Payment Flow Lab

Test various payment scenarios including successful transactions, declines, 3D Secure verification, and edge cases. Practice handling payment webhooks and states.

Payment Configuration

Amount (cents)

Display: 99.99 USD

Currency

Test Cards

Click to copy card numbers

Payment Scenarios

Select a scenario to simulate different payment outcomes

Scenario Details

Flow Steps:

1Submit payment with valid card
2Receive immediate success response
3Order confirmation displayed

Automation Tips:

Assert on success message within 2 seconds
Verify order ID in confirmation
Check localStorage for receipt

Test card: 4242424242424242

Current Payment

No active payment

Select a scenario and click Process

Payment History

No payment history yet

Testing Tips

•Test idempotency by sending same request twice
•Check Network tab for API response structure
•Verify status codes: 200 success, 402 payment required, 429 rate limited
•Test double-submit prevention with rapid clicks