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What do different integration approaches have in common with shoes?

By
Carla Hetherington
Published on
October 19, 2023
Updated on
June 24, 2026
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In the realm of technical integrations, the approach you choose can be likened to your choice of footwear. Whether you integrate different systems via custom code or with an iPaaS, much can be said for both approaches and how they relate to different types of shoes. Now, you might be wondering: “What do different integration methods have in common with shoes?”. This is, of course, a valid question, but don’t worry, it will all tie in together at the end. Ready to uncover this uncanny analogy and learn more about integration best practices? Keep on reading!

What is custom code integration?

Custom code integration refers to the process of developing software code that connects two or more applications or systems, often developed in-house by developers or outsourced to third-party vendors.

What are the main advantages of custom code?

Its main advantage is perhaps its customization capabilities, since, like the name indicates, custom code integration allows developers to tailor the code to meet specific requirements and needs. Additionally, custom code allows for control over the data fetched and presentation details for your data. Finally, developers who build the code have extensive knowledge of the code, since whoever writes it knows exactly what it contains.

What are the main disadvantages of custom code?

Custom code integration is an “old-school” approach that most businesses have already fazed out by now mainly due to its time-consuming nature as developers must write code from scratch and test it thoroughly to ensure it works correctly. Additionally, custom code integrations require ongoing maintenance and support done manually by experienced technical professionals, which can be extremely costly and, once again, time-consuming. Lastly, custom code integrations are not scalable, as they often require significant development resources to add new features or functionality, especially in today’s fast-paced and ever-evolving digital landscape.

The main problem with custom code: a tangled mess

Despite clear drawbacks, custom code integration can, in fact, offer the desired customization for small-scale projects and businesses with few applications who are not looking to invest in a more long-term solution. However, the main issue with custom code integration is impaired scalability: while it may work for building point-to-point integrations, it’s difficult to build an entire IT ecosystem with multiple integrations using custom code. Let’s talk about it.

On average, companies use anywhere from two to hundreds of SaaS applications within their organization. As such, the more applications a business tries to integrate, the more these point-to-point connections become a tangled mess. This, in turn, results in a jungle of criss-crossing data flows and loosely integrated applications filled with data silos. The outcome: an entangled IT ecosystem that stands in the way of growth.

What do shoe laces have in common with custom code integration?

If we were to think about this situation as an analogy, we could equate these custom code integrations to shoes with laces. Here’s how: As we all know, tying your shoe laces can be a frustrating and time-consuming task, especially when you are running late. Similarly, building point-to-point integrations with custom code is also a lengthy and oftentimes frustrating endeavour, especially if you are trying to have your application integrations up and running to get to market faster.

Laces also get tangled often and magically come undone, causing you to trip or needing you to stop and tie them again. A similar thing happens when trying to build custom code integrations: they require constant maintenance and vigilance, and can collapse when not monitored correctly, causing black-box challenges and massive budget overruns in addition to crucial data loss and negative business impact. But what if you could switch the tangled laces for velcro…?

Introducing the Alumio iPaaS, the velcro shoes of integrations

The Alumio iPaaS is a low-code, cloud-native integration platform that enables companies to connect two or more systems, SaaS solutions, cloud applications, or data sources from one central hub in a fast, scalable, and secure way.

In a velcro-like fashion, Alumio allows users to freely experiment with adding or replacing new application integrations within their IT ecosystem, without losing data integrity, and, of course, without the hassles of custom code. To integrate popular software on demand, the Alumio iPaaS also provides a growing selection of connectors and offers integration tools to flexibly modify and adjust these pre-written configurations for popular applications to suit specific business needs.

No more tripping: Alumio helps businesses skip the high costs, time, and risks of developing, maintaining, and troubleshooting custom code integrations, which often devour a business' ROI. The platform eliminates black boxes and budget overruns by making all integrations and data flows visible on one user-friendly interface, which developers, project managers, and business owners can understand and collaborate upon.

Additionally, the platform’s built-in monitoring and logging features help keep track of every process, data transfer, request, and change across all integration, instantly detecting any integration errors or API conflicts, which users can swiftly troubleshoot and resolve via an intuitive dashboard, saving significant time and labor costs.

