BillMint
Lightning-fast offline-first GST billing, WhatsApp invoice delivery, and daily cashbook for Indian retail.
built for
Indian MSMEs, kirana stores, retail shops, wholesale distributors, and freelance contractors.
overview & purpose
BillMint is built for speed at the checkout counter. Engineered with an offline-first architecture, merchants can generate compliant GST invoices in under 3 seconds without waiting for slow internet, and instantly dispatch PDF bills directly to customer WhatsApp numbers.
core capabilities
3-Second GST Invoice Generation
Rapid barcode scanning, automated CGST/SGST/IGST tax calculation, and instant thermal receipt printing.
Direct WhatsApp PDF Delivery
Sends digital PDF invoices and UPI payment QR links directly to customers' WhatsApp, saving paper and printing costs.
100% Offline-First Architecture
Zero dependency on active internet connection. All sales, stocks, and ledgers work locally and auto-sync when online.
Daily Cashbook & Udhar (Credit) Ledger
Automated tracking of daily counter cash, customer credit balances, and automated payment reminder messages.
engineered with
architecture: Strict 5-Layer Clean Architecture with DTO Mappers and Offline-First Queue