# UpdateAdRequestBudget
## Properties
**amount** | Option<**f64**> | Minimum varies by platform: TikTok=$20, Pinterest=$5, others=$1 | [optional]
**r#type** | Option<**Type**> | OpenAI Ads accepts both and sets the campaign's single spend cap, replacing the previous daily or lifetime cap. A daily cap cannot go back to lifetime (422). (enum: daily, lifetime) | [optional]
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