Use the credentials and test card numbers below to simulate payments in the sandbox environment. These only work in sandbox — use the Sandbox Dashboard and sandbox API keys. See the Sandbox Environment guide for setup details.
Card
Use these test cards to simulate successful and failed card payments in sandbox checkout.
Success
Failure
Card Installments
Use this test card to simulate a successful Card Installments payment in sandbox.
Klarna
Use these credentials when prompted during Klarna checkout in sandbox.
For more on Klarna integration and requirements, see Klarna FAQs.
PayPal
Use these credentials to test PayPal payments in sandbox.
These are sandbox-only credentials. Never use them in production or share them outside your testing workflow.
