> ## 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

> Updates the budget of Amazon Ads campaigns, one at a time or in bulk

Updates the budget of Amazon Ads campaigns, one at a time or in bulk.

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

## Inputs

| Field               | Type                                          | Required | Default                                | Description                                                                                                                                                   |
| ------------------- | --------------------------------------------- | -------- | -------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `account`           | DynamicAccount                                | Yes      | -                                      | Select the Amazon Ads profile to update campaign budgets in.                                                                                                  |
| `update_type`       | string or SelectableOption                    | Yes      | -                                      | Choose whether to update a single campaign budget or multiple at once. Options: single or bulk.                                                               |
| `budget_recurrence` | string or SelectableOption                    | No       | `{'value': 'DAILY', 'label': 'Daily'}` | How the budget recurs: DAILY, LIFETIME, or MONTHLY. Should match the campaign's existing budget recurrence. Applies to all rows in bulk mode. Default: DAILY. |
| `campaign_id`       | string or SelectItem                          | No       | -                                      | Amazon Ads campaign ID to update. Required for single update.                                                                                                 |
| `budget_value`      | number                                        | No       | -                                      | The new budget in the profile's currency (for example 100 for \$100; Amazon takes plain currency amounts, not micro-units). Required for single update.       |
| `structured_data`   | array (also accepts a comma-separated string) | No       | -                                      | Use only when update\_type is bulk. Required columns: campaign\_id and budget\_value (in the profile's currency). Up to 100 rows.                             |

### SelectItem

| Field   | Type   | Required | Default | Description                                                                                          |
| ------- | ------ | -------- | ------- | ---------------------------------------------------------------------------------------------------- |
| `value` | string | Yes      | -       | The value of the selectable item.                                                                    |
| `label` | string | Yes      | -       | The label of the selectable item, used for display purposes. If not provided, defaults to the value. |

### SelectableOption

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

## Output

**Type**: `str`

Returns success message confirming campaign budget update.