> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://help.close.com/integrations/marketing/mailchimp/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://help.close.com/_mcp/server.

# Mailchimp

> Use Zapier to create a Lead in Close for every new Mailchimp subscriber, and check for an existing Lead first so you don't create duplicates.

![Orange Zapier asterisk logo on white background.](https://close-prd-help-docs.s3.us-west-2.amazonaws.com/integrations/marketing/mailchimp/zapier_logo_icon_bdb4c4.png)

Create new Close Lead from Mailchimp subscriber

[Use this Zap](https://zapier.com/shared/aaa0c30be590b1f9ac5cc88191f020f5951c96f0)

[Mailchimp](https://mailchimp.com/) is most popular for its email marketing and automation used by thousands of companies. Chances are you are managing your email lists through Mailchimp as well. If that is the case, you can use the following Zap to create a lead in Close whenever you have a new subscriber in Mailchimp.

## What you'll need

* A Close account and your API key
* A Zapier account (free one works as well with just two steps)

## How the integration works

Whenever there is a new subscriber in your Mailchimp list, this integration checks if such a lead already exists in Close based on the associated email address. If it doesn't exist, a new lead will be created.

## Setup

### Step 1 - New Subscriber in Mailchimp

Start by clicking on the "Use this Zap" button at the top of the page to use our pre-made template. The first step is to authorize Mailchimp.

![Zapier setup screen for Mailchimp new subscriber trigger requesting account selection.](https://close-prd-help-docs.s3.us-west-2.amazonaws.com/integrations/marketing/mailchimp/mailchimp_new_subscriber_step_164c4e.png)

*Step 1 - New Subscriber in Mailchimp*

For that you'll just need to enter your regular email and password.

![Zapier to Mailchimp connection page with username and password fields and a Log In button.](https://close-prd-help-docs.s3.us-west-2.amazonaws.com/integrations/marketing/mailchimp/zapier_mailchimp_login_52655c.png)

*Mailchimp authorization pop-up window in Zapier*

When connected, in the next step you need to select the `Audience` (a list) for which this trigger will be active.

![Mailchimp Customize Subscriber panel showing Audience dropdown set to My list and a Refresh Fields button.](https://close-prd-help-docs.s3.us-west-2.amazonaws.com/integrations/marketing/mailchimp/customize_subscriber_panel_ec6b4d.png)

*Audience picker in Zapier*

Click Continue, and Test & Continue to make sure everything is working as expected.

### Step 2 - Find or Create Lead in Close

In the second step authorize Close using your API key found in `Settings > API Keys`.

![Zapier step showing Choose Account panel for finding or creating a Close lead with account dropdown.](https://close-prd-help-docs.s3.us-west-2.amazonaws.com/integrations/marketing/mailchimp/find_or_create_lead_601162.png)

*Step 2 - Find or Create Lead in Close*

Click Continue and review the details of lead that will be created if there isn't already a lead with the same email address. By default, a new lead will be created with a subscriber's name, email address, and a description that reads `Lead from a new MailChimp subscriber`. If that works for you, you don't need to change a thing.

![Zapier setup showing Close lead fields for company name and description with Mailchimp merge data.](https://close-prd-help-docs.s3.us-west-2.amazonaws.com/integrations/marketing/mailchimp/close_lead_setup_e82283.png)

*Details of the newly created lead*

Click Continue, then Test & Continue and you're done. Turn on the Zap and you are good to go!

![Zapier confirmation card showing Mailchimp to Close with Turn Zap On button.](https://close-prd-help-docs.s3.us-west-2.amazonaws.com/integrations/marketing/mailchimp/zap_ready_confirmation_2e8873.png)

*Turn Zap on*

> Use Zapier to create a Lead in Close for every new Mailchimp subscriber, and check for an existing Lead first so you don't create duplicates.