Step 5: Test Your Unified Checkout Integration

Set up your test environment:
Log in to the
Business Center
account using your test credentials.
Switch to the test environment if not already in test mode.
Set up a test website or application that integrates
Unified Checkout
.
Use test card numbers to simulate different payment scenarios.
ADDITIONAL INFORMATION
Here are some example test card numbers you can use:
Common Card Test Numbers
Card Type	Card Number	Expiration Date	Card Verification Number
American Express	378282246310005	03/2026	7890
Mastercard	5555555555554444	02/2026	265
Visa	4111111111111111	12/2025	123
For more test payment data, see the Test Payment Details section of the
Unified Checkout
Developer Guide.
Test different payment scenarios:
ADDITIONAL INFORMATION
Successful transactions
Declined transactions
3-D Secure
authentication, if applicable
Different card brands
Digital wallet payments, if configured
Verify the capture context and token handling.
ADDITIONAL INFORMATION
Ensure that your integration correctly handles the capture context and transient tokens throughout the payment process.
Test error handling and edge cases.
ADDITIONAL INFORMATION
Simulate various error scenarios to ensure your integration gracefully handles and reports errors to the user.
Verify webhook notifications, if configured.
ADDITIONAL INFORMATION
If you set up webhook notifications, ensure that your system correctly receives and processes them for various transaction events.

AFTER COMPLETING THE TASK