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Spot quote dashboard

fLex now runs on .NET 8 – What It Means for Freight Forwarders Using CON-LINQ 

fLex SPOT

23/06/2026

If you’re evaluating digital quoting and booking platforms in 2026, here’s what you need to know about fLex and the technology behind it. 

fLex is the flagship platform from CON-LINQ, built specifically for freight forwarders and LSPs. It handles carrier rate management, instant quoting, and booking across all transport modes – air, ocean, road, rail, courier, and parcel. Forwarders upload their carrier rate cards, compare SPOT and contracted rates side by side, and send branded commercial offers to customers, all from one interface. More at con-linq.com. 

fLex has just completed a significant infrastructure upgrade: the underlying API platform now runs on .NET 8, a modern Microsoft long-term support (LTS) release. 

What Changed Under the Hood 

This isn’t a cosmetic update. Migrating to .NET 8 touches the core of how fLex processes requests, handles data, and integrates with external systems. 

Every integration connected to fLex – your TMS, ERP, accounting system, carrier connections, and custom-built tools – is now called from the .NET 8 platform as well. The whole chain runs on one modern, consistent foundation rather than a mix of old and new. 

The day-to-day interface looks the same. But the foundation is now faster, more secure, and aligned with modern development standards – and that matters more than it might sound. 

A lot of freight software was built over a decade ago and still runs on frameworks Microsoft no longer supports. The result: slower performance, growing security debt, and a widening gap between what the platform can do and what the market actually needs. fLex has moved past that. 

What’s New in This Release 

Alongside the platform upgrade, three core backend pages have been fully ported to the new foundation: 

  • Manage Bookings 
  • Manage Pickups 
  • Invoice Control 

These pages now benefit from new features and noticeably improved speed – making the daily operational work behind every shipment quicker and smoother. 

Why This Matters for Freight Forwarders 

Reliability 
A supported, actively maintained framework means fewer unexpected failures and faster recovery when issues do occur. For a quoting platform your sales team relies on every day, uptime isn’t optional. 

Security 
.NET 8 includes Microsoft’s latest security patches and cryptographic standards. For freight forwarders handling commercial rate data, customer information, and carrier contracts, that baseline is non-negotiable. You’re not running on infrastructure that stopped receiving security updates. 

Innovation Speed 
When the platform’s foundation is current, new features ship faster. CON-LINQ’s development team can build on modern APIs and tooling rather than working around outdated dependencies. That directly affects how quickly fLex can respond to what forwarders actually need. 

What fLex Does – Use Cases Worth Knowing 

Instant Spot Quoting 
Sales teams using fLex significantly reduce the time spent producing quotes. Instead of chasing rates across spreadsheets and email threads, you get a consolidated view of contracted and SPOT rates -ready to turn into a branded customer offer in minutes. 

White-Label Booking Portals 
fLex lets you present a fully branded experience to your customers. Your logo, your colours, your rates. Customers interact with your portal, not a third-party interface. That’s a real differentiator when you’re competing against larger forwarders with bigger marketing budgets. 

Multi-Modal Rate Management 
Air, ocean, road, rail, courier, parcel – managed in one place. No more switching between separate tools for different shipment types. fLex connects directly to carriers, airlines, express and parcel carriers via API and RPA, covering the traditional freight modes along with the full CEP segment. 

ROI That Shows Up Quickly 
Forwarders typically see returns from faster quoting, fewer manual errors, and the ability to handle more volume without adding headcount – gains that add up quickly after going live. 

A Thank You to Our Customers 

A special thank you to the customers who took part in migration testing and shared their feedback along the way – your input has been invaluable in shaping this release. As you start working with the new API, Manage Bookings, Manage Pickups, and Invoice Control screens, we’d love to hear your thoughts. And as always, thank you for your continued support and trust in fLex. 

Ready to See fLex in Action? 
Schedule a free demo and see how fLex handles your quoting and rate management workflow.