# Update standalone upload owner

Change the owner of a standalone upload. Only works for uploads not yet attached to any entity. Requires authentication.

Endpoint: PUT /api/v1/uploads/{uploadId}/owner
Version: 1.0
Security: header

## Path parameters:

  - `uploadId` (string, required)
    UUID with type prefix
    Example: "us_01hxcvk1hjexere4pvtrj0ymqq"

## Request fields (application/json):

  - `newOwnerId` (string, required)
    New owner ID for the upload
    Example: "us_01hxcvk1hjexere4pvtrj0ymqq"

## Response 200 fields (application/json):

  - `uploadId` (string, required)
    Internal id
    Example: "us_01hxcvk1hjexere4pvtrj0ymqq"

  - `uploaderId` (string,null)
    User who physically uploaded this file. Null for platform-owned uploads (e.g., default covers). This is an audit/meta field — use ownerId for authorization.
    Example: "us_01hxcvk1hjexere4pvtrj0ymqq"

  - `ownerId` (string, required)
    Entity that owns this upload (user, channel/group, or event). TypeID prefix indicates the owner type.
    Example: "us_01hxcvk1hjexere4pvtrj0ymqq"

  - `attachedToId` (string,null)
    Entity this upload is attached to (e.g., a post or event). NULL for standalone uploads like avatars, covers, or media library items.
    Example: "us_01hxcvk1hjexere4pvtrj0ymqq"

  - `uploadType` (string, required)
    Type of the upload
    Enum: "VIDEO", "IMAGE", "AUDIO", "DOCUMENT", "OTHER"

  - `meta` (object)
    Meta data

  - `meta.blurhash` (string,null)

  - `meta.name` (string,null)

  - `meta.altText` (string,null)

  - `size` (integer, required)
    Size in bytes of all the files in this upload

  - `files` (array, required)
    List of all the files this upload has

  - `files.uri` (string,null, required)
    Full url of the file

  - `files.fileId` (string, required)
    File id
    Example: "us_01hxcvk1hjexere4pvtrj0ymqq"

  - `files.extension` (string, required)
    File extension
    Example: "mp4"

  - `files.original` (boolean, required)
    true if this file is original, false if it is a derivative

  - `files.meta` (object, required)
    File metadata. Contains optional values for width, height etc.

  - `files.meta.duration` (number,null)
    Video duration in seconds

  - `files.meta.width` (integer,null)
    Media width

  - `files.meta.height` (integer,null)
    Media height

  - `files.meta.codec` (string,null)
    Video codec

  - `files.meta.rotate` (integer,null)
    Rotation in degrees

  - `files.size` (integer, required)
    File size in bytes

  - `files.createdAt` (string, required)
    Example: "2022-03-10T16:15:50Z"

  - `files.updatedAt` (string, required)
    Example: "2022-03-10T16:15:50Z"

  - `files.type` (string, required)
    File type
    Enum: "VIDEO", "IMAGE", "AUDIO", "DOCUMENT", "OTHER"

  - `tags` (array, required)
    List of tags attached to upload
    Enum: "Post", "Avatar", "Header", "Album", "Emoji", "Event"

  - `error` (string,null)
    Upload processing error

  - `cached` (boolean)
    true if cached

  - `logs` (string,null)
    Logs

  - `remote` (boolean)
    true if this upload is remote

  - `createdAt` (string, required)
    Example: "2022-03-10T16:15:50Z"

  - `updatedAt` (string, required)
    Example: "2022-03-10T16:15:50Z"

## Response 400 fields (application/json):

  - `errorCode` (string, required)
    Error code

  - `message` (string, required)
    Error message

  - `docUrl` (string)
    Link to documentation

## Response 401 fields (application/json):

  - `errorCode` (string, required)
    Error code

  - `message` (string, required)
    Error message

  - `docUrl` (string)
    Link to documentation

## Response 403 fields (application/json):

  - `errorCode` (string, required)
    Error code

  - `message` (string, required)
    Error message

  - `docUrl` (string)
    Link to documentation

## Response 404 fields (application/json):

  - `errorCode` (string, required)
    Error code

  - `message` (string, required)
    Error message

  - `docUrl` (string)
    Link to documentation