A faster storefront. A stronger operational backbone.
A monolithic storefront had tied the customer experience to the operational systems behind it. Separating the two and connecting them through APIs made the site 50% faster and put inventory and pricing in real time.
Coupled together by accident
Most commerce estates become monolithic gradually. A platform is chosen, then extended again to carry operational logic that had nowhere else to live: pricing rules, stock rules, behaviour for particular customers. Each addition is defensible on the day. The accumulated result is a storefront that cannot be changed without risk to the operation, and an operation that cannot be changed without risk to the storefront.
The visible symptom was performance. Pages carried the weight of logic that had nothing to do with what a customer sees, and the site was slow in a market where slow costs orders. Underneath sat two quieter problems: teams entering the same data in more than one place, and inventory visibility that differed depending on which screen you looked at.
Inconsistent availability is the more serious of the two. It is not a reporting inconvenience: it decides whether a customer is sold something that can actually be shipped. Once people stop trusting the number on the site they compensate with manual checks, and before long the manual check is the process.
Separate the experience from the backbone
The options were to keep optimising the monolith, to replace the whole estate in one programme, or to decouple the customer experience from the ERP and define a deliberate contract between them. Further optimisation would have bought time without removing the constraint. Full replacement would have put the trading platform and the operational systems at risk in the same window, rarely a sensible trade for a business that is growing while it changes.
Link-IT separated the storefront from the ERP and connected the two through custom APIs. The storefront serves the customer experience and nothing else. NetSuite remains the operational source of truth for inventory, pricing and orders. The API layer is the controlled exchange between them: availability and pricing move outward in real time, digital orders move inward into the operational process without double-keying.
Decoupling only pays off if the boundary is honest. That meant deciding which system owns each piece of data and holding the line when it became inconvenient, sizing the ERP for the traffic pattern a storefront actually produces, and agreeing what the site should do when the backbone is unavailable. Those decisions are the difference between a headless architecture and a distributed monolith, and they are the same judgements that shape any engagement of this kind, whatever the situation a business is scaling into.
Decoupled experience
The storefront can evolve without destabilising the ERP backbone.
Real-time availability
Inventory and pricing are synchronised rather than manually maintained.
Cleaner order flow
Digital orders move into operations without double-keying.
Multi-channel ready
The architecture supports expansion into additional digital channels.
What changed for customers and for operations
The website experience improved by 50%. Inventory and pricing are synchronised in real time rather than maintained by hand in two places, so what a customer sees reflects what the operation can fulfil, and digital orders arrive in the operational process without being re-entered.
The architectural gain is that the two sides can now move at different speeds. The storefront can be changed, tested and released without destabilising the ERP backbone, and the same API layer is ready to carry additional digital channels rather than requiring a parallel build for each one.
improvement in website speed.
inventory and pricing synchronisation.
architecture ready for additional digital channels.
What this means more widely
Headless is usually discussed as a front-end choice. It is really a decision about ownership: which system is authoritative for which data, and how everything else is allowed to ask.
- A slow site is often an architecture symptom. Treating it as a front-end problem buys a temporary improvement and leaves the cause in place.
- Decide data ownership before you decide platforms. The contract between the systems matters more than either system does.
- Decouple rather than replace where you can. A trading business rarely benefits from putting the storefront and the ERP at risk in the same window.
- Real time is a commitment, not a feature. It only holds if someone owns what happens when the exchange fails.
The test of this architecture is not the launch. It is the third channel, added a year later, that reuses what already exists instead of starting again.
See more transformation work.
Explore how Link-IT approaches ERP, integration, data and digital architecture through a commercial lens.