The creatives that best match a description of what they show ("woman pouring iced coffee in a kitchen"), closest first, each as creatives.search lists it with `similarity`. It matches what the creative looks like, not its words: search the transcript and on-screen text with creatives.search `q`. Only creatives with an embedding are searched. A daily budget caps these searches across the API; past it the answer is 429 until the next UTC day.

The creatives that best match a description of what they show ("woman pouring iced coffee in a kitchen"), closest first, each as creatives.search lists it with similarity. It matches what the creative looks like, not its words: search the transcript and on-screen text with creatives.search q. Only creatives with an embedding are searched. A daily budget caps these searches across the API; past it the answer is 429 until the next UTC day. Scope creatives:read; cache daily.