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

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

> Cancel batch

## 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/batches/batch-id/cancel' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| batch_id | path | string | Yes | The ID of the batch to cancel. |

## Response example
{"id":"string","object":"batch"}

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

POST

POST /batches/{batch_id}/cancel — OpenAI API

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

OpenAI API

Cancel batch

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
→ 160 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/batches/batch-id/cancel' \  -H "Authorization: Bearer $OPENAI_API_KEY"

Parameters

Name	In	Type	Required	Description
batch_id	path	string	Yes	The ID of the batch to cancel.

Response 200 OK

{
  "id": "string",
  "object": "batch",
  "endpoint": "string",
  "model": "string",
  "errors": {
    "object": "string",
    "data": [
      {
        "code": "string",
        "message": "string",
        "param": "string",
        "line": 0
      }
    ]
  },
  "input_file_id": "string",
  "completion_window": "string",
  "status": "validating",
  "output_file_id": "string",
  "error_file_id": "string",
  "created_at": 0,
  "in_progress_at": 0,
  "expires_at": 0,
  "finalizing_at": 0,
  "completed_at": 0,
  "failed_at": 0,
  "expired_at": 0,
  "cancelling_at": 0,
  "cancelled_at": 0,
  "request_counts": {
    "total": 0,
    "completed": 0,
    "failed": 0
  },
  "usage": {
    "input_tokens": 0,
    "input_tokens_details": {
      "cached_tokens": 0
    },
    "output_tokens": 0,
    "output_tokens_details": {
      "reasoning_tokens": 0
    },
    "total_tokens": 0
  },
  "metadata": {}
}

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