# Add or Update Subscriber — Mailchimp

> Adds a new subscriber to an audience or updates existing subscriber. See docs here

- Key: `mailchimp-add-or-update-subscriber`
- Type: Action (Write)
- Version: 0.2.5
- App: Mailchimp (`mailchimp`) — https://pipedream.com/apps/mailchimp.md
- This page (HTML): https://pipedream.com/apps/mailchimp/actions/add-or-update-subscriber
- Hints: destructive · open-world
- Source: https://github.com/PipedreamHQ/pipedream/blob/master/components/mailchimp/actions/add-or-update-subscriber/add-or-update-subscriber.mjs

## Description

Adds a new subscriber to an audience or updates existing subscriber. [See docs here](https://mailchimp.com/developer/marketing/api/list-members/add-or-update-list-member/)

## Props

| Prop | Type | Required | Description |
|---|---|---|---|
| `listId` | `string` | Yes | The unique ID of the list Options are loaded from the connected account. |
| `subscriberHash` | `string` | Yes | The MD5 hash of the lowercase version of the list member's email address. Options are loaded from the connected account. |
| `emailAddress` | `string` | Yes | Email address for a subscriber. |
| `skipMergeValidation` | `boolean` | No | If skip_merge_validation is true, member data will be accepted without merge field values, even if the merge field is usually required. This defaults to False. |
| `statusIfNew` | `string` | Yes | Subscriber's status. This value is required only if the email address is not already present on the list. |
| `emailType` | `string` | No | Type of email this member asked to get ('html' or 'text'). |
| `status` | `string` | No | Subscriber's current status. |
| `mergeFields` | `object` | No | An individual merge var and value for a member. |
| `interests` | `object` | No | The key of this object's properties is the ID of the interest in question. |
| `language` | `string` | No | If set/detected, the subscriber's language. |
| `vip` | `boolean` | No | VIP status for subscriber. |
| `latitude` | `string` | No | The location latitude. |
| `longitude` | `string` | No | The location longitude. |
| `marketingPermissionId` | `string` | No | The ID for the marketing permission on the list. |
| `marketingPermissionsEnabled` | `boolean` | No | If the subscriber has opted-in to the marketing permission. |
| `ipSignup` | `string` | No | IP address the subscriber signed up from. |
| `timestampSignup` | `string` | No | The date and time the subscriber signed up for the list in ISO 8601 format. |
| `ipOpt` | `string` | No | The IP address the subscriber used to confirm their opt-in status. |
| `timestampOpt` | `string` | No | The date and time the subscriber confirmed their opt-in status in ISO 8601 format. |

## Run it

**MCP**

```ts
import { Client } from "@modelcontextprotocol/sdk/client/index.js"
import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js"
import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const accessToken = await pd.rawAccessToken

const transport = new StreamableHTTPClientTransport(
  new URL("https://remote.mcp.pipedream.net/v3"),
  {
    requestInit: {
      headers: {
        Authorization: `Bearer ${accessToken}`,
        "x-pd-project-id": process.env.PIPEDREAM_PROJECT_ID!,
        "x-pd-environment": "production",
        "x-pd-external-user-id": "{external_user_id}", // any stable ID for this user in your system
        "x-pd-app-slug": "mailchimp",
      },
    },
  },
)

const mcp = new Client({ name: "my-agent", version: "1.0.0" })
await mcp.connect(transport)

const { tools } = await mcp.listTools()

// listTools() hands your model this tool's input schema, so it can
// fill the arguments itself:
const result = await mcp.callTool({
  name: "mailchimp-add-or-update-subscriber",
  arguments: {
    listId: "List Id",
    subscriberHash: "Subscriber",
  },
})
```

**TypeScript**

```ts
import { PipedreamClient } from "@pipedream/sdk"

const pd = new PipedreamClient({
  projectId: process.env.PIPEDREAM_PROJECT_ID!,
  clientId: process.env.PIPEDREAM_CLIENT_ID!,
  clientSecret: process.env.PIPEDREAM_CLIENT_SECRET!,
  projectEnvironment: "production",
})

const result = await pd.actions.run({
  id: "mailchimp-add-or-update-subscriber",
  externalUserId: "{external_user_id}", // any stable ID for this user in your system
  configuredProps: {
    mailchimp: { authProvisionId: "apn_xxxxxxx" },
    listId: "List Id",
    subscriberHash: "Subscriber",
  },
})

console.log(result)
```

**cURL**

```bash
curl -X POST https://api.pipedream.com/v1/connect/{project_id}/actions/run \
  -H "Content-Type: application/json" \
  -H "X-PD-Environment: production" \
  -H "Authorization: Bearer {access_token}" \
  -d '{
    "external_user_id": "{external_user_id}",
    "id": "mailchimp-add-or-update-subscriber",
    "configured_props": {
      "mailchimp": { "authProvisionId": "apn_xxxxxxx" },
      "listId": "List Id",
      "subscriberHash": "Subscriber"
    }
  }'
```

---

- App: https://pipedream.com/apps/mailchimp.md · All apps: https://pipedream.com/apps