Connect once to access unified accounting data from thousands of SMEs across Europe. AI powered mapping, validation and working prototypes accelerate the path from idea to production.
Connect Once, Scale with Confidence.
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Sme reached
live systems
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sme reach
By year end
For most API providers, the answer is "wait 6 months, or build it yourself." Every new accounting system means months of reading documentation, reverse engineering data models, building authentication flows, and hoping the output is correct.
Connect.1 is how Zwapgrid solved this internally. It's not a product you install, it's a workflow, methodology, and toolchain that lets our team take any accounting system from zero to production in one month.
Time to production-ready integration
Typical in-house build
~6 months
Domain learning + auth + mapping + testing + maintenance setup
With AI, no domain expertise
~3 months
Faster code generation, but still blind to accounting domain nuance
Connect.1 by Zwapgrid
1 month
Domain expertise + AI workflow + automated QA pipeline
Accounting integrations are deceptively complex. Every fintech, lender, or SaaS company eventually needs to read accounting data from their customers. And every one of them hits the same wall.
Building it yourself
Months of work before you ship a single integration
Every accounting system has its own data model, VAT rules, and undocumented quirks. Someone on your team has to understand all of it before writing a single line of code.
Each accounting system has its own authentication flow. You'd need to design, build, and maintain a customer facing UI for every single one, before your customers can even connect.
You can use AI to write the code, but without accounting domain knowledge, you won't know if the output is actually correct. You'll ship bugs you won't even recognize as bugs.
APIs change. Accounting laws change. What you build today becomes a maintenance burden tomorrow, a distraction from your actual product.
Want to support Fortnox, Business Central, and Visma? That's three separate multi-month projects just to cover Sweden.
With Zwapgrid
Production ready on day one
We've spent years understanding Nordic accounting systems. VAT logic, bookkeeping rules, invoice structures, all handled. You get clean, reliable data without touching the complexity.
Your customers get a single, polsihed flow to authenticate with any accounting system, built and hosted by us. No UI to design, no auth logic to implement, no edge cases to handle.
We use AI throughout our development process, guided by deep domain knowledge, to ship integrations faster and at higher quality than a traditional build team could.
When an API changes or a new accounting system version ships, we handle it. Your integration keeps working without your team lifting a finger.
Fortnox, Business Central, Visma, Tripletex and more, all returning data in the same format through one API. Cover the entire Nordics without extra dev work.
Our API is built to transform complex accounting integrations into a seamless experience. From unifying data across multiple systems to simplifying the onboarding process and delivering reliable, scalable solutions, we ensure your business is always a step ahead.
Connect to multiple accounting systems effortlessly and access standardized data through one unified schema. Say goodbye to inconsistent formats and hello to actionable insights.
Our onboarding system allows your customers to authorize access with just a few clicks. No technical hassle - just a smooth, guided process from start to finish.
Engineered for reliability and performance, our API handles growing demands effortlessly. Enjoy enterprise-grade uptime, robust security, and scalable architecture that grows with your business
Our team uses AI throughout the development process to ship integrations faster and with higher quality. But speed alone isn't the point, it's the combination of AI and years of accounting domain knowledge that makes our integrations genuinely reliable.
Invite your customer to securely connect to share their accounting data.
Your customer will go through the Onboarding Flow, where they choose the system they want to share data from.
Your customer will sign in into their accounting system, allowing our API to securely share the data with you
That’s it - you will now be able to get real-time accounting data straight from your customer's accounting system, through our API!
We’re honored to partner with forward-thinking companies and deeply value their insights, feedback, and continued support.
We’ve looked at and assessed a range of integration solutions on the market, and Zwapgrid stood out. Their approach allows us to better understand our customers’ financial situation in real time, while automating a number of tedious and costly tasks behind the scenes.
Thanks to Zwapgrid, we get access to all the data in more countries. Another problem they solntegrating with Zwapgrid was seamless. Their API and documentation made it simple, and it meant our developers could stay focused on building great visualizations for our customers, not integrations.
It also gave us the ability to scale internationally without worrying about local ERP differences.
We have set ambitious goals to deliver an efficient experience to our business customers while reducing the internal stress and risks associated with the assessment and administration of factoring. Standardising how we receive invoice data is an investment that will help us now and in the future. Zwapgrid API.1’s combination of delivering file and API data in a unified way stand out as both unique, powerful and efficient
Companies that choose Zwapgrid aren't buying an API — they're buying back the months of engineering time they would have spent on something that isn't their core business.
