> ## 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 Ad Group Bid

> Update the bid of an OpenAI Ads ad group

Update the bid of an OpenAI Ads ad group. Enter the bid in account currency, not micros.

| | |
| - | - |
| **App** | OpenAI Ads |
| **Operation ID** | `openai_ads_update_ad_group_bid` |
| **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 |
| - | - | - | - | - |
| `ad_group_id` | string or SelectableOption | Yes | - | Ad group ID to update (from openai\_ads\_list\_ad\_groups). |
| `billing_event_type` | string or SelectableOption | Yes | - | Bid / billing event type. Must match the parent campaign's objective: 'impression' for an impressions campaign, 'click' for both clicks and conversions campaigns (for a conversions/oCPC campaign the bid amount is the target CPA). |
| `strategy` | string or SelectableOption | No | - | Bidding strategy: 'fixed\_bid' (the default if omitted) bids the bid\_amount; 'maximize\_clicks' / 'maximize\_conversions' bid automatically, making bid\_amount optional. |
| `bid_amount` | number | No | - | Maximum bid in account currency, not micros. This value is converted to micros automatically before sending to the API. Required unless strategy is 'maximize\_clicks' or 'maximize\_conversions'. For a conversions (oCPC) campaign this is the target CPA per conversion. |
| `custom_audience_bid_multipliers` | array of OpenAIAdsAudienceBidMultiplier | No | - | Audience bid adjustments as objects or JSON. Omit to preserve existing adjustments; pass \[] to clear, including when switching to Maximize strategies. |

### OpenAIAdsAudienceBidMultiplier

| Field | Type | Required | Default | Description |
| - | - | - | - | - |
| `custom_audience_id` | string | Yes | - | |
| `bid_multiplier_micros` | integer | Yes | - | Multiplier in millionths: 1500000 is 1.5x. The API accepts 0.1x to 10x for eligible audiences. |

### SelectableOption

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

## Output

**Type**: `Dict`

Returns the updated ad group object exactly as returned by the OpenAI Ads API (id, name, status, bidding\_config, context\_hints, description, product\_set, campaign\_id, created\_at, updated\_at).

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

**Example**:

```json theme={"dark"}
{
  "id": "adgrp_...",
  "name": "US English",
  "status": "active",
  "bidding_config": {
    "billing_event_type": "click",
    "max_bid_micros": 5000000
  },
  "updated_at": 1735862400
}
```


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