ActionMailchimpUpdated May 2026

How do I look up a Mailchimp subscriber by email?

Short answer: Drop the "Mailchimp → Get List Member" action anywhere in your workflow, map the inputs from upstream nodes, and publish.

Use this action All 16 Mailchimp actions

Inputs

The fields this action accepts.

Every field can be mapped from an upstream trigger, AI step, table row, or hard-coded literal.

Field	Type	Required	Description
Audience/List ID list_id	string	Required	Mailchimp audience (list) ID — a 10-char hex string. Find in Audience > Settings > Audience name & defaults.
Subscriber Hash subscriber_hash	string	Required	Lowercase MD5 hash of the subscriber's email. Pass the email if your SDK auto-hashes.

Sample request

{
  "list_id": "e.g. a1b2c3d4e5",
  "subscriber_hash": "e.g. 6dc0f6c5be3563d58a0e7db229f8a4e2"
}

Returns

{
  "id": "abc123",
  "status": "subscribed",
  "merge_fields": {
    "FNAME": "John",
    "LNAME": "Doe"
  },
  "email_address": "user@example.com"
}

Use these fields in downstream nodes for routing, logging, or error handling.

Triggered by

Apps that pair well as the trigger for Get List Member.

Any of these apps can fire this action as part of a workflow.

Google Sheets → Mailchimp

2 Google Sheets triggers

HubSpot → Mailchimp

18 HubSpot triggers

FAQ

Questions about Get List Member.

What does the Get List Member action do in Mailchimp?

Gets information about a specific list member by subscriber hash (MD5 of lowercase email). The standard read used to verify subscription status.

What inputs does Get List Member require?

Required: Audience/List ID, Subscriber Hash. Every input accepts a static value or a variable from any upstream node in your workflow.

Can I use dynamic inputs from earlier workflow nodes?

Yes. Any field on this action can pull values from upstream nodes, whether that's a form response, a trigger payload, an AI output, or a lookup result.

What happens if Mailchimp returns an error?

The workflow pauses on the failed node, the error message is captured in the run log, and you can retry the run with one click. Auto-retry policies are configurable per workflow with exponential backoff up to 5 attempts.

Does Get List Member support batch operations?

Yes. Run Get List Member inside a Loop node to process arrays. Tiny Command handles Mailchimp's rate limits automatically so you don't have to throttle manually.

More actions