VNSwitch has two separate environments. Data, keys and webhook settings do not cross between them.

EnvironmentBase URLMoney moves?Use it for
Sandboxhttps://sandbox.api.vnswitch.nivc.aiNoDevelopment, automated tests, demos
Productionhttps://api.vnswitch.nivc.aiYesReal customers

Test cards

In the sandbox, use these card details. Any cardholder name works.

Card numberExpiryCVCResult
424242424242424212 / 2030123Payment succeeds

Other outcomes (declines, 3-D Secure challenges) depend on the sandbox providers enabled for your account. Ask for the list that matches your setup.

Vietnamese payment methods

Local methods such as VietQR, NAPAS cards and bank-account payments are delivered through Vietnamese providers.

Availability depends on the payment providers enabled for your account. Contact info@nivc.ai.