---
title: "Upload a Library artifact"
method: POST
path: "/library/artifacts"
---

# Upload a Library artifact

`POST /library/artifacts`

## Request

- Base URL: `https://api.agentsky.dev/v1`
- URL: `https://api.agentsky.dev/v1/library/artifacts`
- Auth: HTTP bearer

Save a file as a new artifact, as the web Library's upload does. Multipart form: `file`, `requestId` (a retry with the same id saves once) and optional `workspace` (a workspace key to place it in).

## Request body `multipart/form-data`

- object
  - `file` string, binary, required
  - `requestId` string, required
  - `workspace` string

## Response `201`

OK

- object
  - `artifact` object

## Other responses

- `400`: Error — { error: { code, message } }
- `401`: Error — { error: { code, message } }
- `403`: Error — { error: { code, message } }
- `404`: Error — { error: { code, message } }
- `413`: Error — { error: { code, message } }
- `default`: Error — { error: { code, message, request_id } }

## Changes

- **2026-11-02** `e5e8f0229a99`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/agentsky/apis/agentsky-developer-api/changes/library/artifacts/post.md)

---

[API](https://skmtc.dev/agentsky/apis/agentsky-developer-api.md) - [All operations](https://skmtc.dev/agentsky/apis/agentsky-developer-api/llms.txt) - [OpenAPI document](https://skmtc.dev/agentsky/apis/agentsky-developer-api/revisions/0d435187cd55?raw)