ANanthropics

Upload File

Changed on
post/v1/files

Request

  • Base URL
    https://api.anthropic.com
  • Auth
    none declared

Headers

anthropic-versionstring

The version of the Claude API you want to use.

Read more about versioning and our version history here.

anthropic-workspace-idstring

Optional header to select the Workspace for this request. The value is a Workspace ID (for example, wrkspc_011CZkZaBF1tNoB5wlCeusgy).

Only needed for credentials that can act on more than one Workspace. A credential that belongs to a specific Workspace may omit it; if sent, it must match that Workspace.

Request body multipart/form-data

filestring binary required

The file to upload. Only the final path component of the part's filename is kept; an absent or empty filename is replaced with unnamed plus the extension for the file's stored mime_type, when known.

expires_in_secondsinteger

Seconds from upload until the file expires and its bytes become permanently unavailable. Must be between 3600 (one hour) and 7776000 (ninety days).

Response

Successful Response

created_atstring date-time required

RFC 3339 datetime string representing when the file was created.

downloadableboolean

Whether the file can be downloaded.

expires_atstring date-time nullable

RFC 3339 datetime string representing when the file will expire and become unavailable for download. Null if the file does not expire. For files uploaded with expires_in_seconds, this is the upload time plus that value.

filenamestring required

Original filename of the uploaded file.

idstring required

Unique object identifier.

The format and length of IDs may change over time.

mime_typestring required

MIME type of the file.

size_bytesinteger required

Size of the file in bytes.

type'file' required

Object type.

For files, this is always "file".

Example response

{
  "created_at": "2025-04-15T18:37:24.100435Z",
  "expires_at": "2025-05-15T18:37:24.100435Z",
  "filename": "document.pdf",
  "id": "file_011CNha8iCJcU1wXNR6q4V8w",
  "mime_type": "application/pdf",
  "size_bytes": 102400
}

Changes

  • 6f4e5cc4aeedRevision changes
    • breaking

      the response's property type changed from no type to object for status

    • info

      added the optional property / to the response with the status

    • info

      removed discriminator from response property for the response status

    • info

      removed from the response property oneOf list for the response status

    • info

      added the required property / to the response with the status

    • info

      added the required property / to the response with the status

  • 4789294140a2Revision changes
    • info

      added the new optional header request parameter anthropic-workspace-id

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status

    • info

      added the non-success response with the status