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Test every payment scenario

No gateway sandbox needed — MockCard gives you deterministic responses and signed webhook events for every scenario. Build your full test suite before you touch Stripe, Razorpay, or any live gateway.

Success

Approved transaction

Insufficient Funds

Card balance too low

Do Not Honor

Issuer blocked charge

Expired Card

Card past expiry

Incorrect CVV

CVV mismatch

3DS Challenge

Redirect authentication

Network Timeout

Gateway no response

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