Conclusion

In the world of technical integrations, businesses looking for a one-shoe-fits-all solution may have to change their shopping habits. While custom code integrations may have been the go-to in the past, the advent of Integration Platforms as a Service (iPaaS) has revolutionized the game. Just like velcro-fastened shoes offer convenience and efficiency, Alumio allows businesses to leave tangled messes behind and empowers the seamless connection of different systems. Fostering a faster time-to-market and quick adaptability to the ever-evolving tech landscape, an iPaaS like Alumio is the only solution for businesses looking for a scalable and future-proof integration method.

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FAQ

Integration Platform-ipaas-slider-right
What is the right integration approach for your business: custom code or iPaaS?

The right integration approach depends on the specific requirements: custom code integration is flexible and provides maximum control, suited for highly unique requirements, small stable landscapes, and teams with strong development capability who can sustain the maintenance. iPaaS is suited for organizations with multiple integrations, any of which connect to complex back-office systems, where development capacity is limited relative to integration needs, or where governance (monitoring, audit logging, version control) is a requirement. The shoe analogy holds: the right choice is the one that fits the specific context: a running shoe is better than a dress shoe for the race, and vice versa for the meeting.

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What are the advantages of custom code integration and when do they apply?

Custom code integration advantages are: full control over every aspect of the integration logic, no platform subscription cost, and no vendor dependency for the integration infrastructure. These advantages apply when: the integration requirement is highly unique and involves proprietary protocols that no platform connector covers, the organization has dedicated integration development expertise that can sustain the maintenance long-term, and the integration landscape is small and stable enough that the absence of centralized monitoring and governance is not a material risk. For most modern digital commerce contexts, these conditions do not apply, which is why iPaaS adoption is accelerating.

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What are the disadvantages of custom code integration that businesses often discover post-implementation?

The disadvantages of custom code integration that surface post-implementation are: maintenance burden as systems update (each update to a connected system risks breaking the custom code, requiring developer time to diagnose and fix), knowledge concentration risk (when the developer who built the integration leaves, the organization cannot easily maintain it), silent failure risk (without monitoring, integration failures go undetected until customer or financial impact surfaces them), and poor scalability (adding new systems requires building N new connections rather than connecting to an existing backbone). Each of these becomes more consequential as the organization and its integration landscape grow.

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How does the 'shoes' analogy help explain the iPaaS versus custom code choice?

The shoe analogy captures the fit-for-purpose nature of the choice: custom code is like bespoke shoes: perfectly fitted for the specific foot and occasion, but expensive to make, requiring specialist craftspeople to maintain, and not easily adaptable to different occasions. An iPaaS is like high-quality off-the-shelf shoes: excellent quality, faster to acquire, more versatile across occasions, and supported by the manufacturer for ongoing maintenance. Neither is universally better; the right choice is the one that fits the context. For most businesses managing multiple integrations in a growing digital landscape, the iPaaS's versatility, maintenance support, and scalability make it the better fit.

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At what point should a business move from custom code to an iPaaS?

The migration trigger points are: three or more active integrations that require ongoing maintenance and monitoring, any integration connecting to a complex back-office system (ERP, custom WMS) that custom code struggles to maintain through API version cycles, integration failures that are discovered reactively rather than through proactive monitoring, developer time spent on integration maintenance exceeding 20 percent of total development capacity, or a new integration project where the estimated build-and-maintain cost over three years exceeds the iPaaS subscription cost for the same period. Most growing digital commerce businesses reach at least one of these triggers within 12 to 18 months of their first custom integration go-live.

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How does Alumio balance platform governance with flexibility for custom requirements?

Alumio balances governance with flexibility through its layered architecture: the standard config-first Route builder and Transformer components handle the majority of integration scenarios without code, providing governance and accessibility. For scenarios requiring custom logic beyond standard components (proprietary legacy protocols, complex conditional transformation, custom validation rules), Alumio's PHP-based Code Transformer and custom connector development environment allow custom code to be written within the platform's governance infrastructure. This means custom code benefits from the same monitoring, logging, deployment management, and version control as configured components: combining the flexibility of custom code with the governance of a managed platform.

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