A modern retailer runs on several systems at once. An online store takes orders, an inventory system tracks stock, a payment provider takes the money, and a carrier handles delivery. Each does its job well on its own. The systems are rarely the problem. The gaps between them are.
When those systems are joined up, an order placed online can be checked against stock, paid for, routed to the right store, and dispatched without anyone rekeying a thing. That is what it means to streamline operations. When they are not, your store teams fill the gaps with phone calls, spreadsheets, and back and forth. How you choose to connect ecommerce, inventory, payments and order fulfilment shapes your cost, your data accuracy, and how clearly your stores can see what is going on.
In short: retailers can connect ecommerce, inventory, payments and order fulfilment in three ways, point-to-point links, middleware that routes data through a central hub, or a unified platform where the core is one system. The approach you choose sets your cost, your data accuracy, and how clearly your stores can see stock and orders.
The appetite for connection is clear. Salesforce found that 88% of retailers say unified commerce is important or critical to their objectives, yet only 15% have fully realised the value. The gap is almost always in how the systems connect. There are three broad ways to do it, and this guide compares them.
What actually needs to connect
Before the approaches, it helps to be clear on what is being joined together. Four things sit at the centre of most retail operations.
The online store, or web portal, is usually a platform like Shopify or Salesforce Commerce Cloud, and it is where ecommerce orders come in. Inventory is the record of what stock exists and where, across stores and warehouses. Payments is how money is taken, in store and online, through providers and terminals. Order fulfilment is everything that gets the order to the customer, from picking in a store to dispatch by a carrier.
In many retailers each of these is a separate system from a separate vendor. The question is not whether you need them. It is how they talk to each other.
The three ways to connect retail systems
1. Point-to-point integrations
The simplest idea is to wire each system directly to the next. The ecommerce platform connects to inventory, inventory connects to the POS, the POS connects to the payment provider, and the order system connects to the carrier. Each link is built and maintained on its own.
For a retailer with only two or three systems, this can be quick and cheap to start. It does not scale gracefully, though. Every new system means new connections to every system it touches, and every time one vendor changes an API, the link it feeds can break. The number of connections to look after grows faster than the number of systems.
2. Middleware or an integration platform
The second approach puts a hub in the middle. An integration platform, sometimes called middleware or an iPaaS such as Jitterbit, connects to each system once and routes data between them through that central layer. Instead of many direct links, each system plugs into the hub.
This is more robust than point-to-point. There are fewer connections to maintain, and changes are handled in one place rather than across a web of links. It is a strong fit for retailers with a complex estate of specialist systems they need to keep. The trade-off is that you are still orchestrating several separate systems that each hold their own version of the data, so the hub has to keep them in sync, and that sync still has to be configured and maintained.
3. A unified platform
The third approach changes what is being connected. Instead of joining separate systems for the core functions, a unified platform builds them as one. POS, orders, inventory and fulfilment share a single operational view from the start, and the platform then integrates with the specialist tools a retailer still needs, such as its ecommerce store, payment providers, accounting software and carriers.
The point is not to replace every system. It is that the core of the operation, stock, orders and order fulfilment, lives in one place and does not need to be reconciled, while the best-in-class tools around it connect through confirmed integrations. For multi-store retailers in particular, that connected core is what gives clear store-level visibility by default.
The three approaches compared
The differences show up clearly across cost, upkeep, data accuracy and store-level visibility.
| Measure | Point-to-point | Middleware / iPaaS | Unified platform |
| Cost | Low to start, rises sharply as systems and links multiply | Moderate: platform licence plus setup, fewer links | Platform cost, but far less custom integration for the core |
| Upkeep | High: brittle links, each API change can break one | Lower, but the hub still needs configuring and maintaining | Lowest for the core: one system, integrations maintained by the vendor |
| Data accuracy | Variable: several sources of truth, prone to drift | Better if real-time, but data still lives in separate systems | Highest for the core: one shared position for stock and orders |
| Store-level visibility | Usually weak: often built for head office and ecommerce | Depends on what each connected system surfaces | Strong: built store-level by design |
| Best suited to | Very small, simple setups with few systems | Large estates of specialist systems a retailer must keep | Multi-store retailers wanting a connected core |
No single approach is right for everyone. Point-to-point can suit a very small, simple setup. Middleware suits a large estate of specialist systems a retailer is committed to keeping. A unified platform suits retailers who want the core connected by default and the specialist tools integrated around it, which is often where multi-store retailers land. Manhattan Associates found that only 5% of specialty retailers successfully connect their online and in-store experiences, and that the leaders who do grow around three times faster than the rest.
