Payer Authentication — Sandbox Testing

The CyoGate sandbox supports full 3DS2 testing including frictionless flows and challenge simulations.

Sandbox Configuration

CyoGateGateway.ThreeDS.configure({
  environment: 'sandbox',
  publicKey: 'YOUR_SANDBOX_PUBLIC_KEY',
});

Simulating a Challenge

Use test card 4012888888881881 to trigger the challenge flow. The challenge screen appears — enter any 6-digit code to simulate a successful challenge.

Sandbox OTP Codes

OTP Code	Result
Any 6 digits	Authentication success
000000	Authentication failed
111111	Authentication abandoned