Upload file

POST /files

Upload a file that can be used across various endpoints. Individual files can be up to 512 MB, and the size of all files uploaded by one organization can be up to 100 GB.

The Assistants API supports files up to 2 million tokens and of specific file types. See the Assistants Tools guide for details.

The Fine-tuning API only supports .jsonl files. The input also has certain required formats for fine-tuning chat or completions models.

The Batch API only supports .jsonl files up to 100 MB in size. The input also has a specific required format.

Please contact us if you need to increase these storage limits.

multipart/form-data

Body Required

file string(binary) Required

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

The intended purpose of the uploaded file.

Use "assistants" for Assistants and Message files, "vision" for Assistants image file inputs, "batch" for Batch API, and "fine-tune" for Fine-tuning.

Values are assistants, batch, fine-tune, or vision.
Additional properties are NOT allowed

Responses

200 application/json

OK
Hide response attributes Show response attributes object
- 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 string Required
  
  The object type, which is always file.
  
  Value is file.
- purpose string Required
  
  The intended purpose of the file. Supported values are assistants, assistants_output, batch, batch_output, fine-tune, fine-tune-results and vision.
  
  Values are assistants, assistants_output, batch, batch_output, fine-tune, fine-tune-results, or vision.
- status string Required Deprecated
  
  Deprecated. The current status of the file, which can be either uploaded, processed, or error.
  
  Values are uploaded, processed, or error.
- status_details string Deprecated
  
  Deprecated. For details on why a fine-tuning training file failed validation, see the error field on fine_tuning.job.

POST /files

curl \
 -X POST https://api.openai.com/v1/files \
 -H "Authorization: Bearer $ACCESS_TOKEN" \
 -H "Content-Type: multipart/form-data" \
 -F "file=@file" \
 -F "purpose=assistants"

Response examples (200)

{
  "id": "string",
  "bytes": 42,
  "created_at": 42,
  "filename": "string",
  "object": "file",
  "purpose": "assistants",
  "status": "uploaded",
  "status_details": "string"
}