POST
/
v1
/
files
cURL
curl -X POST "https://api.anthropic.com/v1/files" \
     -H "x-api-key: $ANTHROPIC_API_KEY" \
     -H "anthropic-version: 2023-06-01" \
     -H "anthropic-beta: files-api-2025-04-14" \
     -F "file=@/path/to/document.pdf"
{
  "created_at": "2023-11-07T05:31:56Z",
  "downloadable": false,
  "filename": "<string>",
  "id": "<string>",
  "mime_type": "<string>",
  "size_bytes": 1,
  "type": "file"
}
A API de Arquivos permite que você faça upload e gerencie arquivos para usar com a API Claude sem ter que fazer re-upload do conteúdo a cada solicitação. Para mais informações sobre a API de Arquivos, consulte o guia do desenvolvedor para arquivos.
A API de Arquivos está atualmente em beta. Para usar a API de Arquivos, você precisará incluir o cabeçalho de recurso beta: anthropic-beta: files-api-2025-04-14.Entre em contato através do nosso formulário de feedback para compartilhar sua experiência com a API de Arquivos.

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.

Body

multipart/form-data
​
file
file
required

The file to upload

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
enum<string>
required

Object type.

For files, this is always "file".

Available options:
TitleConst
Typefile
​
downloadable
boolean
default:false

Whether the file can be downloaded.