode

Add your Mailchimp API key in the Latenode Credentials panel. This allows the integration to securely connect to your Mailchimp account.

2

Add Facebook Custom Audiences credential in Latenode

Add your Facebook Developer API credentials (App ID and App Secret) in the Latenode Credentials panel. This allows the integration to securely access your Facebook Custom Audiences.

3

Configure Mailchimp 'New Subscriber' trigger node

In the Latenode builder, add a Mailchimp 'New Subscriber' trigger node. Select the specific Mailchimp audience you want to monitor for new subscribers.

4

Configure Facebook 'Add to Custom Audience' action node

In the Latenode builder, add a Facebook 'Add to Custom Audience' action node. Select the Facebook Custom Audience you want to add new subscribers to.

5

Map Mailchimp subscriber data to Facebook

In the Latenode builder, map the Mailchimp 'New Subscriber' trigger node output (email address) to the input of the Facebook 'Add to Custom Audience' action node.

Requirements

Mailchimp account with an API key
Facebook Business Manager account with access to the desired Facebook Ad Account
Facebook Custom Audience created in the target Facebook Ad Account
Latenode workspace set up with the Mailchimp and Facebook integrations

FAQ

Common questions about this template

Each run uses credits on your Latenode plan. We charge for processing time (1 credit = 30 seconds). Your actual cost depends on your plan and how long the run takes. See pricing plans for plans and how credits work.
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