curl -X POST 'https://api.openai.com/v1/uploads/upload_abc123/cancel' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

# POST /uploads/{upload_id}/cancel (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Last verified: 2026-10-20

> Cancel upload

## Critical Gotchas
* The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.
* Audio transcription uploads use multipart form data rather than a JSON request body.

## cURL
curl -X POST 'https://api.openai.com/v1/uploads/upload_abc123/cancel' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| upload_id | path | string | Yes | The ID of the Upload.  |

## Response example
{"id":"string","created_at":0}

---
Need an API key? Get one at https://platform.openai.com/api-keys

POST

POST /uploads/{upload_id}/cancel — OpenAI API

OpenAI API key (required); https://api.openai.com/v1

OpenAI API

Cancel upload

Base URL: https://api.openai.com/v1
Auth: Authorization: Bearer <OPENAI_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 158 tokens · Vary: Accept

Critical gotchas

The Responses API is the primary interface for new text and tool workflows; Chat Completions remains a separate compatibility API.

Audio transcription uploads use multipart form data rather than a JSON request body.

cURL

curl -X POST 'https://api.openai.com/v1/uploads/upload_abc123/cancel' \  -H "Authorization: Bearer $OPENAI_API_KEY"

Parameters

Name	In	Type	Required	Description
upload_id	path	string	Yes	The ID of the Upload.

Response 200 OK

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

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