Cardix is a premium Payment Testing & BIN Intelligence Platform designed for merchants to perform secure card diagnostics, Luhn validation, and lookup bin ranges offline.

What is a 2D card vs a 3D card?

A 2D card does not require an OTP (One-Time Password) or bank authentication to process transactions. A 3D card requires bank authentication (3D Secure) to process payments.

How does the Live Card Checker work?

The Live Card Checker tests card validity, detects 2D vs 3D secure configurations, and displays bank/brand information instantly.

Is the card checker secure?

Yes, card details entered in the Cardix platform are sent securely using encryption and are never stored on our servers.

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The Cardix Blog

Stay updated with developer guides, credit card processing tutorials, and security checklists.

All Articles Guides ($3)

The Ultimate Guide to BIN Checker Databases in Payment Systems

Guides

📅 Jun 13, 2026

The Ultimate Guide to BIN Checker Databases in Payment Systems

Understanding the Power of BIN/IIN Databases Every credit or debit card contains a wealth of structural metadata embedde...

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Understanding the Luhn Algorithm: How a Card Validator Works

Guides

📅 Jun 13, 2026

Understanding the Luhn Algorithm: How a Card Validator Works

The Mathematics of Card Verification: Modulus 10 Before any checkout attempt hits a banking network or charges a gateway...

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How IP and BIN Correlation Helps Merchants Prevent Chargebacks

Guides

📅 Jun 13, 2026

How IP and BIN Correlation Helps Merchants Prevent Chargebacks

Geographic Mismatch Indicators in Payment Risk For online businesses, chargebacks resulting from unauthorized card trans...

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