
Build Your
Bjorn Lunden
Integration in Days, Not Weeks
Access
Bjorn Lunden
data through Zwapgrid. Build faster with secure connections, harmonised data and help with test installations and test data.
14 day trial, no credit card.


Access
Bjorn Lunden
data through Zwapgrid. Build faster with secure connections, harmonised data and help with test installations and test data.
14 day trial, no credit card.

Bjorn Lunden coverage in the Accounting API. Read and write support differ by resource.
| Resource | Read | Write / notes |
|---|---|---|
| Onboarding | ✓ Supported | Client-managed or Zwapgrid-managed; system ID: bjornlunden |
| Sales invoices | ✓ List + individual | Creation not supported |
| Supplier invoices | ✓ List + individual | ✓ Create |
| Customers | ✓ List only | Read only |
| Suppliers | Not supported / contact us | Not supported |
| Journals | ✓ List + individual | ✓ Create |
| Chart of accounts | Not supported / contact us | Not supported |
| Financial reports | Balance sheet · Income statement · Trial balances (v2) | Read only |
“Not supported / contact us” indicates an unavailable unified endpoint. Native API access depends on the separate Proxy.1 availability shown below.
| Method | Resource | Support |
|---|---|---|
GET | accountingaccounts | Not supported / contact us |
GET | accountingperiods | Not supported / contact us |
GET | balancesheet | ✓ Supported |
GET | companyinformation | ✓ Supported |
GET | customers | ✓ Supported |
GET | customers/{customerId} | Not supported / contact us |
GET | financialdimensions | ✓ Supported |
GET | incomestatement | ✓ Supported |
GET | journals | ✓ Supported |
GET | journals/{journalId} | ✓ Supported |
POST | journals | ✓ Supported |
GET | journals/{journalId}/attachments/{attachmentId} | Not supported / contact us |
POST | journals/{journalId}/attachments | ✓ Supported |
GET | proxy/{systemUrl} | ✓ Supported |
POST | proxy/{systemUrl} | ✓ Supported |
PUT | proxy/{systemUrl} | ✓ Supported |
PATCH | proxy/{systemUrl} | ✓ Supported |
DELETE | proxy/{systemUrl} | ✓ Supported |
GET | salesinvoices | ✓ Supported |
GET | salesinvoices/{salesInvoiceId} | ✓ Supported |
POST | salesinvoices | Not supported / contact us |
GET | salesinvoices/{salesInvoiceId}/attachments | ✓ Supported |
GET | salesinvoices/{salesInvoiceId}/attachments/{attachmentId} | ✓ Supported |
GET | salesinvoices/{salesInvoiceId}/attachments/printable | ✓ Supported |
POST | salesinvoices/{salesInvoiceId}/attachments | ✓ Supported |
POST | salesinvoices/{salesInvoiceId}/notes | Not supported / contact us |
GET | salesinvoices/payments | Not supported (system/API limitation) |
GET | salesinvoices/{salesInvoiceId}/payments | ✓ Supported |
POST | salesinvoices/{salesInvoiceId}/payments | ✓ Supported |
GET | supplierinvoices | ✓ Supported |
GET | supplierinvoices/{supplierInvoiceId} | ✓ Supported |
POST | supplierinvoices | ✓ Supported |
GET | supplierinvoices/{supplierInvoiceId}/attachments | Not supported / contact us |
GET | supplierinvoices/{supplierInvoiceId}/attachments/{attachmentId} | Not supported / contact us |
GET | supplierinvoices/{supplierInvoiceId}/attachments/printable | Not supported / contact us |
POST | supplierinvoices/{supplierInvoiceId}/attachments | ✓ Supported |
GET | supplierinvoices/payments | Not supported / contact us |
GET | supplierinvoices/{supplierInvoiceId}/payments | Not supported / contact us |
POST | supplierinvoices/{supplierInvoiceId}/payments | Not supported / contact us |
GET | suppliers | Not supported / contact us |
GET | suppliers/{supplierId} | Not supported / contact us |
GET | trialbalances (V2) | ✓ Supported |
| Platform capability | Availability |
|---|---|
| Zwapgrid-managed connection | ✓ Supported |
| Client-managed connection | ✓ Supported |
| Custom scope selection | Not supported (product decision) |
| Proxy.1 | ✓ Supported |
The Proxy API can reach native Bjorn Lunden endpoints, subject to the underlying API and permissions. Discuss your requirements →
Create supplier invoices and upload their supporting attachments.
Use trial balances, balance sheets and income statements as inputs for reporting and credit assessment.
With an API key and an authorised consent, retrieve sales invoices through the Accounting API.
curl 'https://apione.zwapgrid.com/accounting/api/v1/consents/{consentId}/salesinvoices?Count=100&CurrentPage=1' \
-H 'x-api-key: YOUR_API_KEY' \
-H 'x-correlation-id: YOUR_UNIQUE_GUID'Replace the placeholders. Use a unique correlation ID per request. Page through results with Count (1–100) and CurrentPage (starting at 1).
Explore the API documentation →
Supported sales-invoice status filters: Paid, Unpaid, Overdue, Cancelled. Check the endpoint documentation before adding other filters. Schedule reads to suit your product’s freshness needs.
Reuse the unified interface as you expand to more systems and markets. Coverage and local requirements vary, so validate each new workflow.
Start your 14-day free trial → Talk to us about Bjorn Lunden →
Banks, fintechs, and SaaS companies across the Nordics use Zwapgrid to automate integrations, access clean accounting data, and onboard SME customers faster.




We support multiple systems. View our full systems coverage.
Yes! We offer a 14-day free trial with full access to our API, documentation, and sandbox environment. No credit card required to get started.