List Files

beta.files.list() -> SyncPage[FileMetadata]

get/v1/files

List Files

ParametersExpand Collapse

after_id: Optional[str]

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

before_id: Optional[str]

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

limit: Optional[int]

Number of items to return per page.

Defaults to 20. Ranges from 1 to 1000.

maximum1000

minimum1

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.

List Files

import os
from anthropic import Anthropic

client = Anthropic(
    api_key=os.environ.get("ANTHROPIC_API_KEY"),  # This is the default and can be omitted
)
page = client.beta.files.list()
page = page.data[0]
print(page.id)

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"
}

List Files

beta.files.list() -> SyncPage[FileMetadata]

get/v1/files

List Files

ParametersExpand Collapse

after_id: Optional[str]

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

before_id: Optional[str]

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

limit: Optional[int]

Number of items to return per page.

Defaults to 20. Ranges from 1 to 1000.

maximum1000

minimum1

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.

List Files

import os
from anthropic import Anthropic

client = Anthropic(
    api_key=os.environ.get("ANTHROPIC_API_KEY"),  # This is the default and can be omitted
)
page = client.beta.files.list()
page = page.data[0]
print(page.id)

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"
}