> ## 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.

# Update Campaign

> Modify campaign settings such as send limits, tracking, and timezone

## Request

### Path Parameters

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

### Headers

```
Authorization: Bearer wbk_your_api_key_here
Content-Type: application/json
```

<Note>
  Requires an API key with the `campaigns:write` permission. All body fields are optional — include only fields you want to change.
</Note>

### Body Parameters

<ParamField body="name" type="string">
  Campaign name
</ParamField>

<ParamField body="description" type="string">
  Free-form description
</ParamField>

<ParamField body="daily_send_limit" type="integer">
  Maximum emails to send per day (1–500)
</ParamField>

<ParamField body="delay_between_emails" type="integer">
  Seconds to wait between sends within a day (min 30)
</ParamField>

<ParamField body="sending_timezone" type="string">
  IANA timezone (e.g., `Europe/Berlin`, `America/New_York`)
</ParamField>

<ParamField body="send_on_weekends" type="boolean">
  Whether sends are allowed on Saturday and Sunday
</ParamField>

<ParamField body="track_opens" type="boolean">
  Enable open tracking
</ParamField>

<ParamField body="track_clicks" type="boolean">
  Enable click tracking
</ParamField>

<ParamField body="show_unsubscribe" type="boolean">
  Append unsubscribe footer (recommended; required in some jurisdictions)
</ParamField>

## Response

<ResponseField name="data" type="object">
  <Expandable title="properties">
    <ResponseField name="campaign" type="object">
      Updated campaign object (same shape as `GET /v1/campaigns/{id}`)
    </ResponseField>
  </Expandable>
</ResponseField>

<CodeGroup>
  ```bash cURL theme={null}
  curl -X PATCH https://data.leadlex.com/functions/v1/api-gateway/v1/campaigns/cmp_abc123 \
    -H "Authorization: Bearer wbk_your_api_key_here" \
    -H "Content-Type: application/json" \
    -d '{
      "daily_send_limit": 75,
      "send_on_weekends": false
    }'
  ```

  ```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.patch(
      f"{BASE_URL}/v1/campaigns/{CAMPAIGN_ID}",
      headers={
          "Authorization": f"Bearer {API_KEY}",
          "Content-Type": "application/json",
      },
      json={"daily_send_limit": 75, "send_on_weekends": False},
  )
  ```

  ```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}`,
    {
      method: 'PATCH',
      headers: {
        'Authorization': 'Bearer wbk_your_api_key_here',
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({ daily_send_limit: 75, send_on_weekends: false }),
    }
  );
  ```
</CodeGroup>

### Example Response

```json theme={null}
{
  "data": {
    "campaign": {
      "id": "cmp_abc123",
      "name": "Q2 GC Outreach",
      "daily_send_limit": 75,
      "send_on_weekends": false,
      "updated_at": "2026-04-17T14:30:00Z"
    }
  }
}
```

## Errors

| Status | Code                       | Description                                 |
| ------ | -------------------------- | ------------------------------------------- |
| 400    | `invalid_timezone`         | `sending_timezone` is not a valid IANA zone |
| 400    | `invalid_send_limit`       | `daily_send_limit` out of range (1–500)     |
| 401    | `invalid_key`              | Invalid or expired API key                  |
| 403    | `insufficient_permissions` | Missing `campaigns:write` permission        |
| 404    | `campaign_not_found`       | No campaign with this ID                    |
| 429    | `rate_limited`             | Rate limit exceeded                         |