> ## Documentation Index
> Fetch the complete documentation index at: https://docs.leadlex.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List Campaign Contacts

> Retrieve the contacts currently enrolled in a campaign, with per-contact status

## Request

### Path Parameters

<ParamField path="id" type="string" required>
  The campaign's unique ID (UUID)
</ParamField>

### Query Parameters

<ParamField query="page" type="integer" default="1">
  Page number for pagination
</ParamField>

<ParamField query="per_page" type="integer" default="50">
  Number of contacts per page (max: 100)
</ParamField>

<ParamField query="status" type="string">
  Filter by enrollment status: `pending`, `active`, `paused`, `completed`, `bounced`, `unsubscribed`, or `replied`
</ParamField>

### Headers

```
Authorization: Bearer wbk_your_api_key_here
```

<Note>
  Requires an API key with the `campaigns:read` permission.
</Note>

## Response

<ResponseField name="data" type="object">
  <Expandable title="properties">
    <ResponseField name="contacts" type="array">
      Enrolled contacts, newest first.

      <Expandable title="Contact enrollment object">
        <ResponseField name="contact_id" type="string">
          Contact UUID
        </ResponseField>

        <ResponseField name="full_name" type="string">
          Contact's full name
        </ResponseField>

        <ResponseField name="email" type="string">
          Contact email
        </ResponseField>

        <ResponseField name="status" type="string">
          Enrollment status (see query filter)
        </ResponseField>

        <ResponseField name="current_step" type="integer">
          Zero-based index of the next step to send
        </ResponseField>

        <ResponseField name="added_at" type="string">
          ISO 8601 timestamp when contact was added
        </ResponseField>

        <ResponseField name="last_sent_at" type="string">
          ISO 8601 timestamp of last email sent (nullable)
        </ResponseField>
      </Expandable>
    </ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="meta" type="object">
  <Expandable title="Pagination">
    <ResponseField name="page" type="integer">Current page</ResponseField>
    <ResponseField name="per_page" type="integer">Page size</ResponseField>
    <ResponseField name="total" type="integer">Total enrolled contacts</ResponseField>
  </Expandable>
</ResponseField>

<CodeGroup>
  ```bash cURL theme={null}
  curl "https://data.leadlex.com/functions/v1/api-gateway/v1/campaigns/cmp_abc123/contacts?status=active" \
    -H "Authorization: Bearer wbk_your_api_key_here"
  ```

  ```python Python theme={null}
  import requests

  API_KEY = "wbk_your_api_key_here"
  BASE_URL = "https://data.leadlex.com/functions/v1/api-gateway"
  CAMPAIGN_ID = "cmp_abc123"

  response = requests.get(
      f"{BASE_URL}/v1/campaigns/{CAMPAIGN_ID}/contacts",
      headers={"Authorization": f"Bearer {API_KEY}"},
      params={"status": "active"},
  )
  ```

  ```javascript JavaScript theme={null}
  const CAMPAIGN_ID = 'cmp_abc123';
  const response = await fetch(
    `https://data.leadlex.com/functions/v1/api-gateway/v1/campaigns/${CAMPAIGN_ID}/contacts?status=active`,
    { headers: { 'Authorization': 'Bearer wbk_your_api_key_here' } }
  );
  ```
</CodeGroup>

### Example Response

```json theme={null}
{
  "data": {
    "contacts": [
      {
        "contact_id": "123e4567-e89b-12d3-a456-426614174000",
        "full_name": "Jane Doe",
        "email": "jane@example.com",
        "status": "active",
        "current_step": 2,
        "added_at": "2026-04-01T09:00:00Z",
        "last_sent_at": "2026-04-15T09:00:00Z"
      }
    ]
  },
  "meta": { "page": 1, "per_page": 50, "total": 147 }
}
```

## Errors

| Status | Code                       | Description                         |
| ------ | -------------------------- | ----------------------------------- |
| 401    | `invalid_key`              | Invalid or expired API key          |
| 403    | `insufficient_permissions` | Missing `campaigns:read` permission |
| 404    | `campaign_not_found`       | No campaign with this ID            |
| 429    | `rate_limited`             | Rate limit exceeded                 |