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How To Integrate Payment System into the Existing App

Mobiles are no longer just confined to sending messages and receiving calls, but online shopping is also an essential aspect. Many big...

Written by Niel Patel · 4 min read >
How Can Digital Payment Benefit Entrepreneurs

Mobiles are no longer just confined to sending messages and receiving calls, but online shopping is also an essential aspect. Many big business enterprises are turning to e-commerce, and with e-shopping comes online payment processing. So, companies contemplate building apps that include online payment processing. According to a Statista report, the value of these mobile payment apps will approach $14 trillion by the end of this year.

How Can Digital Payment Benefit Entrepreneurs or Businesses of 2022?

Payment Gateway  

No doubt, if you book movie tickets, order food, shop for clothes, or event registration, you need online payment processing apps. However, a payment gateway is required for the seamless operation of such mobile apps. 

A payment gateway is an extended service by an e-commerce application provider to the merchant, sanctioning the credit card or direct payments for e-business.   

Choosing the right payment gateway is essential and integrating it into your existing business app can bring multiplied profit.  

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How does Payment Gateway work?  

When a customer purchases any product from an app, the product is moved to the shopping cart. It gets connected to the payment gateway from there. Understand payment gateway like a POS in retail shopping stores where a request to transfer the amount is sent to the card processor. When payment is accepted, Payfac as a service sends this information to the merchant account. It remains there till it is transferred to the merchant’s bank account.   

Different Payment Gateway Providers  

To integrate an online payment processing system in an app, learn about the top used payment gateway providers. The list includes PayPal, Braintree, Stripe, GETTRX, Amazon Pay, Skrill, GPay, Vap ulus, etc. The most used ones out of all are-  

  • PayPal  

PayPal is an ever-evolving online payment processing gateway. It offers excellent services and has been in the race for the longest time. PayPal offers an aggregate merchant account requiring you to pay a 2.9% fee on every payment. A free payment processing gateway makes it a premium choice for new online businesses.  

  • GETTRX: 

GETTRX is a payment-processing platform that can fit your needs and can take your goals forward. It comes with features like Terminals, Subscriptions and invoicing, API, fast approval, 24×7 customer support, and more. The developer-friendly payment infrastructure helps empower the platform with an impressive API. Moreover, GETTRX supports all types of businesses; with GETTRX Zero, you can eliminate 100% of your processing fee. Also, there are zero processing equipment fees as well as zero processing fees for all card types.  

  • BrainTree  

It comes with multiple advanced features like fraud prevention, 1-2 days payout, live customer desk services, etc. Braintree. In addition, it provides a Software Development Kit (SDK) for Android and iOS. Initially, it charges zero fees for $50,000, but when payment exceeds it, then a 2.9% fee is charged per transaction. 

  •  Stripe  

After Braintree, it is the safest online payment processing gateway. It includes exclusive features like easy mobile checkout and data authorization. However, its charges vary in different countries in case of money refunds.  

  • Net  

Authorize.net or net offers a dedicated merchant account and is widely used in Canada and the US. The significant features it comprises include fraud detection, information management, recurring billing, PCI DSS, and many others.   

These top 4 online payment processing gateways are certified as PCI Level 1 providers. These follow PCI DSS regulations and are specifically designed for developers.   

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Integrating Payment System into the Existing App  

Once you have got a merchant account and selected an accurate payment processing gateway, start by integrating it into the app. Now, you have to integrate the SDK (Software Development Kit). Every provider has its own SDK with various mobile libraries. Visit the official websites of these online payment processing gateways, and you can easily locate SDKs there. Use these to build payment forms for data collection.  

You can also build it from scratch or by using pre-designed components. It allows seamless use of customer credit cards to pay in the app. The digital payment systems provide tokenization using mobile libraries. Here, the service provider recognizes sensitive data and is redirected to the server. It’s also termed an authenticated environment. API keys support the safe transfer of token data from the server to gateway keys.  

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Steps of Mobile Payment Gateway Integration in Android and iOS Mobile Apps

Before delving into the specifics of implementing a payment gateway in a mobile app, there is one important point to make. Occasionally, you may hear about the Google Play Billing solution and Apple’s In-App Purchase. These services facilitate the sale of digital material on mobile devices. As purchasing methods, they enable the purchase of content that is exclusive to your Android or iOS app. Intriguingly, Google Play Billing and In-App Purchase eat up a significant portion of the merchant’s profits by charging 30% transaction fees. Therefore, while selling this type of in-app merchandise, the merchant will only receive 70%.

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In contrast, third-party payment gateways have nothing to do with digital sales, but rather facilitate the sale of actual goods and services outside of an Android or iOS app. Unfortunately, there is no magic button that, when pressed, will activate your payment gateway. You must instead make an effort to incorporate it into your application. This integration is a multi-step process that utilizes the following elements:

Third-party apps.. You can integrate with a gateway provider by utilizing them with minimal prior programming skills.

APIs. The gateway API keys facilitate the configuration of SDKs and libraries as an integral aspect of integrating a payment gateway into mobile applications. If merchants wish to have additional control over the checkout process, they must utilize APIs, which are based on REST.

Client and server SDKs. Every provider of payment gateways offers its own software development kit, or SDK. They can be accessed on the official websites of the providers and are utilized by developers to connect current app features and facilitate work. The client and server SDKs of the supplier collaborate to collect and process payment information.

How much does it cost to get a payment gateway?
GETTRX: 2.79% +$0.30 Flat rate.

Stripe: 2.9% + 30¢ per each successful card charge.
Square: 2.75% per transaction, 3.5% + 15¢ per in-person payment.
PayPal: $0.10 per transaction. Pro users, in turn, pay $99 for set-up and $25 as a monthly fee.
SecurePay: 1.75% + $0.30 AUD per domestic transaction
Payline: $0.10 per transaction fee or $10 monthly fee
Authorize.net: 2.9% + 30¢ per transaction
Braintree: 2.9% + £0.30 for standard merchants

Conclusion  

Flourishing and growing business on the digital platform requires smart tactics, approach, and knowledge of e-commerce. Another important aspect is enabling an online payment processing feature for the seamless operation of mobile apps. 

The basic information of various merchant accounts and different types of payment processing gateway providers is needed for the smooth operation of the integrating process.  This way your business can match the pace of changing market dynamics and can earn you greater profits. 

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