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Containers
Files

Create container file

client.containers.files.create(stringcontainerID, FileCreateParams { file, file_id } body, RequestOptionsoptions?): FileCreateResponse { id, bytes, container_id, 4 more }
POST/containers/{container_id}/files

Create a Container File

You can send either a multipart/form-data request with the raw file content, or a JSON request with a file ID.

ParametersExpand Collapse
containerID: string
body: FileCreateParams { file, file_id }
file?: Uploadable

The File object (not file name) to be uploaded.

file_id?: string

Name of the file to create.

ReturnsExpand Collapse
FileCreateResponse { id, bytes, container_id, 4 more }
id: string

Unique identifier for the file.

bytes: number

Size of the file in bytes.

container_id: string

The container this file belongs to.

created_at: number

Unix timestamp (in seconds) when the file was created.

object: "container.file"

The type of this object (container.file).

path: string

Path of the file in the container.

source: string

Source of the file (e.g., user, assistant).

Create container file

import OpenAI from 'openai';

const client = new OpenAI({
  apiKey: process.env['OPENAI_API_KEY'], // This is the default and can be omitted
});

const file = await client.containers.files.create('container_id');

console.log(file.id);
{
  "id": "cfile_682e0e8a43c88191a7978f477a09bdf5",
  "object": "container.file",
  "created_at": 1747848842,
  "bytes": 880,
  "container_id": "cntr_682e0e7318108198aa783fd921ff305e08e78805b9fdbb04",
  "path": "/mnt/data/88e12fa445d32636f190a0b33daed6cb-tsconfig.json",
  "source": "user"
}
Returns Examples
{
  "id": "cfile_682e0e8a43c88191a7978f477a09bdf5",
  "object": "container.file",
  "created_at": 1747848842,
  "bytes": 880,
  "container_id": "cntr_682e0e7318108198aa783fd921ff305e08e78805b9fdbb04",
  "path": "/mnt/data/88e12fa445d32636f190a0b33daed6cb-tsconfig.json",
  "source": "user"
}