COMPUTER NETWORKING

Detailed explanation-1: -They connect the buyer’s bank account to the business’s merchant account. Ecommerce businesses need both to accept credit cards. Payment gateways often charge monthly fees, as well. In fact, fees are the biggest determining factor for ecommerce shop owners when deciding which credit cards to accept.

Detailed explanation-2: -Your card may be declined for a number of reasons: the card has expired; you’re over your credit limit; the card issuer sees suspicious activity that could be a sign of fraud; or a hotel, rental car company, or other business placed a block (or hold) on your card for its estimated total of your bill.