A payment intermediary is often confused with a gateway, but they are different systems. A payment intermediary, such as PayPal, MercadoPago or PagSeguro, acts as a bridge between the customer and the seller.
The cost of these services is based on a percentage of each sale, but in exchange they offer greater security in transactions. Purchases are usually completed on a page outside the store's website.
What is a sub-acquirer?
The term “sub-acquirer” is basically a australia cell phone number list synonym for payment intermediary. While the gateway is the direct responsibility of the e-commerce owner, payment intermediaries are managed by contracted companies, eliminating the need for direct contact with banks.
One of the advantages of intermediaries is that they offer multiple payment methods, such as credit cards, debit cards, bank transfers and even tickets. This increases the chances of the customer completing the purchase.
See also:
502 Bad Gateway: Why does it appear and how to fix it?
The main difference between these systems is how they deliver the service.