Payment is a critical step in the transaction process, which affects whether the order can be successfully paid. Shopify offers a variety of payment options，and you can set it in the store back-end, click "Settings"——"Payments."

Shopify Payments is the official payment method by Shopify，which supports credit cards, Paypal, and quick checkout services from other vendors. Click"Activate Shopify Payments" and filling in the relevant information, then get the service.

Shopify Payments offers a testing service that simulates customer payment orders. Click on "Manage" next to "Shopify Payments," pull to the bottom, and then open it. After the test is complete, remember to disable the test mode to use an actual credit card to pay for the order. 

Shopify provides test credit card numbers to simulate transaction results. You can use creat test card numbers for successful and failed transactions and transactions in different currencies.

Simulate successful transactions

•Name on card: Enter at least two words.

•Expiry date: Enter any date in the future.

•Security code: Enter any three digits.

•Card number: Use any of the following numbers:

Card type	Test credit number
Visa	4242424242424242
Mastercard	5555555555554444
American Express	378282246310005
Discover	6011111111111117
Diners Club	30569309025904
JCB	3530111333300000

 

Simulate failed transactions

•Use credit card number 4000000000000002 to generate a card declined message.

•Use credit card number 4242424242424241 to generate an incorrect number message.

•Use credit card number 4000000000000259 to simulate a disputed transaction.

•Use an invalid expiry month, for example 13, to generate an invalid expiry month message.

•Use an expiry year in the past to generate an invalid expiry year message.

•Use a two-digit security code number to generate an invalid security code message.