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What a material is

A material is a registered video or audio file stored for Open API use. After the full material upload flow completes, you get a usable materialId to pass to tasks such as media translation. Do not use a materialId from an unfinished upload (for example, only gen-upload-url or multipart initiate). Materials are API-only — not shared with uploads on vmeg.ai. See Assets overview.

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Material type

The category field on a material describes the asset type, for example: Other fields on a material include name, CDN URLs (addressUrl, thumbnailUrl, audioUrl), mimeType, duration, and filesize. For every field and type, see the response body in List materials.

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Lifecycle

  1. Finish the full upload flow → registered materialId
  2. Reference that materialId in a product request
  3. List or delete when no longer needed

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Operations

Upload flows are on Material upload. Request and response fields: List materials, Delete material, and other Assets - Materials endpoints under the API reference tab.