# Update content metadata

Updates the metadata of one or more content items without modifying the underlying binary file.

Request:
items                      - List of updates. Each item includes:
contentId               - ID of the content to update.
caption                  - Optional new caption.
description              - Optional new short description text.
extendedDescription     - Optional new extended description text.
image/video/document     - Optional replacement media dimension/duration properties.

Response:
items   - List of updated content items reflecting the applied metadata changes.

Endpoint: POST /api/v1/content/update
Version: 3.0
Security: bearerAuth

## Request fields (application/json):

  - `items` (array)

  - `items.contentId` (string)
    Rule data fields

  - `items.caption` (string)
    Rule data fields

  - `items.description` (any)

  - `items.extendedDescription` (any)

  - `items.image` (object)

  - `items.image.width` (integer)

  - `items.image.height` (integer)

  - `items.video` (object)

  - `items.video.durationMs` (integer)

  - `items.document` (object)

  - `items.document.pages` (integer)

## Response 200 fields (application/json):

  - `items` (array)

  - `items.contentId` (string)
    Rule data fields

  - `items.caption` (string)
    Rule data fields

  - `items.description` (any)

  - `items.extendedDescription` (any)

  - `items.image` (object)

  - `items.image.width` (integer)

  - `items.image.height` (integer)

  - `items.video` (object)

  - `items.video.durationMs` (integer)

  - `items.document` (object)

  - `items.document.pages` (integer)

## Response 400 fields (application/json):

  - `message` (string)

## Response 401 fields (application/json):

  - `message` (string)

## Response 403 fields (application/json):

  - `message` (string)

## Response 404 fields (application/json):

  - `message` (string)

## Response 409 fields (application/json):

  - `message` (string)

## Response 429 fields (application/json):

  - `message` (string)

## Response 499 fields (application/json):

  - `message` (string)

## Response 500 fields (application/json):

  - `message` (string)

## Response 501 fields (application/json):

  - `message` (string)

## Response 503 fields (application/json):

  - `message` (string)

## Response 504 fields (application/json):

  - `message` (string)