Smart billing for modern retail — AI + IoT.

NexaBill unifies fast checkout, real-time cart verification (ESP32-CAM), and secure payments (Razorpay/PhonePe) with OTP-sealed receipts in a delightful, role-based experience.

Customer
Cashier
Admin
Open Data Hub

Live cart verification

ESP32-CAM counts items; mismatches trigger gentle prompts before payment.

Multiple inputs

Scan QR, speak product, or type — we match to inventory instantly.

Payments your way

Pay via Razorpay/PhonePe and receive a one-time password (OTP).

Verify & seal

Enter OTP to confirm; the bill is sealed and a PDF receipt is generated.

Three roles. One smooth flow.

Purpose-built apps for each role keep everyone fast, informed, and in sync.

C

Customer

  • Pick a mart and build your cart via QR / voice / text
  • See live totals, offers, and taxes in ₹
  • Pay securely, receive OTP + sealed receipt
K

Cashier

  • 6-digit verification to reveal the bill
  • Animated Verified/Rejected stamp
  • Items count match check (ESP32-CAM)
A

Admin

  • Manage mart details, bank/UPI, and products
  • Per-mart bill numbers (BILL#n) auto-increment
  • Analytics & fraud flags at a glance

How it works

Fewer steps, more assurance. Here’s the high-level flow:

1

Select mart

Choose your store; NexaBill pulls live inventory & policies.

2

Add products

Scan QR, speak, or type. Items and totals update instantly.

3

Pay & get OTP

Complete payment via Razorpay/PhonePe and receive a one-time password.

4

Verify OTP & seal

Enter OTP to confirm; the bill is sealed and a PDF receipt is generated.

About NexaBill

AI + IoT billing that’s fast, verifiable, and reliable.

Built for Indian retail: multi-input carting, ESP32-CAM item checks, and OTP-sealed payments — all synced across customer, cashier, and admin.

ESP32-CAM Verify
Real-time mismatch detection before pay.

OTP-sealed Bills
One-time approval seals the receipt.

Role-based Apps
Customer, Cashier, and Admin stay in sync.

Rohit Arer — Founder & Creator

Rohit Arer

Founder & Creator

Bio coming soon — paste your content here.

Abhay — Co-Founder

Abhay

Co-Founder

Bio coming soon — paste Abhay’s content here.

Let’s talk

Partnerships, pilots, or questions — we’d love to hear from you.

Email us

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