How To Integrate Adyen Into Your App

The world of online payments is evolving and creating new opportunities for rising stars.

A relatively new technology, Adyen, offers cool features to help businesses accept payments worldwide.

About Adyen

Adyen functions as both a payment processor and a provider of merchant accounts. The merchant account serves as the platform for currency processing and payment method configuration. One distinctive feature of Adyen is its ability to provide your business with multiple merchant accounts.

Adyen accommodates various payment methods, including credit and debit cards, eWallets, and local payment options.

Merchants can utilize a range of features, such as:

• Risk Management
• Revenue Protect
• One-click Recurring Payments
• Analytics

Established in 2006, Adyen focuses on addressing the global payment needs of businesses by establishing infrastructure directly linked to card networks and other payment methods. It provides online services for merchants to accept credit card payments, bank-based transactions, and other digital payment methods.

Businesses can streamline their payment processes with the secure and reliable Adyen payment gateway. For example, the Adyen pay by link API allows merchants to send payment links directly to customers, facilitating quick and easy transactions.

Adyen Payment Methods API

Adyen payment methods API empowers developers to diversify payment options within their applications, providing a seamless and tailored payment experience for users. This API allows integration with a vast array of global payment methods, enabling businesses to cater to diverse customer preferences.

Key Features:

• Global Reach: Adyen payment methods API supports a wide range of international payment methods, ensuring businesses can accept payments from customers worldwide.
• Flexibility: Developers can customize the Adyen payment integration flow to align with their application's design and user interface, creating a cohesive and intuitive experience for users.
• Security First: Adyen classic integration prioritizes security, offering robust measures to safeguard sensitive payment data. Compliance with industry standards ensures a secure and trustworthy transaction environment.
• Dynamic Updates: The API seamlessly adapts to evolving payment trends, allowing businesses to stay current with emerging payment methods and technologies.
• Efficient Integration: With comprehensive documentation and developer-friendly tools, Adyen payment integration is streamlined, minimizing development time and effort.

Adyen Integration Through Digital Wallets

Adyen is a leading global payment platform that facilitates seamless and secure transactions for businesses across various industries. The platform supports a wide range of payment methods, including popular digital wallets like Apple Pay, Google Pay, and traditional methods like credit cards and PayPal. Let's delve into how Adyen integrates with each of these digital wallet services.

Adyen Apple Pay Integration

Adyen's integration with Apple Pay allows merchants to offer a convenient and secure payment option for customers using Apple devices. Apple Pay enables users to make payments in stores, in apps, and on websites using their iPhones, iPads, Apple Watches, and Macs.

Benefits

• Enhanced Security: Apple Pay employs tokenization and biometric authentication, ensuring that sensitive payment information is secure.
• Convenience: Users can make quick and easy payments without entering credit card details manually.

Adyen Google Pay Integration

Adyen's integration with Google Pay offers a streamlined payment experience for users with Android devices. Google Pay allows customers to make payments online, in apps, and in physical stores using their Android phones.

Benefits

• Wide Reach: Google Pay is available on a vast number of Android devices, providing a broad user base for merchants.
• Simplified Checkout: Users can enjoy a frictionless checkout experience by selecting Google Pay as their payment method.

Adyen PayPal Integration

Adyen's integration with PayPal enables merchants to accept payments from customers who prefer using their PayPal accounts, offering a widely used and trusted payment method.

Benefits

• Global Reach: PayPal is widely used internationally, providing merchants with access to a global customer base.
• Customer Trust: Many users trust PayPal for secure and reliable online transactions, contributing to increased conversion rates.

Thus, Adyen's integration with Apple Pay, Google Pay, and PayPal reflects its commitment to providing merchants with diverse and secure payment options. These integrations not only enhance the user experience but also contribute to the global expansion of businesses by catering to the preferences of a wide range of consumers. To make a thorough Adyen integration, you need a reliable software development team that will meet your requirements!

How To Integrate Adyen Into Your App from the Backend Perspective?

Adyen integration into an application's backend involves several crucial steps to ensure secure and efficient payment processing. This part outlines the process, focusing on Java-based Adyen integration.

Initial Setup and Configuration

Before diving into the coding part, it's essential to set up an account with Adyen and get the necessary Adyen API integration keys. These keys will authenticate requests made from the application to Adyen's servers. After obtaining these keys, store them securely, as they are crucial for the interaction between the app and Adyen.

