Keep your app as it is,
and add NFC tap-to-pay
Your existing app and payment infrastructure stay exactly as they are,
while NFC delivers a simpler, more extensible service experience.
The simplest way to add NFC to your existing app
You can add NFC with just an SDK integration, without building a new app or a complex system.
Supports both iOS and Android
One solution adapts flexibly to both iOS and Android environments.
Simple SDK integration
Add the NFC features you need quickly while keeping your app architecture intact.
Use your existing infrastructure
Use the terminals and systems you already have to keep the cost of adoption low.
We connect your app and in-store terminals
Integrate the SDK into your app, and update the NFC terminals in your stores just once.
Your app
Touch&Go SDK integrationIntegrate the SDK into your existing app. You keep running your app screens and payment methods as they are.
Supported terminals
One-time firmware updateStore terminals are updated once through our partners. No hardware is replaced.
Existing payment system
Approval flow unchangedPayment approval is handled by the same payment system you already use. There is no new system to build.
Add tap-to-pay next to your QR screen
Keep your existing QR and barcode payments, and let customers choose NFC tap on the same payment screen.
QR / barcode payment
- 01Open the app
- 02Display the payment code
- 03Show the code to the terminal or the clerk
- 04Scan, then payment is complete
NFC tap-to-pay
- 01Launch the app with a shortcut button
- 02Tap your smartphone on the terminal
- 03Payment complete
Proven technology and supported scope
- Supported OS
- Supports both iOS and Android.
- Terminal integration
- We work with more than 75% of major Korean VAN companies and more than 90% of payment equipment manufacturers. We integrate with each manufacturer’s card terminals, POS systems, and kiosks.
- How it is applied
- Integrate the SDK into your app, and update the firmware of your NFC terminals just once.
- Security
- We do not store sensitive payment data.
- Quality and standards
- We hold GS Certification Grade 1, Korea’s nationally accredited software quality certification, and are compatible with EMV standard terminals.
- Intellectual property
- We hold 4 registered Korean patents and 1 registered overseas patent.
- Commercialization
- Live and in operation in the Woori WON Pay app.
Adoption takes four steps
- 01
Environment review
We review your app architecture, payment methods, and the terminals at the merchants where it will be applied.
- 02
SDK integration
We integrate the SDK into your app and build the NFC payment screen.
- 03
Testing
We verify payment success and processing speed in a test environment and on real terminals.
- 04
Go-live
We update terminals through our partners and open the service.
NFC for every part of daily life
From retail to mobility, NFC can connect more payment environments.
Retail
Convenience stores · Supermarkets · Unmanned stores
F&B
Cafés · Restaurants · Food courts
Campus
Universities · Cafeterias · On-campus shops
Mobility
Public transit · Taxis · Mobility services
Digital assets
On-chain direct payment · Offline payment