небанковский поставщик платёжных услуг(A nonbank payment service provider is defined in this study as any enterprise that is
not a bank and which provides, primarily by way of electronic means, payment services
to its customers.Alexander Oshis)
платёжный сервис(A payment service provider (PSP) offers shops online services for accepting electronic payments by a variety of payment methods including credit card, bank-based payments such as direct debit, bank transfer, and real-time bank transfer based on online banking. Typically, they use a software as a service model and form a single payment gateway for their clients (merchants) to multiple payment methods. WK Alexander Demidov)
