| Name | Type | Description | Notes |
|---|---|---|---|
| ad_account_id | string | Meta ad account id, e.g. `act_123456789`. Required by this endpoint but ignored for OpenAI Ads. | |
| name | string | ||
| default_event_type | string | OpenAI Ads only (ignored by Meta). When set, also provisions a standard conversion event setting wired to the new pixel, so `goal: conversions` ad creates on `POST /v1/ads/create` have an event to reference immediately. | [optional] |