## Get attachment metadata

`attachments.retrieve(strattachment_id)  -> AttachmentRetrieveResponse`

**get** `/v3/attachments/{attachmentId}`

Retrieve metadata for a specific attachment including its status,
file information, and URLs for downloading.

### Parameters

- `attachment_id: str`

### Returns

- `class AttachmentRetrieveResponse: …`

  - `id: str`

    Unique identifier for the attachment (UUID)

  - `content_type: SupportedContentType`

    Supported MIME types for file attachments and media URLs.

    **Images:** image/jpeg, image/png, image/gif, image/heic, image/heif, image/tiff, image/bmp, image/svg+xml, image/webp, image/x-icon

    **Videos:** video/mp4, video/quicktime, video/mpeg, video/mpeg2, video/x-msvideo, video/3gpp

    **Audio:** audio/mpeg, audio/x-m4a, audio/x-caf, audio/x-wav, audio/x-aiff, audio/aac, audio/midi, audio/amr

    **Documents:** application/pdf, text/plain, text/markdown, text/vcard, text/rtf, text/csv, text/html, text/calendar, text/xml, application/json, application/msword, application/vnd.openxmlformats-officedocument.wordprocessingml.document, application/vnd.ms-excel, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-powerpoint, application/vnd.openxmlformats-officedocument.presentationml.presentation, application/x-iwork-pages-sffpages, application/x-iwork-numbers-sffnumbers, application/x-iwork-keynote-sffkey, application/epub+zip, application/zip, application/x-gzip

    **Transcoded on delivery:**

    - `audio/x-caf` — CAF files are transcoded to `audio/mp4` for delivery.

    **Deprecated (accepted but transcoded):**

    - `audio/mp3` — Deprecated. Use `audio/mpeg` instead. Files sent as audio/mp3 will be delivered as audio/mpeg.
    - `audio/mp4` — Deprecated. Use `audio/x-m4a` instead. Files sent as audio/mp4 will be delivered as audio/x-m4a.
    - `audio/aiff` — Deprecated. Use `audio/x-aiff` instead. Files sent as audio/aiff will be delivered as audio/x-aiff.
    - `image/tiff` — Accepted, but TIFF images are transcoded to JPEG for delivery.

    **Unsupported:** FLAC, OGG, and executable files are explicitly rejected.

    - `"image/jpeg"`

    - `"image/png"`

    - `"image/gif"`

    - `"image/heic"`

    - `"image/heif"`

    - `"image/tiff"`

    - `"image/bmp"`

    - `"image/svg+xml"`

    - `"image/webp"`

    - `"image/x-icon"`

    - `"video/mp4"`

    - `"video/quicktime"`

    - `"video/mpeg"`

    - `"video/mpeg2"`

    - `"video/x-m4v"`

    - `"video/x-msvideo"`

    - `"video/3gpp"`

    - `"audio/mpeg"`

    - `"audio/mp3"`

    - `"audio/x-m4a"`

    - `"audio/mp4"`

    - `"audio/x-caf"`

    - `"audio/x-wav"`

    - `"audio/x-aiff"`

    - `"audio/aiff"`

    - `"audio/aac"`

    - `"audio/midi"`

    - `"audio/amr"`

    - `"application/pdf"`

    - `"text/plain"`

    - `"text/markdown"`

    - `"text/vcard"`

    - `"text/rtf"`

    - `"text/csv"`

    - `"text/html"`

    - `"text/calendar"`

    - `"application/msword"`

    - `"application/vnd.openxmlformats-officedocument.wordprocessingml.document"`

    - `"application/vnd.ms-excel"`

    - `"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"`

    - `"application/vnd.ms-powerpoint"`

    - `"application/vnd.openxmlformats-officedocument.presentationml.presentation"`

    - `"application/x-iwork-pages-sffpages"`

    - `"application/x-iwork-numbers-sffnumbers"`

    - `"application/x-iwork-keynote-sffkey"`

    - `"application/epub+zip"`

    - `"text/xml"`

    - `"application/json"`

    - `"application/zip"`

    - `"application/x-gzip"`

  - `created_at: datetime`

    When the attachment was created

  - `filename: str`

    Original filename of the attachment

  - `size_bytes: int`

    Size of the attachment in bytes

  - `status: Literal["pending", "complete", "failed"]`

    Current upload/processing status

    - `"pending"`

    - `"complete"`

    - `"failed"`

  - `download_url: Optional[str]`

    URL to download the attachment

### Example

```python
import os
from linq import LinqAPIV3

client = LinqAPIV3(
    api_key=os.environ.get("LINQ_API_V3_API_KEY"),  # This is the default and can be omitted
)
attachment = client.attachments.retrieve(
    "abc12345-1234-5678-9abc-def012345678",
)
print(attachment.id)
```

#### Response

```json
{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "filename": "photo.jpg",
  "content_type": "image/jpeg",
  "size_bytes": 1024000,
  "status": "complete",
  "download_url": "https://cdn.linqapp.com/attachments/550e8400-e29b-41d4-a716-446655440000/photo.jpg",
  "created_at": "2024-01-15T10:30:00Z"
}
```