> For the complete documentation index, see [llms.txt](https://docs.payrexx.com/developer/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.payrexx.com/developer/testing/testing.md).

# Testing

## Payrexx Pay Plus

In this article, you can find a list of test credit cards for Payrexx Pay Plus: [Testing - Docs](https://docs.payrexx.com/merchant/payment/testing#credit-cards-for-testing)

### Postfinance, Ogone, Concardis, Viveum

<table><thead><tr><th width="167">Credit card</th><th>Number</th><th width="76">CVC</th><th>Expiry date</th></tr></thead><tbody><tr><td>Visa</td><td><code>4111 1111 1111 1111</code></td><td>123</td><td>actual month and year</td></tr><tr><td>Mastercard</td><td><code>5399 9999 9999 9999</code></td><td>123</td><td>actual month and year</td></tr></tbody></table>

### Stripe

A list of credit cards for testing, you can find on: <https://stripe.com/docs/testing>

### Paypal

A list of credit cards for testing, you can find on: <https://developer.paypal.com/tools/sandbox/card-testing/>

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