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CartModules: Halyk Bank Payment Gateway
Accept payments from customers in Kazakhstan through Halyk Bank, the country's largest and most trusted bank. This addon integrates the Halyk Bank e-commerce payment gateway with your CS-Cart store using the modern REST API with OAuth2 authentication.
No card data touches your server. Customers are redirected to Halyk Bank's secure hosted payment page for card entry and 3D Secure verification, keeping your store PCI SAQ A compliant.Key Features
OAuth2 Authentication
Secure bearer token authentication using client credentials grant. Tokens are obtained per-transaction for maximum security.
3D Secure Support
Full 3DS verification handled natively on the Halyk Bank payment page, reducing fraud and chargebacks.
Server-to-Server Callbacks
Reliable order status updates via server notification URL, ensuring orders are processed even if the customer closes their browser.
Signature Verification
SHA-256 signature verification on all callbacks prevents unauthorized status changes and payment tampering.
Sandbox Mode
Test your integration risk-free using the Halyk Bank sandbox environment before going live.
Custom Status Mapping
Map Halyk Bank payment statuses (approved, declined, pending) to any CS-Cart order status of your choice.
How It Works
1 Customer selects Halyk Bank at checkout and clicks "Place order" 2 The addon authenticates with Halyk Bank and creates a payment session 3 Customer is redirected to the Halyk Bank secure payment page 4 Customer enters card details and completes 3D Secure verification 5 Customer is redirected back to your store with the payment result 6 The addon verifies the signature, confirms the payment status, and updates the orderConfiguration
| Setting | Description |
|---|---|
| Payment Mode | Toggle between Test (Sandbox) and Live (Production) environments |
| Merchant ID (Terminal ID) | Your Terminal ID provided by Halyk Bank |
| Secret Key | Shared secret key for OAuth2 authentication and callback signature verification |
| Status: Approved | CS-Cart order status when payment is authorized or charged (default: Processed) |
| Status: Declined | CS-Cart order status when payment is rejected (default: Failed) |
| Status: Pending | CS-Cart order status when payment is pending (default: Open) |
Security
- SSL/TLS verification enforced on all API communications
- No card data stored or transmitted through your server (PCI SAQ A)
- SHA-256 callback signature verification prevents tampering
- OAuth2 bearer tokens used for API authentication
- Sensitive data (API keys, tokens, secrets) stripped from all logs
- Idempotent callback handling prevents duplicate order processing
- All input parameters type-cast and sanitized
- Parameterized database queries prevent SQL injection
Requirements
| CS-Cart Version | 4.x (Ultimate or Multi-Vendor) |
| PHP Version | 7.1 or higher |
| SSL Certificate | Required (for callback URLs) |
| Halyk Bank Account | E-commerce merchant account with API credentials |
| Currency | KZT (Kazakhstani Tenge) |
Installation
- Go to Add-ons > Manage add-ons, click Manual installation, and upload the addon zip
- Activate the addon and enter the license key
- Navigate to Administration > Payment methods and add a new payment method
- Select "Halyk Bank Payment Gateway" as the processor
- Enter your Merchant ID and Secret Key
- Save and start accepting payments
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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