# Artifacts
> Create, upload, and retrieve artifacts produced by agent sessions

## List Artifacts Endpoint

`GET /artifacts`

List artifacts with optional filtering.

**Parameters:**
- `workflow_id` (query): string
- `phase_id` (query): string
- `artifact_type` (query): string
- `limit` (query): integer


## Create Artifact Endpoint

`POST /artifacts`

Create a new artifact.

**Request Body:** `CreateArtifactRequest`

**Response (201):** `CreateArtifactResponse`

## Get Artifact Endpoint

`GET /artifacts/{artifact_id}`

Get artifact details by ID.

**Parameters:**
- `artifact_id` (path) (required): string
- `include_content` (query): boolean

**Response (200):** `ArtifactResponse`

## Get Artifact Content Endpoint

`GET /artifacts/{artifact_id}/content`

Get artifact content only (for large artifacts).

**Parameters:**
- `artifact_id` (path) (required): string

**Response (200):** `ArtifactContentResponse`

## Upload Artifact Endpoint

`POST /artifacts/{artifact_id}/upload`

Upload binary content for an existing artifact (max 50 MB).

**Parameters:**
- `artifact_id` (path) (required): string

**Response (200):** `UploadArtifactResponse`