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cli/resources/files/methods/create/index.md 2026-07-07 08:02 UTC to 2026-07-09 20:58 UTC

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Upload file

$ openai files create

post /files

Upload file

Parameters

  • --file: string

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

  • --purpose: unknown

  • --expires-after: optional object { anchor, seconds }

    The expiration policy for a file. By default, files with purpose=batch expire after 30 days and all other files are persisted until they are manually deleted.

Returns

  • file_object: object { 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" or "assistants_output" or "batch" or 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.

      • "assistants"

      • "assistants_output"

      • "batch"

      • "batch_output"

      • "fine-tune"

      • "fine-tune-results"

      • "vision"

      • "user_data"

    • status: "uploaded" or "processed" or "error"

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

      • "uploaded"

      • "processed"

      • "error"

    • expires_at: optional number

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

    • status_details: optional string

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

Example

openai files create \
  --api-key 'My API Key' \
  --file 'Example data' \
  --purpose '{}'

Response

{
  "id": "id",
  "bytes": 0,
  "created_at": 0,
  "filename": "filename",
  "object": "file",
  "purpose": "assistants",
  "status": "uploaded",
  "expires_at": 0,
  "status_details": "status_details"
}