The concept of Application Programming Interface (API)

The concept of Application Programming Interface (API) has been around since the early days of computing, but its importance and evolution have significantly increased in the past few decades.


APIs in the 1960s-1970s

APIs can be traced back to the 1960s-1970s when sets of routines, protocols, and tools for software construction were provided by software libraries and operating systems.


API Evolution in the 1980s-1990s

In the 1980s-1990s, APIs became more functional and intricate. However, it was the popularization of the internet in the 1990s to 2000s that was a turning point for APIs.


Web APIs and the Internet in the 1990s-2000s

Web APIs, including SOAP (Simple Object Access Protocol) and subsequently REST (Representational State Transfer)-based web services, became widespread. These APIs made it simpler for computer systems to communicate over the internet.


APIs in Today’s World

Since that time, the use of APIs has significantly increased, particularly with the development of technologies such as AJAX (Asynchronous JavaScript and XML) for dynamic web applications. REST APIs have now become the industry standard for constructing web interfaces because of their straightforwardness and versatility.


Experience feedback

For years, Satisco has specialized in data integration using various tools, including B2B platforms, SOA platforms, ESB, message queuing, data transformation, APIs, and more.


Global architecture not mastered

Throughout our experience with API architectures, we have faced recurring challenges. What are these issues that we commonly encounter?


Spaghetti architecture

When API architectures are not initially designed with management tools or monitoring and control processes in mind, companies often discover thousands of APIs whose existence is not always known or which they are hesitant to modify due to insufficient awareness of the consequences. This leads to a catastrophic increase in the number of APIs that duplicate each other, perform similar tasks, and run in parallel without anyone controlling their evolution.


API and version management

API management requires juggling multiple versions, each with unique functionality and compatibility requirements. This can become a complex process, particularly when it comes to maintaining older versions to ensure compatibility with existing systems. Additionally, managing dependencies among different versions can result in high development costs and potential conflicts.


API Maintenance

Maintaining APIs is always a challenge. It involves more than just fixing errors; it also requires adjusting to new user needs and advancements in technology. Keeping up with preventative maintenance is essential to guarantee safety and good performance, but it necessitates a significant amount of resources and planning.


Dependency loop problems

Cyclic dependencies between APIs can create “dependency loops” where one API depends on another, which depends on the first. This makes debugging and upgrading difficult and can lead to process lockups.


Volumetry and Performance

As the use of APIs increases, managing large volumes of requests becomes a significant challenge. Performance issues can arise, particularly in terms of response times and handling peaks in traffic. Designing an architecture that can handle this volume without compromising performance is a key challenge.


Poor or non-existent documentation

API documentation plays a critical role in API adoption and usage. Outdated or inadequate documentation can lead to implementation errors and increase development time. Clarity, accuracy, and ease of access to documentation are paramount.


Satisco’s Vision for an Optimal API Architecture: Integration, Security, and Efficiency

At Satisco, we aspire to develop an API architecture that not only utilizes cutting-edge API technologies but also integrates sophisticated management, security, performance, and efficiency solutions. Our vision entails six essential components that are crucial in achieving a robust and sustainable API architecture.


API Management System

  • Goal: Streamline and control APIs in order to identify consumers and track their usage.
  • Implementation: Employ API management platforms to monitor, protect, distribute, and analyze API usage.
  • Benefits: Improved security, greater insight into API usage, and simpler management of the API lifecycle. Effective API management with the appropriate tools allows you to monetize their usage, thus effectively managing partner relationships.


SOA platform for API publishing and management

  • Goal: Separate API consumption from data sources.
  • Implementation: Develop an SOA platform that acts as an intermediary layer between APIs, data sources, or applications.
  • Benefits: Greater modularization, streamlined maintenance, and service integration.


Implementing Data Virtualization

  • Goal: Provide access to required information while adhering to regulations, security protocols, and sensitive data distribution.
  • Implementation: Utilize data virtualization techniques to eliminate the need for information extraction and duplication.
  • Benefits: Decreased costs associated with storage and processing, ensured compliance with confidentiality standards, and enhanced data accessibility. Minimize API usage for short-term requirements or internal user access.


B2B communication tools

  • Goal: Ensure secure, efficient data transmission that is compatible with all protocols used worldwide while maintaining high performance. Improved communication and collaboration with partners worldwide, decreased risk of security breaches, and increased efficiency and productivity.
  • Implementation: Adopt B2B communication tools that support multiple protocols and provide enhanced security features for data transmission.
  • Benefits: Improved data security, more effective transaction volume management, and increased interoperability.


Powerful data transformation tools

  • Goal: Simplify API data processing complexity to enhance performance and ease the maintenance of complex transformations.
  • Implementation: Integrate advanced, specialized tools for data transformation to minimize the API workload.
  • Benefits: Improved API performance, reduced complexity, and easier data integration.


Channeling the development of API Architecture

  • Goal: Reduce API overuse and redundancy.
  • Implementation: Establish clearly defined procedures for API creation and upkeep.
  • Benefits: Improved resource management, decreased development expenses, and avoidance of unnecessary repetition.



At Satisco, our distinctive API architecture approach stands out through innovation and technical expertise. We leverage advanced API administration systems, a revolutionary SOA platform, and state-of-the-art solutions for data virtualization, B2B communication, data transformation, and development processes.

This synergy empowers us not only to satisfy current business needs but also to anticipate future ones by delivering solutions that are secure, efficient, and adaptable to future hurdles. This positions Satisco as an innovative leader in the field of API architectures, rather than as a follower.


An article by Alain KUNNEN, CEO of Satisco Group. 

API architecture yes, but!

The concept of Application Programming Interface (API) The concept of Application Programming Interface (API) has been around since the early days of computing, but its importance and evolution have significantly increased in the past few decades.   APIs in the 1960s-1970s APIs can be traced back to the 1960s-1970s when sets of routines, protocols, and […]

Satisco at 2023 TNT Symposium

Satisco, a major player in the financial industry, was pleased to participate in the 2023 TNT Symposium. The Luxembourg tech community held its annual event on November 22, 2023, at the European Convention Center Luxembourg (ECCL). This year’s symposium was important for tech enthusiasts and Satisco. It celebrated technological innovation, challenges, and the Delano Tech […]

Satisco Sponsored the 2023 Finance Awards

Satisco Sponsored the 2023 Finance Awards Satisco proudly announced its sponsorship of the 2023 Finance Awards. In partnership with Paperjam and Delano, Satisco was pleased to participate in an event that recognized excellence in finance. The event also acknowledged exceptional professionals who had made remarkable contributions to their field. As a sponsor, Satisco reaffirmed its […]

Discover our new Luxembourg country manager!

We are thrilled to introduce our new Country Manager for Luxembourg, Patrick Luc, who is set to lead Satisco into a new era of growth and success. With an impressive track record spanning over two decades in the Luxembourg market, Patrick has honed his skills across diverse functions in the Financial and IT sectors, including […]