Test Credit Card Numbers for Square Payments

Test Credit Card Numbers for Square:

Test cards

Brand
Number CVV Verification code
Visa 4111 1111 1111 1111 111 N/A
Visa EU 4310 0000 0020 1019 111 123456
Mastercard 5105 1051 0510 5100 111 N/A
Mastercard EU 5500 0000 0020 1016 111 123456
Discover 6011 0000 0000 0004 111
Discover EU 6011 0000 0020 1016 111 123456
Diners Club 3000 000000 0004 111 N/A
JCB 3569 9900 1009 5841 111 N/A
American Express 3400 000000 00009 1111 N/A
American Express EU 3700 000002 01014 1111 123456
China UnionPay 6222 9888 1234 0000 123 N/A
Square Gift Card 7783 3200 0000 0000 N/A N/A

 

Additional Resources: https://developer.squareup.com/docs/testing/test-values#sandbox-payments

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