Systems Integration & API
We connect your accounting, marketplace, shipping and payment systems into one reliable flow of data.
What this includes
- Xero, QuickBooks and Sage accounting & finance integrations
- Amazon, eBay and Etsy marketplace connections
- Royal Mail, DPD and DHL shipping, Stripe / Klarna / GoCardless payments, custom API development
Why teams choose Karga
- Senior engineers
- Experienced engineers on every project — code review, type safety and automated testing as defaults.
- Production-grade
- We ship reliable, observable systems and support them after launch, not just at handover.
- UK & Europe
- Delivery across the UK and Europe, remotely or on site, with clear scope and timelines.
Have a project in mind?
Book a free discovery call and we will outline an approach, technology choices and timeline.