Payment System Integration for OpenCart

Description

Incorrectly configured payment systems are one of the most common causes of lost orders in online stores. Three things are critical: reliable webhook processing from the payment gateway, automatic order status update after payment, and correct error display on failed payment.

We integrate Ukrainian and international payment systems with OpenCart and ocStore: LiqPay, WayForPay, Monobank (MonoPay), Fondy, PrivatPay, and others. Full integration includes a test transaction and verification of the complete payment cycle before production launch.

Integration Scope

• Installation and configuration of official or custom payment module
• API keys, secret keys, callback URL configuration
• Automatic order status update after webhook receipt
• Test transaction in sandbox mode to verify the full cycle
• Amount and currency display verification
• Email notifications for successful and failed payments

After Integration

We provide a payment status recognition guide for managers. If payment issues arise within a month due to our error — resolved at no charge.