Zernio
Zernio
API Reference

Creatives

List a catalog's product setsGETList Meta product catalogsGETCreative libraryGETAd image libraryGETAd video libraryGETCreate a standalone creativePOSTCreative detailsGETDirect video and image URLs for an adGETRender previews of an existing adGETRename a creativePUTDelete a creativeDELETEDelete an ad videoDELETERender pre-create ad previewsPOSTUpload an ad image from base64POSTUpload an ad videoPOST
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Creatives

Creative details

One creative's details, verbatim from Meta. fields is a raw-passthrough override of the default projection.

PlatformsMeta
GET
/v1/ads/creatives/{creativeId}

Authorization

bearerAuth
AuthorizationBearer <token>

API key authentication - use your Zernio API key as a Bearer token

In: header

Path Parameters

creativeId*string

Platform creative id

Query Parameters

accountId*string

Zernio SocialAccount id (posting or ads variant) used to resolve the Meta token.

fields?string

Comma-separated Graph field override (supports nested {} projections).

Response Body

application/json

application/json

{  "creative": {}}
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Create a standalone creative

Creates a creative in the library WITHOUT an ad, reusable on the create endpoints via `existingCreativeId`. Provide exactly one of `imageUrl` (uploaded server-side), `imageHash` (from POST /v1/ads/images or the library list), or `carouselCards` (2-10 hand-built cards). The Page (and linked Instagram account, when present) is resolved from `accountId` as the story actor.

Direct video and image URLs for an ad

Returns the direct signed URLs for every video and image asset used by an ad's live creative, normalised across shapes: single image/video, carousel, Reels/Story (`object_story_spec.video_data`) and dynamic creative (`asset_feed_spec`). Video items include Meta's poster thumbnail and the video's Meta id when available. Reads Meta live rather than the stored creative blob because Meta's signed fbcdn URLs carry an `oe=<hex>` expiration (image_url ~24 h, video source ~12 d). Treat URLs as short-lived — re-fetch this endpoint before serving or downloading assets instead of caching URLs beyond that window.