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Payment Service Provider
Course: Business Finance (FIN201)
127 Documents
Students shared 127 documents in this course
University: East West University
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Payment Service Provider (PSP) and Payment System Operator (PSO)
Payment Service Provider (PSP) : A payment service provider 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.”
Basically, it is a third party that allows merchants to accept a wide variety of payments through
a single channel. The PSP works with acquiring banks (payment processors) to manage the
entire transaction process from start to finish. This means that the PSP is responsible from the
moment a customer inputs their credit card details, to the moment the funds appear in the
merchant’s bank account.
When a customer submits credit card details online, the PSP carries out a process known as
‘authorization’, on behalf of the merchant. Here are the steps the transaction takes during the
seconds between when a customer presses “confirm order” and receives the order
confirmation on his screen:
The transaction details are sent to the acquiring bank’s processor.
The information is submitted to the credit card network. Popular credit card networks
include MasterCard and Visa.
The network then sends the transaction details to the issuing bank – this is the bank that
issued the card to the customer.
The issuing bank decides whether to approve or decline the transaction.
It passes its decision back to the credit card network, which passes this result onto the
acquiring bank’s processor again.
The processor then communicates these details to the PSP.
The PSP will then share the results with the customer and merchant.
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