> For the complete documentation index, see [llms.txt](https://docs.up2.money/08.01/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.up2.money/08.01/api-payment-gateway/testing.md).

# Testing

> Test payments are being processed via test terminal. Please contact the support team for access to the test terminal.
>
> While testing you can use any valid test card numbers, any valid date of expiration, CVV-code and cardholder name. Test terminal accepts all the payments
>
> with any valid credentials.
>
> If you want to determine the way test terminal responds, you can use some special card numbers:

<table><thead><tr><th width="232">Card number</th><th width="471">Description</th></tr></thead><tbody><tr><td>4111111111111111</td><td>Success authorization</td></tr><tr><td>2222400060000007</td><td>Success authorization</td></tr><tr><td>4276990011343663</td><td>Non 3-D Secure: declined authorization</td></tr><tr><td></td><td>3-D Secure: “Unable to verify enrollment“ scenario.</td></tr><tr><td>5555555555555599</td><td>Internal system error</td></tr><tr><td>4276838748917319</td><td>3-D Secure scenario “Not enrolled“</td></tr><tr><td>4000000000000002</td><td>Declined as fraud</td></tr></tbody></table>