## Get File Metadata

`beta.files.retrieve_metadata(strfile_id, FileRetrieveMetadataParams**kwargs)  -> FileMetadata`

**get** `/v1/files/{file_id}`

Get File Metadata

### Parameters

- `file_id: str`

  ID of the File.

- `betas: Optional[List[AnthropicBetaParam]]`

  Optional header to specify the beta version(s) you want to use.

  - `str`

  - `Literal["message-batches-2024-09-24", "prompt-caching-2024-07-31", "computer-use-2024-10-22", 25 more]`

    - `"message-batches-2024-09-24"`

    - `"prompt-caching-2024-07-31"`

    - `"computer-use-2024-10-22"`

    - `"computer-use-2025-01-24"`

    - `"pdfs-2024-09-25"`

    - `"token-counting-2024-11-01"`

    - `"token-efficient-tools-2025-02-19"`

    - `"output-128k-2025-02-19"`

    - `"files-api-2025-04-14"`

    - `"mcp-client-2025-04-04"`

    - `"mcp-client-2025-11-20"`

    - `"dev-full-thinking-2025-05-14"`

    - `"interleaved-thinking-2025-05-14"`

    - `"code-execution-2025-05-22"`

    - `"extended-cache-ttl-2025-04-11"`

    - `"context-1m-2025-08-07"`

    - `"context-management-2025-06-27"`

    - `"model-context-window-exceeded-2025-08-26"`

    - `"skills-2025-10-02"`

    - `"fast-mode-2026-02-01"`

    - `"output-300k-2026-03-24"`

    - `"user-profiles-2026-03-24"`

    - `"advisor-tool-2026-03-01"`

    - `"managed-agents-2026-04-01"`

    - `"cache-diagnosis-2026-04-07"`

    - `"thinking-token-count-2026-05-13"`

    - `"server-side-fallback-2026-06-01"`

    - `"fallback-credit-2026-06-01"`

### Returns

- `class FileMetadata: …`

  - `id: str`

    Unique object identifier.

    The format and length of IDs may change over time.

  - `created_at: datetime`

    RFC 3339 datetime string representing when the file was created.

  - `filename: str`

    Original filename of the uploaded file.

  - `mime_type: str`

    MIME type of the file.

  - `size_bytes: int`

    Size of the file in bytes.

  - `type: Literal["file"]`

    Object type.

    For files, this is always `"file"`.

    - `"file"`

  - `downloadable: Optional[bool]`

    Whether the file can be downloaded.

  - `scope: Optional[BetaFileScope]`

    The scope of this file, indicating the context in which it was created (e.g., a session).

    - `id: str`

      The ID of the scoping resource (e.g., the session ID).

    - `type: Literal["session"]`

      The type of scope (e.g., `"session"`).

      - `"session"`

### Example

```python
import os
from anthropic import Anthropic

client = Anthropic(
    api_key=os.environ.get("ANTHROPIC_API_KEY"),  # This is the default and can be omitted
)
file_metadata = client.beta.files.retrieve_metadata(
    file_id="file_id",
)
print(file_metadata.id)
```

#### Response

```json
{
  "id": "file_011CNha8iCJcU1wXNR6q4V8w",
  "created_at": "2025-04-15T18:37:24.100435Z",
  "filename": "document.pdf",
  "mime_type": "application/pdf",
  "size_bytes": 102400,
  "type": "file",
  "downloadable": false,
  "scope": {
    "id": "id",
    "type": "session"
  }
}
```
