Prolink carries out payment gateway integrations with the goal of enabling secure, simple and fast online transactions that provide users with confidence and give brands a stable and efficient payment system. Each project begins with an analysis of the business model, expected transaction volume and specific technical requirements to identify the solution that best supports growth and long-term reliability.
Analysis of requirements and selection of the appropriate payment system
The integration process begins by understanding the sales model, the structure of the offer and the market in which the brand operates. User preferences, existing system capabilities and security demands are analysed in detail. Based on these insights, the ideal payment solution is selected to ensure stable, secure and efficient transaction processing.
Planning the architecture and the user payment flow
At this stage, the structure of the payment process is defined to ensure that users can complete payment quickly and intuitively. Every step of the user journey is examined to reduce checkout abandonment and maximise conversions. A well-designed payment flow contributes to clarity, ease of use and a strong sense of trust.
Development and implementation on a dedicated development server
All integration work is performed on a dedicated development server that the client can access throughout the entire process. This working method allows real-time API testing, monitoring of transaction behaviour and timely adjustments during development. A modular approach ensures long-term stability and seamless future upgrades.
Security standards and protection of user data
Security is a central element in every payment system. The integration is carried out in accordance with PCI DSS standards, with encryption, tokenisation and controlled communication between servers and financial institutions. The system is designed to prevent fraud, protect card data and offer the highest level of security throughout the transaction process.
Advanced functionalities for an enhanced payment experience
The integration may include additional capabilities such as recurring billing, stored cards, advanced risk checks, multi-currency processing, transaction authorisation, CRM connections or links to invoicing systems. Each functionality is developed as an independent component to ensure clarity, security and complete alignment with the business model.
Optimisation of performance and payment processing stability
To support periods of increased demand, the system is optimised to maintain fast response times, stable API communication and resilience to peak loads. This reduces interruptions, improves reliability and contributes to a smoother purchasing experience that directly impacts conversion rates.
Testing the payment process across all devices and scenarios
Once implemented, the payment system undergoes extensive testing across mobile and desktop devices. Successful and declined transactions, different card types and various payment scenarios are tested to ensure a predictable and stable experience. The goal is a consistent process that functions seamlessly in every situation.
SEO optimisation for pages connected to the checkout flow
SEO optimisation is applied to the parts of the website leading to payment, as clarity and loading speed influence both user behaviour and conversion success. Headings, content structure, visual elements and semantic connections are refined to help users understand the process and move smoothly toward completing their purchase. SEO becomes an integral tool for reducing friction and improving the entire conversion path.
UX content that strengthens confidence in the payment process
All accompanying content is written to provide users with clarity, reassurance and a sense of security. Messages, instructions, on-page explanations and email confirmations are crafted to guide users comfortably through each step. The content is aligned with SEO requirements and communication goals to create a professional and trustworthy payment experience.
WSPay as a long-established standard in online payments
WSPay is one of the most widely used online payment solutions in Croatia, known for its stability, fast transaction processing and adaptability to various business models. It supports secure card transactions, reliable authorisation and intuitive administration, making it suitable for a wide range of e-commerce systems.
CorvusPay as the most security-focused platform
CorvusPay is recognised for its strong security protocols, PCI DSS compliance and advanced risk-detection mechanisms. It provides exceptional data protection and closely monitored transaction flow, making it an ideal option for brands that prioritise the highest security standards.
Monri Payments as the choice of large merchants and financial institutions
Monri Payments is known for its stability and ability to handle high transaction volumes without delays. Its infrastructure supports a wide range of card methods, robust security features and a scalable architecture suitable for small and large sales systems alike.
PayWay as a trusted solution backed by a long market presence
PayWay, a Hrvatski Telekom platform, is known for its reliability, detailed documentation and long-standing presence in online payment processing. It enables straightforward transaction management and adapts well to various types of online shops and services.
Stripe as an international system with advanced capabilities
Stripe is globally recognised for its flexibility, modern API and advanced features such as recurring billing, tokenisation and streamlined user flows. It is suitable for businesses operating locally or internationally and offers a modern, intuitive and secure payment experience.
A stronger foundation for your payment experience
Each of these systems brings different strengths, and their full potential is achieved through precise and well-executed implementation. Prolink has integrated all of these payment gateways across a wide range of projects, from simple online shops to complex systems with high transaction volumes, enabling accurate adaptation to every business model. If you want a payment system that is secure, stable and comfortable for users, Prolink will develop a solution that becomes a strong and reliable foundation for your business.