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API Reference
Realtime
Calls

Refer call

POST/realtime/calls/{call_id}/refer

Transfer an active SIP call to a new destination using the SIP REFER verb.

Path ParametersExpand Collapse
call_id: string
Body ParametersJSONExpand Collapse
target_uri: string

URI that should appear in the SIP Refer-To header. Supports values like tel:+14155550123 or sip:agent@example.com.

Refer call

curl https://api.openai.com/v1/realtime/calls/$CALL_ID/refer \
    -H 'Content-Type: application/json' \
    -H "Authorization: Bearer $OPENAI_API_KEY" \
    -d '{
          "target_uri": "tel:+14155550123"
        }'
Returns Examples