Access
Bjorn Lunden
data through one unified API. Skip the complexity of OAuth flows, rate limits, and data mapping. Connect to
Bjorn Lunden
and 10+ Nordic ERP systems with a single integration.
14 day trial, no credit card.
Developers usually end up here because they are searching for:
Bjorn Lunden
API Docs
OAuth flow examples
Accounting endpoints
How to create invoices via API
Rate-limit workarounds
Automatic Fortnox updates
+42 other reasons
Instead of fighting the API, use one that is already production ready.
Unlock seamless accounting data for your customers without the massive overhead.
01
Write once, use across Fortnox, Visma, Björn Lundén, Procountor, Dinero, and more.
02
Standardized invoices, customers, accounting reports and files.
03
Stop handling edge cases manually. We queue, retry and normalize errors for you.
04
We manage authentication, tokens, refresh, and secure storage.
Automate bookkeeping flows for SaaS products and accounting software.
Eliminate manual data entry and streamline your financial operations
Enhance credit assessments with real-time trial balances and P&L data
Access critical financial reports instantly whenever you need them
Speed up SME onboarding for banks and lenders with instant financial connections
Accelerate approvals with automated document handling
Streamline factoring with unified supplier and sales invoice data
Build cash flow forecasting tools powered by live accounting data
OAuth token flows that break unexpectedly
Data models that differ from documentation
Rate limits that disrupt sync operations
Unexpected accounting edge cases and regional variations
Inconsistent webhook behavior and event delivery
Zwapgrid's abstracts away all this complexity — so your team can ship faster.
1
Sign up for Zwapgrid and access the Client Portal
2
Generate credentials to authenticate your connection
3
Define the scope for data access requests
4
Authorize the connection to enable data sharing
5
Test your endpoints and fetch real data
6
Launch your integration to the production environment
Banks, fintechs, and SaaS companies across the Nordics use Zwapgrid to automate integrations, access clean accounting data, and onboard SME customers faster.
