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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

Display: 99.99 USD

Test Cards
Click to copy card numbers
Payment Scenarios
Select a scenario to simulate different payment outcomes
Scenario Details

Flow Steps:

  1. 1Submit payment with valid card
  2. 2Receive immediate success response
  3. 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