> ## 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.

# Campaign Stats

> Aggregate delivery, engagement, and response metrics for a campaign

## Request

### Path Parameters

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

### Headers

```
Authorization: Bearer wbk_your_api_key_here
```

<Note>
  Requires an API key with the `campaigns:read` permission. Stats are aggregated across all steps and enrolled contacts.
</Note>

## Response

<ResponseField name="data" type="object">
  <Expandable title="properties">
    <ResponseField name="stats" type="object">
      <Expandable title="Stats object">
        <ResponseField name="sent_count" type="integer">
          Total emails successfully dispatched
        </ResponseField>

        <ResponseField name="opened_count" type="integer">
          Total unique opens (deduplicated per recipient per step)
        </ResponseField>

        <ResponseField name="clicked_count" type="integer">
          Total unique link clicks
        </ResponseField>

        <ResponseField name="replied_count" type="integer">
          Recipients who replied at least once
        </ResponseField>

        <ResponseField name="bounced_count" type="integer">
          Hard + soft bounces
        </ResponseField>

        <ResponseField name="unsubscribed_count" type="integer">
          Recipients who unsubscribed
        </ResponseField>

        <ResponseField name="open_rate" type="number">
          `opened_count / sent_count` as a float 0–1
        </ResponseField>

        <ResponseField name="click_rate" type="number">
          `clicked_count / sent_count` as a float 0–1
        </ResponseField>

        <ResponseField name="reply_rate" type="number">
          `replied_count / sent_count` as a float 0–1
        </ResponseField>
      </Expandable>
    </ResponseField>
  </Expandable>
</ResponseField>

<CodeGroup>
  ```bash cURL theme={null}
  curl https://data.leadlex.com/functions/v1/api-gateway/v1/campaigns/cmp_abc123/stats \
    -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}/stats",
      headers={"Authorization": f"Bearer {API_KEY}"},
  )
  stats = response.json()["data"]["stats"]
  print(f"Open rate: {stats['open_rate']:.1%}")
  ```

  ```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}/stats`,
    { headers: { 'Authorization': 'Bearer wbk_your_api_key_here' } }
  );
  const { data } = await response.json();
  console.log(`Open rate: ${(data.stats.open_rate * 100).toFixed(1)}%`);
  ```
</CodeGroup>

### Example Response

```json theme={null}
{
  "data": {
    "stats": {
      "sent_count": 1247,
      "opened_count": 612,
      "clicked_count": 143,
      "replied_count": 89,
      "bounced_count": 12,
      "unsubscribed_count": 4,
      "open_rate": 0.491,
      "click_rate": 0.115,
      "reply_rate": 0.071
    }
  }
}
```

## 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                 |