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Accept Payments via NHN KCP (South Korea)
Integrate NHN KCP, South Korea's leading payment gateway, with your CS-Cart store. Accept credit cards, bank transfers, virtual accounts, and mobile payments from Korean customers with HMAC-SHA256 signature authentication and comprehensive response code handling.
Key Features
- Multiple Payment Methods — Credit cards, bank transfers, virtual accounts, mobile payments
- HMAC-SHA256 Authentication — Cryptographic signature on all API requests
- Callback Verification — Signature validation on all payment callbacks
- Transaction Inquiry — Verify payment status via KCP inquiry API
- Response Codes — Detailed handling of 20+ KCP response codes
- Test Mode — Full sandbox support for development and testing
- Order Status Mapping — Map payment outcomes to your CS-Cart order statuses
How It Works
- Customer selects NHN KCP at checkout
- Customer is redirected to KCP's hosted payment page
- Customer selects payment method and completes payment
- KCP processes the payment and sends signed callback
- Your store verifies the callback and confirms the order
Requirements
- CS-Cart 4.x (Multi-Vendor or Ultimate)
- PHP 7.1+
- NHN KCP merchant account
- Site Code and Site Key from NHN KCP portal
Setup
- Install the addon in CS-Cart
- Get your Site Code and Site Key from NHN KCP merchant portal
- Add a new payment method in CS-Cart and enter your credentials
- Start accepting payments from Korean customers
Compatibility
- CS-Cart 4.x, Multi-Vendor, Ultimate
- PHP 7.1, 7.2, 7.3, 7.4, 8.0, 8.1, 8.2, 8.3+
- Currency: KRW (Korean Won)
Payment type
One-time payment
Product
- Store Builder
- Store Builder Ultimate
- Multi-Vendor
- Multi-Vendor Plus
- Multi-Vendor Ultimate
Compatible versions
- 4.20.1
- 4.19.1.SP2
- 4.19.1.SP1
- 4.19.1
- 4.18.4
- 4.18.3
- 4.18.2.SP1
- 4.18.2
- 4.18.1.SP1
- 4.18.1
- 4.17.2.SP3
- 4.17.2.SP2
- 4.17.2.SP1
- 4.17.2
- 4.17.1
- 4.16.2
- 4.16.1
- 4.15.2
- 4.15.1.SP4
- 4.15.1.SP3
- 4.15.1.SP2
- 4.15.1.SP1
- 4.15.1
- 4.14.3
- 4.14.2.SP1
- 4.14.2
- 4.14.1.SP1
- 4.14.1
- 4.13.3
- 4.13.2.SP2
- 4.13.2.SP1
- 4.13.2
- 4.13.1
- 4.12.2
- 4.12.1
- 4.11.5
- 4.11.4
- 4.11.3
- 4.11.2
- 4.11.1
- 4.10.4.SP1
- 4.10.4
- 4.10.3
- 4.10.2
- 4.10.1
- 4.9.3
- 4.9.2
- 4.9.1
- 4.8.2
- 4.7.4
- 4.6.3
Localizations
- English
Contact information
Email
Phone
+91-96538-49089
Website
CartModules is an authorised CS-Cart reseller in India and a CS-Cart development specialist since 2014. We have delivered 250+ projects for businesses in 20+ countries and publish 125+ solutions on the CS-Cart Marketplace, all developed and maintained in-house.
What we are known for
Integrations. We help merchants connect CS-Cart with the platforms and services they already use.
Marketplace Connectors. Connect CS-Cart Multi-Vendor with Shopify, WooCommerce, Wix, PrestaShop, Shopware 6, Squarespace, Square and Ecwid through individual connectors, all managed from one place with Shop Connector Manager.
Payments. 90 payment gateway add-ons covering regional methods and buy-now-pay-later, including Tabby, Tamara, Afterpay, Sezzle, Affirm, Almapay, Takbull, Windcave, aamarPay and Atmos.
Shipping. 14 shipping integrations including ShipStation, Shippo, Smart Shipping & Fulfillment Manager, Aramex, DTDC, Ekart, Shiprocket, Safexpress, UPS and Purolator.
Search and AI. Algolia AI Instant Search and AI Store Copilot.
What we do
- CS-Cart Store and Multi-Vendor Marketplace Development
- Custom Add-on Development
- Third-Party API and Service Integrations
- Marketplace Connectors
- Multi-Store Development
- CS-Cart Version Upgrades
- Migration to CS-Cart
- Custom Themes and UI/UX Development
- Mobile App Development
- Payment and Shipping Integrations
- Server Support, Maintenance and Performance Optimization
Support
Every CartModules add-on is maintained by the team that developed it, so technical support and updates come directly from us. We also offer a 30-day money-back guarantee on every CartModules add-on.
Need a custom CS-Cart solution?
sales@cartmodules.com
| +91 96538 49089
| cartmodules.com
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