---
title: "A2A Add Artifact"
method: POST
path: "/api/v1/a2a/tasks/{a2a_task_id}/artifacts"
---

# A2A Add Artifact

`POST /api/v1/a2a/tasks/{a2a_task_id}/artifacts`

## Request

- Base URL: `http://127.0.0.1:8052`
- URL: `http://127.0.0.1:8052/api/v1/a2a/tasks/{a2a_task_id}/artifacts`
- Auth: none declared

Attach an artifact to an A2A task.

## Path parameters

- `a2a_task_id` string, required

## Request body

- A2AArtifactRequest: Body for POST /a2a/tasks/{id}/artifacts - attach an artifact.
  - `name` string, required
  - `data` string
  - `content_type` string

## Response `201`

Successful Response

- A2AArtifactResponse: Single artifact in responses.
  - `name` string, required
  - `content_type` string, required
  - `data` string, required
  - `created_at` number, required

## Other responses

- `404`: A2A task not found
- `422`: Validation Error

---

[API](https://skmtc.dev/bernstein/apis/bernstein-task-server.md) · [All operations](https://skmtc.dev/bernstein/apis/bernstein-task-server/llms.txt) · [OpenAPI document](https://skmtc.dev/bernstein/apis/bernstein-task-server/revisions/2a20a34ad2eb?raw)