> ## 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 amount and budget type of Microsoft Ads campaigns

Update the budget amount and budget type of Microsoft Ads campaigns.

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

## Inputs

| Field | Type | Required | Default | Description |
| - | - | - | - | - |
| `account` | object or array of object or MicrosoftAdsAccountItem or string or integer | Yes | - | Select the Microsoft Ads account that owns the campaigns to update. |
| `update_type` | string or SelectableOption | Yes | - | Choose whether to update the budget of a single campaign or multiple campaigns at once. Options: 'single' or 'bulk'. |
| `campaign_id` | string or SelectItem | No | - | The campaign ID whose budget to update. Required for single update. |
| `budget` | number or string | No | - | New budget amount in the account currency, as a plain number (e.g. 50). For DailyBudgetStandard/DailyBudgetAccelerated it is the daily cap; for LifetimeBudgetStandard it is the total spend across the campaign's run. Required for single update. |
| `budget_type` | string or SelectableOption | No | - | Budget pacing type, sent as the Microsoft technical value. 'DailyBudgetStandard': daily budget paced across the day, the default for most Search/Shopping/Performance Max campaigns. 'DailyBudgetAccelerated': spends the daily budget as fast as possible; only valid for Audience campaigns using unshared campaign-level budgets. 'LifetimeBudgetStandard': one budget distributed across the campaign's start and end dates, so the campaign must have those dates set. Required for single update. |
| `structured_data` | array (also accepts a comma-separated string) | No | - | Structured data with 'campaign\_id', 'budget', and 'budget\_type' fields for each row. Required for bulk update. |

### MicrosoftAdsAccountItem

| Field | Type | Required | Default | Description |
| - | - | - | - | - |
| `value` | string | Yes | - | |
| `label` | string | Yes | - | |
| `customerId` | string | No | - | The Microsoft Ads customer ID used for REST CustomerId headers. If omitted, it is resolved from the account ID. |

### 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**: `Dict`

Returns Microsoft Ads campaign budget update results.

**Fields**: `message`, `updated_count`, `results`


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