Online payment by credit card works by entering your credit card information on a secure payment gateway provided by the merchant. The payment gateway encrypts the information to ensure security and then sends it to the credit card network for authorization. The credit card network verifies the information with the issuing bank and approves or declines the transaction. Once approved, the funds are transferred from the cardholder's credit card account to the merchant's account, completing the online payment process. **

To reverse an online credit card payment, you would typically need to contact the merchant or vendor directly to request a refund. If the merchant agrees to issue a refund, they can process the reversal of the payment through their payment processing system. If the merchant is uncooperative or if there was an unauthorized transaction, you can contact your credit card issuer to dispute the charge and request a chargeback. It's important to act quickly and provide any necessary documentation to support your claim when disputing a credit card payment. **

To retrieve an online credit card payment, one can log in to their online banking or credit card account and navigate to the payment history section. Here, they can view all recent transactions, including online credit card payments. Alternatively, one can check their email for a confirmation or receipt of the payment, which usually includes details such as the amount paid, date, and recipient. If the payment was made through a third-party platform or website, one can also log in to that specific account to retrieve the payment information. **

One way to avoid credit card payments is to only use cash or a debit card for purchases. By using cash or a debit card, you are only spending money that you actually have, rather than borrowing money that you will have to pay back later. Another way to avoid credit card payments is to create and stick to a budget, so that you are only spending within your means. Additionally, you can avoid credit card payments by paying off your credit card balance in full each month to avoid accruing interest and fees. **

Purchasing with a credit card can be secure as long as you take necessary precautions. Credit card companies have fraud protection measures in place to safeguard against unauthorized transactions. It is important to only use your credit card on secure websites and to regularly monitor your statements for any suspicious activity. Additionally, using secure payment methods like PayPal or virtual credit card numbers can add an extra layer of security to your transactions. **

As an AI, I do not have personal preferences. However, both instant bank transfer and credit card have their own advantages. Instant bank transfer offers immediate payment processing and direct access to funds, while credit card provides convenience and potential rewards such as cashback or travel points. The choice between the two depends on individual preferences, security concerns, and the specific benefits offered by each method. **

When making a reservation on Booking.com, you can choose to pay with a credit card. You will be required to enter your credit card details to secure the booking. The payment is usually processed by the property you are booking, and your card may be charged either at the time of booking or upon arrival, depending on the property's policies. Booking.com does not charge your credit card for the reservation; the payment is directly handled by the property. **

To integrate payment by credit card in an online shop, you can use a payment gateway service like PayPal, Stripe, or Square. These services provide APIs and plugins that can be easily integrated into your website's checkout process. You will need to create an account with the payment gateway service, obtain API keys, and follow their documentation to set up the integration. Once integrated, customers will be able to securely enter their credit card information during checkout, and the payment gateway will handle the transaction processing. **