GET
/
v1
/
files
/
{file_id}
cURL
curl "https://api.anthropic.com/v1/files/file_011CNha8iCJcU1wXNR6q4V8w" \
     -H "x-api-key: $ANTHROPIC_API_KEY" \
     -H "anthropic-version: 2023-06-01" \
     -H "anthropic-beta: files-api-2025-04-14"
{
  "created_at": "2023-11-07T05:31:56Z",
  "downloadable": false,
  "filename": "<string>",
  "id": "<string>",
  "mime_type": "<string>",
  "size_bytes": 1,
  "type": "<string>"
}
Files API 允許您上傳和管理檔案以與 Claude API 一起使用，而無需在每次請求時重新上傳內容。有關 Files API 的更多資訊，請參閱檔案開發者指南。
Files API 目前處於測試版階段。要使用 Files API，您需要包含測試版功能標頭：anthropic-beta: files-api-2025-04-14。請透過我們的回饋表單與我們聯繫，分享您使用 Files API 的體驗。

Headers

​
anthropic-beta
string[]

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

To use multiple betas, use a comma separated list like beta1,beta2 or specify the header multiple times for each beta.

​
anthropic-version
string
required

The version of the Claude API you want to use.

Read more about versioning and our version history here.

​
x-api-key
string
required

Your unique API key for authentication.

This key is required in the header of all API requests, to authenticate your account and access Anthropic's services. Get your API key through the Console. Each key is scoped to a Workspace.

Path Parameters

​
file_id
string
required

ID of the File.

Response

Successful Response

​
created_at
string<date-time>
required

RFC 3339 datetime string representing when the file was created.

​
filename
string
required

Original filename of the uploaded file.

Required string length: 1 - 500
​
id
string
required

Unique object identifier.

The format and length of IDs may change over time.

​
mime_type
string
required

MIME type of the file.

Required string length: 1 - 255
​
size_bytes
integer
required

Size of the file in bytes.

Required range: x >= 0
​
type
string
required

Object type.

For files, this is always "file".

Allowed value: "file"
​
downloadable
boolean
default:false

Whether the file can be downloaded.