Get File Metadata

get /v1/files/{file_id}

Get File Metadata

Path Parameters

• file_id: string

  ID of the File.

Header Parameters

• "anthropic-beta": optional array of AnthropicBeta

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

  • string

  • "message-batches-2024-09-24" or "prompt-caching-2024-07-31" or "computer-use-2024-10-22" or 22 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"

Returns

• FileMetadata object { id, created_at, filename, 5 more }

  • id: string

    Unique object identifier.

    The format and length of IDs may change over time.

  • created_at: string

    RFC 3339 datetime string representing when the file was created.

  • filename: string

    Original filename of the uploaded file.

  • mime_type: string

    MIME type of the file.

  • size_bytes: number

    Size of the file in bytes.

  • type: "file"

    Object type.

    For files, this is always "file".

    • "file"

  • downloadable: optional boolean

    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: string

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

    • type: "session"

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

      • "session"

Example

curl https://api.anthropic.com/v1/files/$FILE_ID \
    -H 'anthropic-version: 2023-06-01' \
    -H 'anthropic-beta: files-api-2025-04-14' \
    -H "X-Api-Key: $ANTHROPIC_API_KEY"

Response

{
  "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"
  }
}