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    Upload File

    beta.files.upload(FileUploadParams**kwargs) -> FileMetadata
    post/v1/files

    Upload File

    ParametersExpand Collapse
    file: FileTypes

    The file to upload

    formatbinary
    betas: Optional[List[AnthropicBetaParam]]

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

    Accepts one of the following:
    UnionMember0 = str
    UnionMember1 = Literal["message-batches-2024-09-24", "prompt-caching-2024-07-31", "computer-use-2024-10-22", 16 more]
    Accepts one of the following:
    "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"
    ReturnsExpand Collapse
    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.

    formatdate-time
    filename: str

    Original filename of the uploaded file.

    maxLength500
    minLength1
    mime_type: str

    MIME type of the file.

    maxLength255
    minLength1
    size_bytes: int

    Size of the file in bytes.

    minimum0
    type: Literal["file"]

    Object type.

    For files, this is always "file".

    Accepts one of the following:
    "file"
    downloadable: Optional[bool]

    Whether the file can be downloaded.

    Upload File
    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.upload(
        file=b"raw file contents",
    )
    print(file_metadata.id)
    Response 200
    {
      "id": "id",
      "created_at": "2019-12-27T18:11:19.117Z",
      "filename": "x",
      "mime_type": "x",
      "size_bytes": 0,
      "type": "file",
      "downloadable": true
    }
    Returns Examples
    Response 200
    {
      "id": "id",
      "created_at": "2019-12-27T18:11:19.117Z",
      "filename": "x",
      "mime_type": "x",
      "size_bytes": 0,
      "type": "file",
      "downloadable": true
    }

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