Transaction Testing

Quick Reference for Common Error Codes and Meanings

To facilitate your verification of different payment result processing flows in the test environment, Checus provides simulated payment capabilities and test case support.

Specific test processes and rules will vary depending on your integration method (such as checkout, API, etc.) and the type of selected payment method. Please refer to the corresponding instructions for testing based on your actual integration scenario.

Result Simulation Page

In Checkout Mode and API Mode - Non-Card Payment Methods, after initiating a payment request, you will enter the result simulation page where you can choose to simulate different payment results (test environment does not actually charge, only validates format, not account authenticity):

Payment Success: Display success page and trigger server-side success callback;
Payment Failure: Display failure page, trigger failure callback after clicking "Close";
Payment Processing: Display processing page, no callback triggered.

Designated Test Card Information

When testing card payment flows in all modes, please use the test card information provided by Checus.

Card Organization	Country	Card Number	Name	Expiry (MM/YY)	CVV
Visa	Universal	4444333322221111	James Smith	03/26	123
Master	Universal	5555555555554444	Allen Black	11/26	357
Visa	Kazakhstan	4003075252881173	Olivia Thompson	12/30	303
Master	Kazakhstan	5167301901150490	Ethan Martinez	10/32	708
Uzcard	Uzbekistan	8600557399028865	Sophia Wilson	03/33	443
Humocard	Uzbekistan	9860127687192063	Liam Patel	11/33	635

Fixed Amount Limits

When testing API Mode - Card Payments, please refer to the table below to set specific transaction amounts to simulate different payment results. Ensure the set amount is within the limit range of the selected payment method.

Simulation Type	Transaction Amount Setting (Local Currency)	Simulation Behavior Description
Success	Any amount except the following amounts	Directly return payment success status
Failure	Fixed amounts: 15, 500, 1.12, 20000, 25000	Return payment failure status
Payment Processing	Fixed amounts: 6, 60, 600, 16000	Return payment processing status (no callback)
3DS Simulation Authentication	Fixed amount: 222	Enter 3DS page success → payment success/failure → payment failure