# Download a thread attachment

Returns Location with a short-lived signed storage URL. Fetch the Location without forwarding your Hoplite credential. With media=inline the response streams bytes instead.

`GET /api/threads/{id}/attachments/{artifactId}`

Required permission: `thread:read`.

## Parameters

| Name | In | Type | Required | Description |

| --- | --- | --- | --- | --- |

| `id` | path | `string` | Yes | — |

| `artifactId` | path | `string` | Yes | — |

| `media` | query | `string` | No | — |

## Example request

```bash
curl --request GET \
  --url https://api.hoplite.sh/api/threads/id/attachments/artifactId \
  --header "X-Api-Key: $HOPLITE_API_KEY"
```

## 200 response

Attachment bytes when media=image or media=inline; Content-Type reflects the stored object

Content type: `application/octet-stream`. Response type: `string<binary>`.

```text

```

## Response headers

| Header | Type | Statuses | Description |

| --- | --- | --- | --- |

| `x-request-id` | `string` | `200`, `302`, `400`, `401`, `402`, `403`, `404`, `409`, `410`, `429`, `500`, `501`, `503` | Request correlation ID. |

| `RateLimit` | `string` | `200`, `302`, `400`, `401`, `402`, `403`, `404`, `409`, `410`, `429`, `500`, `501`, `503` | Current ingress policy, remaining requests, and seconds until reset, for example `"ingress";r=599;t=60`. |

| `RateLimit-Policy` | `string` | `200`, `302`, `400`, `401`, `402`, `403`, `404`, `409`, `410`, `429`, `500`, `501`, `503` | Ingress quota and window, for example `"ingress";q=600;qu="requests";w=60`. |

| `X-RateLimit-Limit` | `integer` | `200`, `302`, `400`, `401`, `402`, `403`, `404`, `409`, `410`, `429`, `500`, `501`, `503` | Maximum requests allowed in the current rolling window. |

| `X-RateLimit-Remaining` | `integer` | `200`, `302`, `400`, `401`, `402`, `403`, `404`, `409`, `410`, `429`, `500`, `501`, `503` | Requests remaining in the current rolling window. |

| `X-RateLimit-Reset` | `integer` | `200`, `302`, `400`, `401`, `402`, `403`, `404`, `409`, `410`, `429`, `500`, `501`, `503` | Unix timestamp when the current rolling window resets. |

| `Content-Type` | `string` | `200` | — |

| `Location` | `string<uri>` | `302` | — |

| `Retry-After` | `integer` | `429`, `503` | Seconds until another request should be attempted. |

| `X-Retry-After` | `integer` | `429`, `503` | Legacy retry delay in seconds. |

## Status codes

- `200` — Attachment bytes when media=image or media=inline; Content-Type reflects the stored object

- `302` — Fetch Location without forwarding Hoplite credentials

- `400` — Invalid request. Validation responses include field paths.

- `401` — The API key is missing, invalid, or lacks the operation's permission.

- `402` — The organization does not have access to the requested product capability.

- `403` — The key's current user no longer has the required organization membership or role.

- `404` — The resource is not available in the authenticated scope.

- `409` — The request conflicts with a retry receipt or current resource state.

- `410` — The event cursor has expired; capture a fresh head and resource snapshot.

- `429` — The API-key rate limit has been exceeded.

- `500` — The API encountered an unexpected failure.

- `501` — The deployment has not configured the requested capability.

- `503` — A required API dependency, including the rate limiter, is unavailable.