Testing Credit Card Purchases

Card Purchases

Coinflow provides a set of test credit cards that can be used to test a purchase on sandbox. You may use any address, name, and future expiration date with the below numbers and their corresponding CVVs to simulate a successful purchase. To simulate a failed purchase, set the card zipcode to 99999. To simulate a rejected chargeback protection decision, set the card zipcode to 00000. To simulate a fraud protection rejection, set the card zipcode to 00001.

Card	Card Number	CVV	Zipcode	Status
Visa	4242 4242 4242 4242	123	any	Success
Mastercard	5555 5555 5555 4444	123	any	Success
Discover	6011 0100 0000 0003	123	any	Success
American Express	3782 822463 10005	1234	any	Success
Visa	4242 4242 4242 4242	123	99999	Failed
Mastercard	5555 5555 5555 4444	123	99999	Failed
Discover	6011 0100 0000 0003	123	99999	Failed
American Express	3782 822463 10005	1234	99999	Failed

3DS Enabled Card Purchases

Merchants who have 3DS configured can use the below test cards on sandbox to test different 3DS challenge scenarios.
Note: When testing a friction challenge, you may use 1234 as the 2FA to simulate a success. To simulate a 3DS rejection, pass any other number as the 2FA code, for example: 105.

Card Number	CVV	Expiry Month	Expiry Year	Card	3DS Challenge Type	Tokenization Provider
5204 247 7500 01471	123	08	27	Mastercard	Frictionless Challenge	Basis Theory
4000 0200 0000 0000	123	08	27	Visa	Friction Challenge	Basis Theory
4055 0111 1111 1111	123	08	27	Visa	Friction Challenge Failure	Basis Theory
4264 2815 1111 2228	123	08	27	Visa	Rejection	Basis Theory
2303 7799 5100 0396	123	08	26	Mastercard	Frictionless Challenge	TokenEx
2303 7799 5100 0446	123	08	26	Mastercard	Friction Challenge	TokenEx
2303 7799 5100 0453	123	08	26	Mastercard	Friction Challenge Failure	TokenEx
2303 7799 5100 0347	123	08	26	Mastercard	Rejection	TokenEx

3DS Testing with Amounts

Alternatively, you can trigger specific 3DS scenarios using any test card by setting the last two digits of the subtotal (in cents) to specific values:

Subtotal Ends In	3DS Challenge Type	Example Subtotal
98	Friction Challenge Success	$9.98
97	Friction Challenge Failure	$10.97
96	Rejection	$7.96
Any other value	Frictionless Challenge	$5.50

This allows you to test different 3DS flows without needing to switch between different test card numbers.

Testing on Production

When testing in production it is important to adhere to the following guidelines:

Totals for testing transactions being $2+ per transaction
Not more than 1 purchase by same card in a 15 minute increment
Not more than 3 test transactions per card in a day

Failure to follow these guidelines could result in your production account being suspended.