curl -X GET 'https://api.openai.com/v1/webhook_event_types' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

# GET /webhook_event_types (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Last verified: 2026-09-18

> List Webhook Event Types

## 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 GET 'https://api.openai.com/v1/webhook_event_types' \
  -H "Authorization: Bearer $OPENAI_API_KEY"

## Response example
{"object":"list","data":["string"]}

---
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GET

GET /webhook_event_types — OpenAI API

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

OpenAI API

List Webhook Event Types

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
→ 110 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 GET 'https://api.openai.com/v1/webhook_event_types' \  -H "Authorization: Bearer $OPENAI_API_KEY"

Parameters

No parameters.

Response 200 OK

{
  "object": "list",
  "data": [
    "string"
  ]
}

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