Use the sandbox channel to simulate payment outcomes before production.
- Webhook keys, which start with the prefix wh_pk_ / wh_sk_ , receive simulated webhook notifications.
- API keys, starting with api_pk_ / api_sk_ , send API requests in the sandbox.
Test scenarios cover processing , success , and failed outcomes.
Cards
Open sandbox test cards for approvals, declines, 3DS, and card operations.
Card payments
Simulate card payment approvals, declines, 3DS challenges, and post-authorization operations using sandbox test card numbers and CVV details.
Wallets and alternative payments
Test wallet amount codes and alternative payment sandbox fields.
Digital wallets
Test Click to Pay, Apple Pay, and Google Pay in the sandbox without charging real funds.
Alternative payments
Validate PayPal amount codes and APM sandbox fields for method-specific checkout outcomes.