Upload File

Developing

POST

/v1/files

Upload files that can be used across various endpoints/functions. The total size of all files uploaded by an organization can be up to 100 GB.

The maximum size for a single file is 512 MB. Please refer to the Assistant Tools Guide for more information on supported file types. The Fine-tuning API only supports .jsonl files.

If you need to increase these storage limits, please contact us.

Request

Authorization

Provide your bearer token in the

Authorization

header when making requests to protected resources.

Example:

Authorization: Bearer ********************

Header Params

Body Params multipart/form-data

Request Code Samples

Shell

JavaScript

Java

Swift

PHP

Python

HTTP

Objective-C

Ruby

OCaml

Dart

curl --location --request POST '/v1/files' \
--header 'Authorization: Bearer <token>' \
--form 'file=@""' \
--form 'purpose="fine-tune"'

Responses

🟢200Success

application/json

Body

Example

{
  "id": "file-BK7bzQj3FfZFXr7DbL6xJwfo",
  "object": "file",
  "bytes": 120000,
  "created_at": 1677610602,
  "filename": "mydata.jsonl",
  "purpose": "fine-tune",
}

Modified at 2025-07-23 10:01:53

Delete fine-tuned model

Delete file