One order, from click to doorstep
The differences are easiest to see in a single order. Picture a customer placing an order through the retailer’s online store on Shopify.
On a connected setup, the next steps happen in seconds and without anyone rekeying. The platform checks stock across all stores and confirms the item is available. Payment is taken through the retailer’s provider, such as Windcave. The order is routed to the store best placed to complete it, based on stock and location. That store is notified, the item is picked, and the order is handed to Shippit for dispatch, with tracking flowing back to the customer. That is order fulfilment working as one flow.
On a disconnected setup, each of those handovers is a gap. The ecommerce order may not know the item just sold in a store. The payment may be captured but not matched cleanly to the order. The question of which store should fulfil it may be decided by a person checking screens. Each gap is a place where the order can stall, be cancelled, or go to a store that cannot actually fill it. Same order, very different experience, decided entirely by how the systems connect.
Where a unified platform fits
This is where Krisp Systems sits. Krisp Software built Krisp Systems as a unified platform, so POS, orders, inventory and order fulfilment work as one operational view rather than separate systems to reconcile. Staff and head office work from one cloud platform, reached through a single web portal, rather than logging into several.
Around that connected core, Krisp Systems integrates with the specialist tools retailers rely on, through confirmed integrations:
- Ecommerce: Shopify, Salesforce Commerce Cloud
- Accounting and ERP: Xero, NetSuite
- Tax engine: Avalara, TaxJar
- Payments: Tyro, Windcave, mx51, Aurus
- Fulfilment and delivery: Shippit
- Marketing, CRM and customer engagement: Salesforce, Klaviyo
- Store analytics: Shoppertrak
- Integration and data orchestration: Jitterbit, in-house integrator
- Peripherals and printing: Epson, Star, Zebra scanners
This is not an exhaustive list. Krisp Systems can integrate with other systems as well, as long as those systems are open to integration.
The aim is to streamline operations by removing the reconciliation work between the core systems, while still connecting cleanly to the tools a retailer already uses. Krisp Systems is designed to support multi-store retailers that want ecommerce, inventory, payments and order fulfilment working from one connected view, rather than several systems held together by links.
Frequently asked questions
How do retailers connect their web portals with inventory, payments and order fulfilment?
Retailers connect them in one of three ways: point-to-point links between each system, middleware that routes data through a central hub, or a unified platform where the core is one system. The right choice depends on cost, upkeep, data accuracy and how much store-level visibility they need. In every case the goal is to streamline operations, so an order flows from the web portal through stock, payment and order fulfilment without manual rekeying.
What does it mean to integrate retail systems?
It means connecting the separate systems a retailer uses, such as its ecommerce store, inventory, payments and fulfilment, so data moves between them automatically rather than being rekeyed. How they are integrated affects cost, accuracy and visibility.
What is the difference between point-to-point and middleware integration?
Point-to-point wires each system directly to the others, which is simple at first but brittle as systems multiply. Middleware, or an iPaaS, connects each system once to a central hub that routes data between them, which is easier to maintain across a larger estate.
What is a unified retail platform?
A unified platform builds the core functions, POS, orders, inventory and fulfilment, as one system with a single operational view, then integrates with specialist tools like ecommerce, payments and carriers. The core does not need reconciling because it shares one source of truth.
Why does the integration approach affect order fulfilment?
Because order fulfilment depends on several systems handing off cleanly: the order, the stock position, the payment and the carrier. If those are poorly connected, orders can stall, be cancelled, or route to a store that cannot fill them.
Does a unified platform mean replacing all your systems?
No. A unified platform connects the core operation in one place, but still integrates with the specialist tools a retailer wants to keep, such as its ecommerce store, payment providers, accounting software and carriers.
Want to make your stores part of a more connected commerce model? Talk to the Krisp Systems team about unifying POS, orders, inventory, and fulfilment into one retail foundation.
