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

# Update Campaign Budget

> Update the budget of an OpenAI Ads campaign

Update the budget of an OpenAI Ads campaign. Enter the budget in account currency, not micros.

|                       |                                     |
| --------------------- | ----------------------------------- |
| **App**               | OpenAI Ads                          |
| **Operation ID**      | `openai_ads_update_campaign_budget` |
| **Type**              | Action                              |
| **Connection**        | `openai_ads` (required)             |
| **Credits per run**   | 1                                   |
| **Agent / MCP tool**  | Yes                                 |
| **Requires approval** | Yes (write operation)               |

## Inputs

| Field           | Type                       | Required | Default | Description                                                                                                                          |
| --------------- | -------------------------- | -------- | ------- | ------------------------------------------------------------------------------------------------------------------------------------ |
| `campaign_id`   | string or SelectableOption | Yes      | -       | Campaign ID to update (from openai\_ads\_list\_campaigns).                                                                           |
| `budget_type`   | string or SelectableOption | Yes      | -       | Budget type: 'daily' or 'lifetime'.                                                                                                  |
| `budget_amount` | number                     | Yes      | -       | Budget amount in your account currency, i.e. 50 for \$50. This value is converted to micros automatically before sending to the API. |

### SelectableOption

| Field   | Type   | Required | Default | Description |
| ------- | ------ | -------- | ------- | ----------- |
| `value` | string | Yes      | -       |             |
| `label` | string | Yes      | -       |             |

## Output

**Type**: `Dict`

Returns the updated campaign object exactly as returned by the OpenAI Ads API (id, name, status, budget, targeting, start\_time, end\_time, created\_at, updated\_at, etc.).

**Fields**: dynamic (depend on the inputs)

**Example**:

```json theme={"dark"}
{
  "id": "cmpn_...",
  "name": "Spring launch",
  "status": "active",
  "budget": {
    "lifetime_spend_limit_micros": 30000000
  },
  "updated_at": 1735862400
}
```