1. WhatsApp Business API

Detail	Value
Provider	Meta Cloud API v22.0
File	src/lib/whatsapp.ts
DB Tables	whatsapp_config, whatsapp_message_log
Message Types	Template, Text, Interactive, Media
Rate Limit	70 messages/second (Meta default)
Use Cases	Invoice delivery, payment reminders, visitor notifications, emergency alerts, broadcast
Encryption	Access token encrypted at rest via AES-256-GCM

// Usage
import { sendTemplateMessage, sendBulk } from './lib/whatsapp';

await sendTemplateMessage(phoneNumber, 'invoice_reminder', {
  flat_number: 'B-204',
  amount: '₹3,100',
  due_date: '15 Jul 2026'
});

// Bulk send with rate limiting
await sendBulk(recipients, templateName, variables, { batchSize: 50 });

2. UPI Payments

Detail	Value
File	src/lib/upi-qr.ts, src/routes/payments.ts
DB Tables	society_bank_accounts, payment_links, payment_reminders
Features	UPI deep link generation, QR code, wa.me sharing
UPI VPA Format	{vpa}@{bank} (e.g., greenvalley@hdfcbank)
QR Payload	NPCI UPI QR standard (merchant + amount + txn ref)

3. Razorpay

Detail	Value
File	src/lib/razorpay.ts
DB Tables	payments (gateway: RAZORPAY)
Features	Create order, verify payment, initiate refund
Payment Modes	UPI, Credit Card, Debit Card, Net Banking, Wallets

4. GST Compliance

Detail	Value
Files	src/lib/gstReturns.ts, src/lib/accounting.ts
DB Tables	gst_config (10 HSN/SAC codes), statutory_taxes
Returns	GSTR-1 (outward supplies), GSTR-3B (summary return)
Tax Types	CGST + SGST (intra-state), IGST (inter-state), CESS
HSN/SAC Codes	Pre-seeded for society maintenance services

5. TDS Compliance

Detail	Value
File	src/lib/accounting.ts
DB Tables	tds_config (7 sections), tds_returns, tds_deductees
Sections	194C (contractors), 194J (professional), and 5 more
Filing	Form 26Q quarterly TDS returns

6. Tally Export

Detail	Value
File	src/lib/tallyExport.ts
Formats	Tally 9/Prime XML (native import), CSV (spreadsheet)
Data	Chart of accounts, journal entries, invoices, payments, vendor bills

7. Park+ Integration (Planned)

Detail	Value
Status	Planned — requires Park+ partnership
APIs	Vehicle registration, RFID tag activation, entry/exit events, slot inventory
Hardware	Boom barriers, RFID tags (X+500 per society), ANPR cameras, smart meters
Features	Vehicle-to-flat mapping, FASTag parking payments, visitor parking, EV billing
Coverage	2,500+ sites, 1M+ RFID tags, 16+ cities

8. ANPR Camera Integration

Detail	Value
Endpoint	POST /v1/guard-agents/anpr/webhook
Flow	Camera detects plate → webhook → match against vehicles table → auto-approve residents / pending unknowns
DB Tables	vehicles, rfid_logs, vehicle_access_logs
Actions	Auto-open barrier for residents, flag unknowns for guard review, blacklist alerts

9. RFID Tag System

Detail	Value
Endpoint	POST /v1/parking/rfid/webhook
Flow	RFID reader scans tag → webhook → match against vehicles.rfid_tag_id → allowed/denied/blacklisted
DB Tables	rfid_logs (ALLOWED, DENIED, UNKNOWN_TAG, BLACKLISTED)

10. Aadhaar eSign

Detail	Value
Endpoint	POST /v1/governance/noc/:nocId/sign
DB Tables	document_signatures (PKI cert, request/response XML)
Use Case	Legally-binding NOC signing for flat sale/rent/move-out

11. Workers AI

Detail	Value
Binding	AI (built-in Cloudflare Workers AI)
Use Cases	7 AI agents, RAG search, MoM transcription, fraud detection, sentiment analysis
Vectorize	VECTOR_INDEX — RAG embedding index for bylaws, policies, legal docs

12. Cloudflare Queues

Detail	Value
Queue	societee-events-queue
Batch Size	100 messages, 5s timeout
Use Cases	Async billing runs, notification dispatch, audit log writes, AI task processing