---
title: "Get asset metadata"
method: GET
path: "/api/assets/{id}"
tags: ["assets"]
---

# Get asset metadata

`GET /api/assets/{id}`

Returns the metadata for a single asset.

## Path parameters

- `id` string, uuid, required

## Response `200`

Asset metadata

- Asset — A registered asset — an input/output file tracked in the asset database with content hash and metadata.
  - `id` string, uuid, required — Unique identifier for the asset
  - `name` string, required — Name of the asset file
  - `hash` string, nullable — Blake3 content hash of the asset (preferred over asset_hash)
  - `asset_hash` string, nullable — Deprecated: use `hash` instead. Blake3 hash of the asset content.
  - `size` integer, required — Size of the asset in bytes
  - `mime_type` string — MIME type of the asset
  - `tags` string[] — Tags associated with the asset
  - `user_metadata` object — Custom user metadata
  - `metadata` object — System-managed metadata (read-only)
  - `preview_url` string, uri — URL for asset preview/thumbnail
  - `preview_id` string, uuid — ID of the preview asset if available
  - `prompt_id` string, uuid, nullable — Deprecated: use job_id instead. ID of the prompt that created this asset.
  - `job_id` string, uuid, nullable — ID of the job that created this asset
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required
  - `last_access_time` string, date-time
  - `is_immutable` boolean — Whether this asset is immutable

## Other responses

- `401` — Unauthorized
- `404` — Asset not found
- `500` — Internal server error

## Changes

- **2026-05-22** `09a5075587c8` — 3 info
  - api operation id `getAsset` removed and replaced with `getAssetById`
  - added the non-success response with the status `401`
  - added the non-success response with the status `500`
- **2026-05-19** `751ce8e3ddf2` — 2 warning
  - removed the optional property `height` from the response with the `200` status
  - removed the optional property `width` from the response with the `200` status
- **2026-05-08** `c9640fded659` — 2 breaking, 6 info
  - the response property `asset_hash` became nullable for the status `200`
  - the response property `prompt_id` became nullable for the status `200`
  - added the optional property `hash` to the response with the `200` status
  - added the optional property `height` to the response with the `200` status
  - …4 more
- **2026-04-24** `a66055fa384e` — 1 breaking, 5 warning, 8 info
  - removed the media type `application/json` for the response with the status `404`
  - removed the optional property `display_name` from the response with the `200` status
  - removed the optional property `file_path` from the response with the `200` status
  - removed the optional property `hash` from the response with the `200` status
  - …10 more

[Change history](https://skmtc.dev/comfy-org/apis/comfyui-api/changes/api/assets/:id/get.md)

---

[API](https://skmtc.dev/comfy-org/apis/comfyui-api.md) · [All operations](https://skmtc.dev/comfy-org/apis/comfyui-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/comfy-org/comfyui-api/revisions/09a5075587c8/schema)