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Simplified payment acceptance mechanism via the UAPAY internet acquiring API
Using the UAPAY payment page

1. Payment for goods, works and services

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The request to cancel the invoice payment is sent using the POST api/invoicer/payments/reverse method 

It is possible to specify a refund amount less than the payment amount.

2.2. On the side of the UAPAY after receiving the request

Processes the request and transmits in response to the request POST api/invoicer/payments/reverse of the data on the status of the cancellation of payment.

UAPAY Internet Acquisition API (server-to-server) payment acceptance mechanism

1. Payment for goods, works and services: On the side of the merchant /partner

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A request to create an invoice using the POST api/invoicer/invoices/create method is generated and sent to UAPAY.

1.4. On the side of the UAPAY after receiving the invoice request

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• Error (expanded)
• Success.

2. Refund to the customer in case of need to cancel the payment (customer/client request, inability to fulfill the order, etc.)

2.1. On the side of the merchant /partner

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