Surge

The signal drops.

The payments don't.

Scan a QR. Pay offline. Through dead zones, packed crowds, and every venue's worst network day.

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9:41No signal
Surge

scan. pay. sync.

Surge Surge Group

Dead signal
Paid anyway.
Scan a QR, offline.

Scan to pay

Works offline

0 bars needed
Sale locked offline
SU
QR
V
O

Sale locks offline. Bank settle when signal returns — no wallet, no spinner at the stall.

Your Signal Is Down.
Our Business Model Doesn't Care.

We build offline QR UPI for the exact second your venue's signal dies. Fan locks the sale. Vendor sees it land. Bank settles when the network remembers how to network.

How it works FAQ

How it works

scan. pay. sync. — three beats, zero bars required at the stall.

1 · SCAN

Point at the vendor QR

No NFC. No card reader. Fan scans the stall QR — same motion you'd use for any UPI QR, built for dead zones.

2 · PAY (OFFLINE)

Phone signs & queues it

Payment is cryptographically signed on-device and locked in the queue. Fan and vendor both know the sale went through — signal optional.

3 · SYNC

Settle when signal returns

On reconnect, a one-time UPI Autopay mandate draws from the fan's bank and routes to the vendor. No Surge wallet. No top-up.

Still no signal We
Notifications
Ignore
Keeps working anyway
Down for everyone else
Signal

See the flow

Product UI mocks of the real path — not stock photos, not fake case studies.

9:41No signal

Align QR in frame

Scan

Vendor QR

Camera on the stall code. Works with 0 bars on the status bar.

9:41No signal

₹250

Queued · offline

Signed ed25519 · locked on device

Pay

Locked, not banked

Crypto-signed on phone. Sale is real for fan + vendor before any network hop.

9:48LTE
Merch Bar Settled

₹250

Cold Drinks Pending

₹120

Mandate draws · vendor payout routes

Sync

Settle on reconnect

Queue drains when signal returns. Paid vs pending stays honest the whole time.

What the product
is built for

Pre-launch — no fake user counts. These are design targets, not case-study stats.

0 Bars needed to lock a sale
<3s Scan → locked offline
₹0 Wallet top-up. Ever.

Burning Questions, Answered Before the Bar Runs Out

The stuff people actually ask us, minus the corporate answers.

Do I need signal for this to work?
Not at the stall. Scan a QR, phone signs the payment, sale locks offline. Settlement waits for signal — you don't.
Is the money in the vendor's bank instantly?
No — and we won't pretend it is. The sale locks offline so nobody argues at the counter. Bank settle runs when devices reconnect via UPI Autopay. Vendor sees paid vs pending the whole time.
Is this a wallet? Do I top up?
No wallet. No Surge cash. Fan authorizes a one-time UPI Autopay mandate; money pulls from their bank on settle. Vendor payouts don't sit in our account.
Tap-to-pay / NFC?
No. Scan a vendor QR. That's the whole interaction model: scan. pay. sync.
Does this work if I'm not a giant venue?
Merch table, bar cart, a guy with a fanny pack full of cash: if you're selling anything at an event with bad reception, Surge's for you. Pilots start small on purpose.
BUILT FOR BAD SIGNAL © 2026 SURGE