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Uniship Blog

Guides, tutorials, and insights on shipping smarter across Europe.

Uniship 2026 Roadmap - What We Are Building and Why It Matters to You

New carriers, smarter carrier selection, a mobile SDK, and expanded PUDO coverage. I want to share where Uniship is headed this year and the thinking behind each decision.

Elena Navarro March 4, 2026 6 min read

Engineering

How to Test Shipping Integrations Without Accidentally Sending a Parcel to Test Testsson

I have lost count of the times a developer has pushed a shipping integration to production and accidentally created a real label with a fake address. Here is how to test properly.

Thomas Richter February 6, 2026

Industry Insights

Shipping in Germany - What I Learned About Europe's Biggest E-Commerce Market

Germany processes over 4 billion parcels a year. I have spent the past year studying its shipping landscape and talking to merchants who operate there. Here is what you need to know.

Elena Navarro January 15, 2026

Best Practices

Seven Shipping Cost Tricks That Actually Saved My Clients Real Money

Forget vague advice about negotiating better rates. I am going to walk through the specific strategies that have consistently cut shipping spend for the merchants I work with.

James Whitfield December 11, 2025

Engineering

What Happens When a Carrier API Goes Down and How to Make Sure You Do Not Care

Carrier APIs go down more often than anyone admits. I have spent years building systems that keep shipping regardless. Here is how automatic fallback strategies actually work.

Thomas Richter November 18, 2025

Industry Insights

Green Shipping in Europe - What Is Actually Working and What Is Just Marketing

I have spent months looking into sustainable shipping claims across European e-commerce. Some of it is real progress. A lot of it is greenwashing. Here is what I found.

Elena Navarro October 7, 2025

Use Cases

Selling on Allegro, Amazon, and Your Own Store Without Losing Your Sanity

Multi-channel selling creates multi-channel shipping chaos. I have spent years watching merchants juggle carrier portals and I want to talk about how to stop doing that.

Elena Navarro September 25, 2025

Use Cases

We Helped a Client Cut Support Tickets by 40 Percent With Proactive Delivery Notifications

Where is my order is the question that drowns support teams. I have seen what happens when you flip the script and start telling customers where their stuff is before they ask.

James Whitfield August 14, 2025

Engineering

How We Handle API Versioning So Carrier Changes Never Break Your Integration

Carrier APIs change constantly and without warning. Here is how our versioning strategy and backward compatibility guarantees keep your shipping integration stable while we absorb the chaos behind the scenes.

Thomas Richter July 8, 2025

Industry Insights

Shipping in Poland - What International Sellers Actually Need to Know

InPost dominates with over 20,000 lockers, Orlen Paczka is growing fast, and Poczta Polska is reinventing itself. I have spent three years watching this market evolve and here is the insider guide.

Elena Navarro June 17, 2025

Product Update

We Just Shipped Official SDKs for Node.js, Python, and PHP

After watching too many hand-rolled HTTP calls in our API logs, we built the thing everyone has been asking for. Official SDKs with type safety, automatic retries, and proper error handling.

Thomas Richter May 22, 2025

Use Cases

Returns Are Eating Your Margins - Here Is How to Build a Flow That Actually Works

Returns eat 20 to 30 percent of European e-commerce revenue. I have watched too many teams treat them as an afterthought. Here is how to build a returns flow that saves money and keeps customers happy.

James Whitfield April 10, 2025

Comparison

DHL vs DPD vs UPS - An Honest Take From Someone Who Has Integrated All Three

I maintain integrations with over fifteen European carriers. Here is a candid look at DHL, DPD, and UPS - their documentation quality, their quirks, and why you might want to think twice before integrating them directly.

Thomas Richter March 19, 2025

Best Practices

Why Adding Pickup Points to Checkout Boosted Conversion by 15 to 20 Percent for Our Clients

Adding a pickup point map to your checkout is not just a nice convenience feature. It measurably increases conversion rates and I have the numbers from over 140 merchants to prove it.

James Whitfield February 13, 2025

Industry Insights

Seven Shipping Trends Reshaping European E-Commerce in 2025

From the locker delivery explosion to the rise of API-first shipping, here is what the data actually says about where European logistics is headed this year. No speculation - just patterns I am seeing across hundreds of merchants.

Elena Navarro January 9, 2025

Engineering

What I Learned After Fixing Dozens of Broken Webhook Implementations

Webhooks sound simple until they are not. I have seen the same mistakes over and over again, and most of them come down to three things - signature verification, idempotency, and knowing when to respond.

Thomas Richter December 3, 2024

Best Practices

Preparing Your Shipping Infrastructure for Black Friday and Peak Season

Black Friday is weeks away. Here is a practical guide for making sure your shipping does not fall apart when order volume triples overnight.

James Whitfield November 5, 2024

Use Cases

Automating Warehouse Label Printing - A Practical Guide

Thermal printers, ZPL versus PDF, batch operations, and everything else you need to know about automating shipping label printing in your warehouse.

James Whitfield October 14, 2024

Industry Insights

The Real Challenges of Cross-Border Shipping in Europe and How to Solve Them

EU e-commerce is booming, but shipping across borders is still a mess. Customs quirks, VAT headaches, wildly different address formats - here is what you actually need to know.

Elena Navarro September 20, 2024

Product Update

Compare Shipping Rates Across Carriers in One API Call

No more juggling four carrier portals and a spreadsheet. Our new rate comparison feature lets you compare DHL, DPD, InPost, and more with a single request.

Thomas Richter August 8, 2024

Best Practices

How Address Validation Cuts Failed Deliveries by Up to Forty Percent

Failed deliveries cost European e-commerce businesses billions every year. Most of them are caused by bad address data that is completely fixable at checkout.

Elena Navarro July 18, 2024

Integration Guide

InPost Lockers - Everything You Need to Know for E-Commerce

InPost parcel lockers handle over 240 million deliveries a year in Poland alone. If you sell online and do not offer locker delivery, you are leaving money on the table.

James Whitfield June 12, 2024

Engineering

Seven Mistakes Developers Keep Making with Carrier Shipping APIs

I have reviewed hundreds of shipping integrations over the past two years. These seven mistakes show up again and again, and most of them are completely avoidable.

Thomas Richter May 15, 2024

Company

Why We Built UniShip - And Why Europe Needed It

European e-commerce shipping is broken into dozens of incompatible carrier systems. I spent years watching businesses struggle with it before we decided to do something about it.

Elena Navarro April 10, 2024

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