Maven Dependency

For Java applications, integrating Adyen starts with adding the required dependency to the project’s build file. For Maven projects, include the following in the pom.xml:

<dependency>
    <groupId>com.adyen</groupId>
    <artifactId>adyen-java-api-library</artifactId>
    <version>{adyen.api.version}</version>
</dependency>

Replace {adyen.api.version} with the latest version of the Adyen API library.

Establishing a Client

For Adyen API integration you need to create an instance of Client which is essential for making API calls. This requires the API key obtained during the initial setup.

import com.adyen.Client;
import com.adyen.enums.Environment;

public class AdyenClient {
    private static final String API_KEY = "YOUR_API_KEY";

    public Client initializeClient() {
        Client client = new Client(API_KEY, Environment.TEST);
        return client;
    }
}

Creating a Payment Session

The next step of Adyen classic integration involves creating a payment session. Here, a PaymentRequest object is prepared and sent to Adyen's servers.

import com.adyen.model.checkout.PaymentRequest;
import com.adyen.service.Checkout;

public class PaymentService {

    public PaymentRequest createPaymentRequest() {
        PaymentRequest paymentRequest = new PaymentRequest();
        // Set the currency and value
        paymentRequest.setAmount(new Amount().currency("EUR").value(1000));
        // Unique order reference
        paymentRequest.setReference("YOUR_ORDER_REFERENCE"); 
        // URL to return to after payment completion
        paymentRequest.setReturnUrl("https://your.return.url"); 
        // Additional configurations can be added here

        return paymentRequest;
    }

    public String initiatePayment(Client client, PaymentRequest paymentRequest) throws Exception {
        Checkout checkout = new Checkout(client);
        return checkout.payments(paymentRequest).getPaymentData();
    }
}

Processing the Payment

Once the payment request is sent, the application needs to handle the response, which includes the payment result.

public class PaymentResponseHandler {

    public void handlePaymentResponse(PaymentResult paymentResult) {
        if ("Authorised".equals(paymentResult.getResultCode())) {
            // Handle authorised payment
        } else {
            // Handle other payment outcomes such as Refused, Cancelled, etc.
        }
    }
}

Handling Webhooks

Adyen sends notifications about events such as payment authorizations, captures, or cancellations through webhooks. Setting up a listener endpoint to receive these notifications is important for keeping the payment status updated.

public class WebhookHandler {

    public void handleNotification(NotificationRequest notificationRequest) {
        for (NotificationRequestItem item : notificationRequest.getNotificationItems()) {
            // Process the notification item
        }
    }
}

Best Practices and Security

Ensure that sensitive information like API keys is stored securely and not hard-coded.

Regularly update the Adyen library to incorporate the latest security patches and features.

Be compliant with PCI DSS standards if handling or storing card details.

Going Live

After successful testing, switch to Adyen's live environment by updating the API keys and endpoints. Perform final validation to ensure everything works as expected in the live environment.

Adyen payment gateway integration examples can be found in the documentation, showcasing how to implement the solution in various programming languages. For example, Adyen Salesforce integration enables seamless synchronization of payment data with CRM systems, enhancing customer relationship management.

Conclusion

To conclude, integrating Adyen for payment processing in an application involves a few key steps: setting up Adyen, adding the Java library, establishing a client connection, creating payment requests, processing responses, and handling notifications through webhooks. Following these steps allows for efficient and secure payment transactions directly within the app, enhancing the user experience. It's important to keep the system updated and maintain strong security practices for reliable and effective payment integration.

If you need help with the Adyen API integration on your project, don’t hesitate to contact our IT professionals to get some details!

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Our approach to estimations revolves around close collaboration with our clients. We understand that every project is unique, and client preferences play a crucial role in defining the scope and scale of software development initiatives. By actively engaging with our clients, we gain deep insights into their specific requirements, priorities, and budgetary constraints.

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At Axon, we pride ourselves on our extensive experience in software engineering and our commitment to staying at the forefront of industry best practices. When our client approached us with the requirement on Adyen integration, a leading payment service provider, into their application, we recognized the significance of this task. Adyen's robust payment gateway offered a wide range of features, from global payment processing to advanced fraud prevention. The Adyen payment gateway integration simplifies the checkout process for e-commerce platforms by providing a unified payment solution. However, integrating such a comprehensive system into an existing application required a strategic and meticulous approach.

Through careful analysis and in-depth consultations, we ensure that our solutions align with your application's specific needs while maintaining the highest standards of security.

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