Payment service provider
From ACT Wiki
Payment systems.
(PSP).
1.
Defined broadly, a payment service provider is an organisation that:
- provides payment services to others that are not participants in a payment system
- for the purposes of enabling the transfer of funds using the payment system.
2.
In a narrower sense, an online payment service provider (PSP) enables e-commerce merchants to accept payments on the merchant's own website.