Mailchimp

The Mailchimp node lets you manage audiences, subscribers, and campaigns. A single node supports multiple operations — select the operation you need and the relevant fields appear.

All operations require a Mailchimp connection configured with your API key.

Operations

Audiences

Operation	Description	Key Fields
List Audiences	List all audiences (lists)	Limit

Subscribers

Operation	Description	Key Fields
List Members	List members of an audience	Audience ID, Limit
Get Member	Get a subscriber by hash	Audience ID, Subscriber Hash
Add Member	Add a subscriber to an audience	Audience ID, Email, Status, Merge Fields
Update Member	Update a subscriber	Audience ID, Subscriber Hash, Status, Merge Fields
Delete Member	Remove a subscriber	Audience ID, Subscriber Hash

The Subscriber Hash is the MD5 hash of the subscriber's lowercase email address.

Campaigns

Operation	Description	Key Fields
List Campaigns	List campaigns	Limit
Create Campaign	Create a new campaign	Audience ID, Subject, From Name, Reply-To
Send Campaign	Send an existing campaign	Campaign ID

Field Details

Merge Fields

Use the Merge Fields key-value input to set subscriber data like first name, last name, etc. Common merge field tags:

Tag	Description
FNAME	First name
LNAME	Last name
PHONE	Phone number
ADDRESS	Mailing address

Streaming

List Audiences, List Members, and List Campaigns support streaming — each item is emitted individually to downstream nodes.

Common Patterns

Sync New Users to Mailchimp

1. DataStore Trigger — fires when a new user is inserted
2. Mailchimp (Add Member) — subscribe the user to an audience

Bulk Import Subscribers

1. Google Sheets Read — load a spreadsheet of contacts
2. Mailchimp (Add Member) — add each contact with merge fields