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Each page below documents a single creative manifest operation — request, parameters, response shape, and errors. For campaign-scoped operations, a creative is a manifest nested under a campaign: a bundle of uploaded assets, an optional brief, brand info auto-resolved from the advertiser, and a target ADCP format. Those manifests propagate to media buys at execution time. A manifest can also be created at the advertiser level, before any campaign exists; it stays inert until it is assigned to a campaign. Managed-audio adoption creates, or idempotently returns, an audio_hosted creative from one promoted managed audio source. Its campaign association does not start seller or destination delivery, but adds it to every media buy on the campaign whose product accepts audio_hosted. For the conceptual model — manifest fields, asset types, format coverage, and tracking macros — see the Creative overview.
Creative manifests use snake_case field names (creative_id, campaign_id, format_id, template_id) because they pass through verbatim to the ADCP wire format — an intentional exception to v2’s camelCase convention.

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Collections

Manage advertiser creative collections

/advertisers/:id/creative-collections — named, non-executable groups of saved creatives with a revision check

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Manage

Start creative session

POST /campaigns/:id/creative-sessions — generate a reviewable draft gallery

Create creative manifest

POST /campaigns/:id/creatives/create — upload assets and create a manifest

Create advertiser creative master

POST /advertisers/:id/creatives/create — stage a creative before any campaign exists

Adopt a managed audio source

POST /creatives/adopt-managed-audio-source — adopt one promoted source; no seller, destination, or media-buy delivery

List creative manifests

GET /campaigns/:id/creativeManifest — compact summaries, filterable

Get creative manifest

GET /campaigns/:id/creatives/:creativeId — full manifest with assets

Update creative manifest

PUT /campaigns/:id/creatives/:creativeId — edit fields and manage assets

Delete creative manifest

DELETE /campaigns/:id/creatives/:creativeId — remove manifest and assets