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resources/realtime/subresources/calls/methods/reject/index.md 2026-09-16 22:58 UTC to 2026-09-18 22:59 UTC

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2026
Fri 18 22:59

For the complete documentation index, see llms.txt. Markdown versions of documentation pages are available by appending .md to the page URL.

Reject call

post /realtime/calls/{call_id}/reject

Decline an incoming SIP call by returning a SIP status code to the caller.

Path Parameters

  • call_id: string

Body Parameters

  • status_code: optional number

    SIP response code to send back to the caller. Defaults to 603 (Decline) when omitted.

Example

curl https://api.openai.com/v1/realtime/calls/$CALL_ID/reject \
    -X POST \
    -H "Authorization: Bearer $OPENAI_API_KEY"

Example

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