How Can Real-Estate Automation Improve Lead Response Time?

import asyncio
from datetime import datetime, timezone
import httpx

async def dispatch_sub_60s_blitz(lead_id: str, phone: str, first_name: str, property_address: str):
    """Executes multi-channel engagement cadence within 60 seconds of portal webhook."""
    headers = {"Authorization": "Bearer SEC_TOKEN_RE_AUTOMATION"}
    
    # Step 1: Sub-15s Personalized Conversational SMS
    sms_payload = {
        "to": phone,
        "body": f"Hi {first_name}, this is Sarah with Peak Realty. Saw your inquiry on {property_address}. "
                "Would you like to walk through this weekend, or can I send you the HOA inspection report?"
    }
    async with httpx.AsyncClient(timeout=5.0) as client:
        await client.post("https://api.twilio.com/2010-04-01/Accounts/AC_KEY/Messages.json", json=sms_payload)

    # Step 2: 30s Wait, then Outbound Voice Agent Launch
    await asyncio.sleep(30)
    
    voice_payload = {
        "lead_id": lead_id,
        "destination_phone": phone,
        "caller_name": first_name,
        "property_context": property_address,
        "voice_agent_id": "agent_re_fast_response_v2"
    }
    async with httpx.AsyncClient(timeout=5.0) as client:
        await client.post("https://api.retellai.com/v2/create-phone-call", headers=headers, json=voice_payload)

    return {"status": "dispatched", "lead": lead_id, "channels": ["sms", "ai_voice"]}