How online payment gateways work

How Online Payment Gateways Work

Internet payment gateways are now a crucial component of contemporary e-commerce. These gateways let buyers and sellers conduct safe and effective online transactions. In this article, we’ll examine how online payment gateways function, how crucial they are to e-commerce, and why SSLCOMMERZ is thought to be the top gateway.

What is an Online Payment Gateway?

A software application known as an online payment gateway permits electronic payments for Internet businesses. It serves as a link between the retailer’s website and the banking institution handling the payment processing. The payment gateway encrypts the payment information when a consumer purchases online and delivers it to the financial institution for processing. The gateway sends the data back to the merchant’s website after the payment has been approved, enabling the transaction to be finished.

How do online payment gateways work?  

How do online payment gateways work?

Internet payment gateways operate in stages. These actions comprise:

  • Client Initiative

On the merchant’s website, the customer chooses a good or service, then navigates to the checkout page to start the transaction.

  • Entry of Payment Information

The buyer inputs their credit card number, expiration date, and CVV code along with other payment-related data.

  • Encryption of Payment Information

Prior to sending the payment information to the financial institution for processing, the payment gateway encrypts it. The payment information is secure and cannot be intercepted by unauthorized third parties thanks to encryption.

  • Request for Authorization

After receiving the encrypted payment data, the financial institution contacts the customer’s issuing bank to request authorization. The bank that issued the customer’s credit card is known as the issuing bank.

  • Acceptance or Refusal of the Authorization

The customer’s account is checked by the issuing bank to make sure there are enough money to cover the transaction. The bank authorizes the transaction and sends an authorization code to the financial institution if the customer has adequate funds.

  • Payment Acknowledgement

The authorization code is received by the financial institution and sent back to the payment gateway. The payment gateway subsequently sends a confirmation of the payment to the merchant’s website.

  • Funds transfer

The transaction is finished when the financial institution deposits the money into the merchant’s account. Depending on the financial institution, the monies are typically transferred within 1-3 business days.

Importance of Online Payment Gateways

Modern e-commerce requires online payment gateways for a number of reasons, including:


Internet payment gateways give online transactions a high level of security. To ensure that payment information is secure and cannot be intercepted by unauthorized parties, they deploy cutting-edge encryption and authentication techniques.


Customers can make payments online easily with the use of online payment gateways. Credit and debit cards, bank transfers, mobile payments, and more options are available to customers.

Global Reach

Businesses can accept payments from clients all around the world thanks to the worldwide reach provided by online payment gateways. As a result, the consumer base grows and sales rise.


Businesses may swiftly and effectively collect payments thanks to online payment gateways’ quick and effective payment processing. The danger of late payments and bad debt is decreased while cash flow is improved.

SSLCOMMERZ in Bangladesh

The leading online payment gateway service provider in Bangladesh is SSLCOMMERZ. It has quickly risen to the top of the list of the most widely used online payment gateways for businesses in the nation. Because of its cutting-edge technology, first-rate customer support, and competitive pricing, SSLCOMMERZ has been able to build a significant presence in Bangladesh.

Credit and debit cards, mobile payments, and bank transfers are just a few of the payment methods SSLCOMMERZ provides. Customers can easily make payments in a method that suits them because to this flexibility. Depending on their target market and clientele, businesses can also tailor the payment methods they provide.

Leading provider of online payment gateway services in Bangladesh, SSLCOMMERZ provides a variety of value-added services in addition to advanced security features, simple integration, many payment choices, and cheap price. Companies in Bangladesh that use SSLCOMMERZ may take advantage of a simple and straightforward online payment processing experience, which will help them expand and thrive in the cutthroat e-commerce environment.

Also Read: Tips to Create a Merchant Account on Online Payment Gateway

Why SSLCOMMERZ is the best online payment gateway?

For a number of reasons, including the following, SSLCOMMERZ is regarded as the best online payment gateway:

  1. Using cutting-edge encryption and authentication techniques, SSLCOMMERZ offers a high level of security for online transactions, ensuring that payment information is secure and cannot be intercepted by unauthorized parties.
  2. Businesses may easily set up and utilize SSLCOMMERZ since it enables simple interaction with a number of e-commerce platforms. Also, it includes a thorough API that programmers can utilize to build unique integrations according to their own requirements.
  3. Customers may easily make payments using SSLCOMMERZ since it provides a variety of payment methods, including credit and debit cards, mobile payments, and bank transfers.
  4. Low setup fees and cheap prices are available from SSLCOMMERZ. As a result, small and medium-sized firms can afford it.
  5. An outstanding customer service team at SSLCOMMERZ is on hand around-the-clock to help clients with any problems they could run into. The support staff is skilled, receptive, and committed to offering top-notch customer service.
  6. Businesses can prevent fraudulent transactions thanks to SSLCOMMERZ’s sophisticated fraud detection features. To identify and stop fraudulent conduct, it combines human analysis with artificial intelligence.
  7. Businesses can track their transactions and evaluate their performance using the sophisticated reporting and analytics capabilities provided by SSLCOMMERZ. This facilitates data-driven decision-making for firms and enhances e-commerce operations.

Final Words

In conclusion, online payment gateways are crucial to contemporary e-commerce because they give companies a safe, practical, and effective means to receive payments online. From customer introduction to fund transfer, there are various steps in the process of using an online payment gateway. Due to its high degree of security, simple integration, variety of payment choices, affordable price, exceptional customer care, advanced fraud detection, and comprehensive reporting and analytics, SSLCOMMERZ is regarded as the best online payment gateway. Companies that utilize SSLCOMMERZ can benefit from a simple and convenient online payment processing process, which frees them up to concentrate on expanding their operations.