curl -X POST 'https://api.openai.com/v1/live/sessions/session-id/reject' \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "status_code": 486
}'

# POST /live/sessions/{session_id}/reject (OpenAI API)
Base URL: https://api.openai.com/v1
Auth: Authorization; OpenAI API key; required.
Request formats: application/json.
Last verified: 2026-10-20

> Reject call

## 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/live/sessions/session-id/reject' \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "status_code": 486
}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| session_id | path | string | Yes | Opaque Live session identifier from the creation response or incoming-call we... |
| status_code | body | integer | Yes | SIP rejection status sent to the caller. This field is required. |

## Response example
null

---
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POST

POST /live/sessions/{session_id}/reject — OpenAI API

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

OpenAI API

Reject call

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
→ 210 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/live/sessions/session-id/reject' \  -H "Authorization: Bearer $OPENAI_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "status_code": 486}'

Parameters

Name	In	Type	Required	Description
session_id	path	string	Yes	Opaque Live session identifier from the creation response or incoming-call webhook. Preserve the returned value unchanged, including its prefix.
status_code	body	integer	Yes	SIP rejection status sent to the caller. This field is required.

Response 200 OK

null

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