curl -X POST 'https://api.openai.com/v1/webhook_endpoints' \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "example-name",
  "url": "https://example.com",
  "event_types": [
    "batch.completed"
  ]
}'

# POST /webhook_endpoints (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Request formats: application/json.
Last verified: 2026-09-18

> Create Webhook Endpoint

## 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/webhook_endpoints' \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "name": "example-name",
  "url": "https://example.com",
  "event_types": [
    "batch.completed"
  ]
}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| name | body | string | Yes | A human-readable name for the webhook endpoint. |
| url | body | string | Yes | The HTTPS URL that receives webhook deliveries. |
| event_types | body | string[] | Yes | The event types that trigger deliveries to this endpoint. |

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

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

POST

POST /webhook_endpoints — OpenAI API

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

OpenAI API

Create Webhook Endpoint

Base URL: https://api.openai.com/v1
Auth: Authorization: Bearer <OPENAI_API_KEY>
Last verified: 2026-09-18 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 233 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/webhook_endpoints' \  -H "Authorization: Bearer $OPENAI_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "name": "example-name",  "url": "https://example.com",  "event_types": [    "batch.completed"  ]}'

Parameters

Name	In	Type	Required	Description
name	body	string	Yes	A human-readable name for the webhook endpoint.
url	body	string	Yes	The HTTPS URL that receives webhook deliveries.
event_types	body	string[]	Yes	The event types that trigger deliveries to this endpoint.

Response 200 OK

{
  "id": "string",
  "object": "webhook_endpoint",
  "created_at": 0,
  "updated_at": 0,
  "name": "string",
  "url": "string",
  "event_types": [
    "string"
  ],
  "signing_secret_hint": "string",
  "signing_secret": "string"
}

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