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

# Payment Page Integration

<figure><img src="/files/2dHhHaLPlIXCokyqiHRZ" alt=""><figcaption><p>Sequence diagram of the payment with A-Pay Payment Page</p></figcaption></figure>

A payment page is one way to integrate when you don't have to customize a payment flow. A-Pay, on its part, will provide continuous support of the payment window 24/7 so that payment errors will be minimized. In the payment window, we use best practices to maximize conversion to payment.

You can learn more about payment gateway features and integration here: [Payment Gateway](/api-documentation/payment-page-integration/payment-gateway.md)