Fulfilling a promise it made seven months ago, Block Inc.’s Square merchant-acquiring unit on Wednesday announced it will offer an American Express-branded credit card to its sellers ... by their ...

Two of the best POS systems, Clover and Square ... accept credit card and mobile wallet payments, each differs in price and the type of hardware provided. You will also have to keep transaction ...

When New York businessman Frank McNamara started Diners Club in 1950, he had big dreams for his new company and the credit card it would ... a 7% fee on each transaction, but assured them that ...