SmartPOS Firebase Live Ledger

Customer Udhar Passbook

Online Udhar Khata, Invoices & Instant UPI Payments

Loads store name, category and UPI VPA directly from Firestore.

Queries live outstanding balance and customer invoices.

Customer Direct Access URL Format:

/passbook?merchant=[MERCHANT_UID]&phone=[CUSTOMER_PHONE]

Customers opening their WhatsApp reminder link are automatically routed to their verified live passbook.

Connected to Firebase Firestore Project: smartpos-e31d3

Real-time Firestore Queries • KhataBook & Vyapar Style Passbook