Card9 API / Payment Gateway
Now you can connect your website, shopping cart, or any application to our API and utilize real-time gift card processing! Much like a credit card payment gateway allows you to charge credit cards, our API allows you to check balances, charge cards, reload cards, issue refunds on cards you've created, and create virtual (non-printed) gift cards instantly.
Test Card Numbers
- 4111 1111 1111 1111 (will always approve)
- 4111 1111 1111 1112 (will always decline)
- 4111 1111 1111 1113 (will always return error)
Transaction Examples
| Example APPROVED | Example DECLINED due to Expired Card | Example DECLINED Due to Invalid Input |
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Creating and Activating Virtual Cards via the API |
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Input URL & Parameters
Select a command to the left to view a sample URL
API Output