POST
/
files
Upload a file
curl --request POST \
  --url https://api.openai.com/v1/files \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: multipart/form-data' \
  --form purpose=assistants \
  --form file=@example-file
{
  "id": "<string>",
  "bytes": 123,
  "created_at": 123,
  "expires_at": 123,
  "filename": "<string>",
  "object": "file",
  "purpose": "assistants",
  "status": "uploaded",
  "status_details": "<string>"
}

Authorizations

​
Authorization
string
header
required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

multipart/form-data
​
file
file
required

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

​
purpose
enum<string>
required

The intended purpose of the uploaded file. One of: - assistants: Used in the Assistants API - batch: Used in the Batch API - fine-tune: Used for fine-tuning - vision: Images used for vision fine-tuning - user_data: Flexible file type for any purpose - evals: Used for eval data sets

Available options:
assistants,
batch,
fine-tune,
vision,
user_data,
evals

Response

200 - application/json

OK

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

​
id
string
required

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

​
bytes
integer
required

The size of the file, in bytes.

​
created_at
integer
required

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

​
filename
string
required

The name of the file.

​
object
enum<string>
required

The object type, which is always file.

Available options:
file
​
purpose
enum<string>
required

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

Available options:
assistants,
assistants_output,
batch,
batch_output,
fine-tune,
fine-tune-results,
vision
​
status
enum<string>
required
deprecated

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

Available options:
uploaded,
processed,
error
​
expires_at
integer

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

​
status_details
string
deprecated

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