American Express (Amex) Generator

Generate valid American Express test card numbers with BIN prefixes 34 or 37. 15-digit Amex cards with 4-digit CVV for complete testing.

🔒 No Data Stored ⚡ Instant Results 🌐 1M+ Monthly Users 💯 100% Free

Generates all valid combinations for the BIN pattern instead of random ones. May produce up to 2000 results.

No signup • 100% free • Client-side

Quick Start American Express BINs:

Generated American Express Cards

About American Express Cards

American Express (Amex) cards are unique among major card networks. They start with 34 or 37 and are 15 digits long (not 16 like Visa/Mastercard). Amex also uses a 4-digit CVV instead of 3.

Common Amex BIN Prefixes:

  • 34xxxx — Amex cards (less common prefix)
  • 37xxxx — Amex cards (most common prefix)
  • 378282 — Stripe test Amex card
  • 371300 — Amex Green card
  • 371449 — Amex Gold/Platinum

Amex Card Characteristics:

  • Length: 15 digits (not 16)
  • CVV: 4 digits (printed on front, not back)
  • Starting digits: 34 or 37 only
  • Common card types: Green, Gold, Platinum, Centurion (Black)

Use Cases:

  • Testing Amex-specific payment flows
  • Validating 15-digit card number handling
  • Testing 4-digit CVV validation
  • Payment gateway integration (PayPal, Stripe, Square)

Note: For Stripe, use 3782 822463 10005 (official Amex test card)

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For Testing Only

Legal Use

This American Express card generator creates test card numbers with valid Luhn checksums. These numbers are for development and testing purposes only. They cannot be used for real transactions and have no monetary value.

Warning: Do not attempt to use these numbers for actual purchases or fraudulent activity. Use American Express official test cards for payment gateway integration testing.