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API Reference
Files

Retrieve file

client.files.retrieve(stringfileID, RequestOptionsoptions?): FileObject { id, bytes, created_at, 6 more }
GET/files/{file_id}

Returns information about a specific file.

ParametersExpand Collapse
fileID: string
ReturnsExpand Collapse
FileObject { id, bytes, created_at, 6 more }

The File object represents a document that has been uploaded to OpenAI.

id: string

The file identifier, which can be referenced in the API endpoints.

bytes: number

The size of the file, in bytes.

created_at: number

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

filename: string

The name of the file.

object: "file"

The object type, which is always file.

purpose: "assistants" | "assistants_output" | "batch" | 5 more

The intended purpose of the file. Supported values are assistants, assistants_output, batch, batch_output, fine-tune, fine-tune-results, vision, and user_data.

Accepts one of the following:
"assistants"
"assistants_output"
"batch"
"batch_output"
"fine-tune"
"fine-tune-results"
"vision"
"user_data"
Deprecatedstatus: "uploaded" | "processed" | "error"

Deprecated. The current status of the file, which can be either uploaded, processed, or error.

Accepts one of the following:
"uploaded"
"processed"
"error"
expires_at?: number

The Unix timestamp (in seconds) for when the file will expire.

Deprecatedstatus_details?: string

Deprecated. For details on why a fine-tuning training file failed validation, see the error field on fine_tuning.job.

Retrieve file

import OpenAI from 'openai';

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

const fileObject = await client.files.retrieve('file_id');

console.log(fileObject.id);
{
  "id": "id",
  "bytes": 0,
  "created_at": 0,
  "filename": "filename",
  "object": "file",
  "purpose": "assistants",
  "status": "uploaded",
  "expires_at": 0,
  "status_details": "status_details"
}
Returns Examples
{
  "id": "id",
  "bytes": 0,
  "created_at": 0,
  "filename": "filename",
  "object": "file",
  "purpose": "assistants",
  "status": "uploaded",
  "expires_at": 0,
  "status_details": "status_details"
}