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    List Files

    FileListPageResponse Beta.Files.List(FileListParams?parameters, CancellationTokencancellationToken = default)
    GET/v1/files

    List Files

    ParametersExpand Collapse
    FileListParams parameters
    string afterID

    Query param: ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately after this object.

    string beforeID

    Query param: ID of the object to use as a cursor for pagination. When provided, returns the page of results immediately before this object.

    Long limit

    Query param: Number of items to return per page.

    Defaults to 20. Ranges from 1 to 1000.

    maximum1000
    minimum1
    IReadOnlyList<AnthropicBeta> betas

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

    "message-batches-2024-09-24"MessageBatches2024_09_24
    "prompt-caching-2024-07-31"PromptCaching2024_07_31
    "computer-use-2024-10-22"ComputerUse2024_10_22
    "computer-use-2025-01-24"ComputerUse2025_01_24
    "pdfs-2024-09-25"Pdfs2024_09_25
    "token-counting-2024-11-01"TokenCounting2024_11_01
    "token-efficient-tools-2025-02-19"TokenEfficientTools2025_02_19
    "output-128k-2025-02-19"Output128k2025_02_19
    "files-api-2025-04-14"FilesApi2025_04_14
    "mcp-client-2025-04-04"McpClient2025_04_04
    "mcp-client-2025-11-20"McpClient2025_11_20
    "dev-full-thinking-2025-05-14"DevFullThinking2025_05_14
    "interleaved-thinking-2025-05-14"InterleavedThinking2025_05_14
    "code-execution-2025-05-22"CodeExecution2025_05_22
    "extended-cache-ttl-2025-04-11"ExtendedCacheTtl2025_04_11
    "context-1m-2025-08-07"Context1m2025_08_07
    "context-management-2025-06-27"ContextManagement2025_06_27
    "model-context-window-exceeded-2025-08-26"ModelContextWindowExceeded2025_08_26
    "skills-2025-10-02"Skills2025_10_02
    "fast-mode-2026-02-01"FastMode2026_02_01
    ReturnsExpand Collapse
    class FileListPageResponse:
    required IReadOnlyList<FileMetadata> Data

    List of file metadata objects.

    required string ID

    Unique object identifier.

    The format and length of IDs may change over time.

    required DateTimeOffset CreatedAt

    RFC 3339 datetime string representing when the file was created.

    required string Filename

    Original filename of the uploaded file.

    required string MimeType

    MIME type of the file.

    required Long SizeBytes

    Size of the file in bytes.

    JsonElement Type "file"constant

    Object type.

    For files, this is always "file".

    Boolean Downloadable

    Whether the file can be downloaded.

    string? FirstID

    ID of the first file in this page of results.

    Boolean HasMore

    Whether there are more results available.

    string? LastID

    ID of the last file in this page of results.

    List Files
    FileListParams parameters = new();
    
    var page = await client.Beta.Files.List(parameters);
    await foreach (var item in page.Paginate())
    {
        Console.WriteLine(item);
    }
    Response 200
    {
      "data": [
        {
          "id": "id",
          "created_at": "2019-12-27T18:11:19.117Z",
          "filename": "x",
          "mime_type": "x",
          "size_bytes": 0,
          "type": "file",
          "downloadable": true
        }
      ],
      "first_id": "first_id",
      "has_more": true,
      "last_id": "last_id"
    }
    Returns Examples
    Response 200
    {
      "data": [
        {
          "id": "id",
          "created_at": "2019-12-27T18:11:19.117Z",
          "filename": "x",
          "mime_type": "x",
          "size_bytes": 0,
          "type": "file",
          "downloadable": true
        }
      ],
      "first_id": "first_id",
      "has_more": true,
      "last_id": "last_id"
    }

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