---
title: "Add an asset to a library"
method: POST
path: "/v1/libraries/{library_id}/items"
tags: ["Libraries"]
---

# Add an asset to a library

`POST /v1/libraries/{library_id}/items`

## Path parameters

- `library_id` string, required

## Headers

- `Idempotency-Key` string, required

## Request body

- AddLibraryItemRequest
  - `asset_id` string, required

## Response `202`

Library item accepted

- LibraryItemResponse
  - `request_id` string, required
  - `execution` Execution, required
    - `location` 'local' | 'cloud', required
    - `capability_id` string, nullable
    - `capability_version` string, nullable
  - `usage` Usage, required
    - `billable` boolean, required
    - `quantity` number, required
    - `unit` string, required
    - `credits` number
  - `warnings` string[], required
  - `data` LibraryItem, required
    - `id` string, required
    - `library_id` string, required
    - `asset_id` string, required
    - `status` 'pending' | 'processing' | 'ready' | 'failed', required
    - `enrichment` object, required
    - `created_at` string, date-time, required
    - `updated_at` string, date-time, required

## Other responses

- `default` — Standard Cerul error envelope

## Changes

- **2026-07-27** `c15615d54993` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/cerul-ai/apis/cerul-api/changes/v1/libraries/:library_id/items/post.md)

---

[API](https://skmtc.dev/cerul-ai/apis/cerul-api.md) · [All operations](https://skmtc.dev/cerul-ai/apis/cerul-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/cerul-ai/cerul-api/revisions/c15615d54993/schema)