# Linking Mailchimp as a source - Docs

The Mailchimp connector can link lists, campaigns, reports, and contacts to PostHog.

To link Mailchimp:

1.  Go to the [sources tab](https://app.posthog.com/data-management/sources) of the data pipeline section in PostHog.

2.  Click **\+ New source** and then click **Link** next to Mailchimp.

3.  Next, you need an API key from Mailchimp. Go to your [API keys settings](https://us1.admin.mailchimp.com/account/api/) in Mailchimp. Click **Create A Key**, give it a name, and copy the value of the newly created key. The key should be in the format `key-dc` (e.g., `abc123def456-us6`), where the suffix after the last hyphen is your Mailchimp data center.

4.  Back in PostHog, paste the API key in the `API key` field and click **Next**.

5.  On the next page, set up the schemas you want to sync and modify the method and frequency as needed. Once done, click **Import**.

Once the syncs are complete, you can start using Mailchimp data in PostHog.

## Configuration

| Option | Type | Required |
| --- | --- | --- |
| API key | password | Yes |

## Supported tables

| Table | Description | Sync method | Incremental field | Primary key |
| --- | --- | --- | --- | --- |
| lists | An audience (mailing list) in Mailchimp that contains contacts and their subscription status. | Full refresh | — | — |
| campaigns | An email campaign created in Mailchimp, including its settings, recipients, and content. | Full refresh | — | — |
| reports | A performance report for a sent campaign, summarizing opens, clicks, bounces, and engagement. | Full refresh | — | — |
| contacts | A member (contact) of a Mailchimp audience, including subscription status and engagement. | Incremental, Full refresh | last_changed | — |

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