Realtime

curl --location -g --request POST 'ws://{{DOMAIN}}/v1/realtime?model=gpt-4o-realtime-preview-2024-10-01' \
--header 'OpenAI-Beta: realtime=v1' \
--header 'Authorization: Bearer {{api-key}}' \
--header 'Content-Type: application/json' \
--data-raw '{
    "event_id": "event_123",
    "type": "session.update",
    "session": {
        "modalities": [
            "text",
            "audio"
        ],
        "instructions": "Your knowledge cutoff is 2023-10. You are a helpful assistant.",
        "voice": "alloy",
        "input_audio_format": "pcm16",
        "output_audio_format": "pcm16",
        "input_audio_transcription": {
            "model": "whisper-1"
        },
        "turn_detection": {
            "type": "server_vad",
            "threshold": 0.5,
            "prefix_padding_ms": 300,
            "silence_duration_ms": 200
        },
        "tools": [
            {
                "type": "function",
                "name": "get_weather",
                "description": "获取指定城市的当前天气。",
                "parameters": {
                    "type": "object",
                    "properties": {
                        "city": {
                            "type": "string",
                            "description": "城市名称"
                        },
                        "unit": {
                            "type": "string",
                            "enum": [
                                "c",
                                "f"
                            ],
                            "default": "c"
                        }
                    },
                    "required": [
                        "city"
                    ]
                }
            }
        ],
        "tool_choice": "auto",
        "temperature": 0.8,
        "max_output_tokens": 1024
    }
}'