Getting started
API keys, first calls, the full invoicing cycle, SDKs and webhooks.
Documentation
Guides, API reference and explainers for building on the Nordlet accounting API.
Guides
SDKs
Install and initialize the Nordlet client in nine languages.
API conventions
Request shape, auth scopes, list queries, money, errors, idempotency, rate limits.
Bank & payment imports
camt.053 statements, Stripe CSV, PSP settlement reconciliation and custom JSON feeds.
Bank connections
Connect a bank through open banking, link its accounts, choose an import template, and sync transactions into the ledger.
Importing bank statements (camt.053)
Download an ISO 20022 camt.053 statement from your bank, set up an import template, and let Nordlet create partners, match invoices and post charges.
Importing from Stripe
Export payments from Stripe, set up an import template, and let Nordlet book fees, customers, invoices and refunds.
Migrating from another system
Bring a company's books over in one call — chart of accounts, partners, opening balances or full history, open invoices, fixed assets and stock.
EU VAT engine
Place-of-supply resolution, OSS/IOSS returns, SME exemption and distance-sales thresholds.
Revenue recognition (IFRS 15 / ASC 606)
Deferred revenue, ratable, milestone and percent-complete schedules, refund liabilities, subscriptions.
Group consolidation
Consolidation groups, full, proportional and equity methods, currency translation, eliminations.
Team roles
What each team role can see and change in a company — owner, admin, accountant, manager, developer, viewer.
Bills of materials
Recipes for produced items — components, scrap, routings, production orders and the costs they post.
Operation types
Name the kinds of documents your company issues, and set the ledger accounts, numbering and reporting each of them uses.
Filing as a German company
Which German returns and reports Nordlet sends, which files it produces for you to submit through your own accounts, and what each administration takes.
API reference
API reference
Interactive reference for every endpoint, generated from the OpenAPI spec.
OpenAPI spec (JSON)
The raw machine-readable spec for tooling and code generation.
Postman collection
Every endpoint, grouped by module, with bearer auth pre-wired.
Tax Guide
Countries
Country-by-country reference of corporate taxes, rates, filing forms and deadlines — with links to the underlying laws and official sources.
Corporate tax rates
The headline corporate income tax rate, country by country.
Small-business corporate tax
The reduced or start-up rate a small company pays, and how to qualify.
Dividend tax rates
What a resident shareholder pays on dividends, country by country.
VAT registration thresholds
The turnover at which a company must register for VAT, plus each country’s standard rate.
Tax analysis
Cross-border comparisons: effective rates, holding structures, thresholds.
Filing support
How each filing goes out, country by country
Every deadline Nordlet knows about in 30 countries, and whether Nordlet sends it, builds a file for you to upload, or leaves it to you.
Glossary
Glossary
Plain-English definitions of the accounting terms used across these docs, grouped by topic.
FAQ
Sales invoices
Creating, issuing, locking and sending sales invoices.
Document numbering and series
How invoice numbers are assigned and how to define your own series.
EU VAT schemes
Which VAT scheme an invoice gets and how it is printed.
Document capture and e-mail intake
Reading supplier documents by OCR and receiving them by e-mail.
Purchase invoices
Registering supplier documents and choosing expense accounts.
Partners
Partner card fields, bank accounts, addresses and files.
Debt reminders
Automatic overdue payment reminders.
Items and units
Item card fields, item kinds, units of measure and per-item accounts.
Stripe import
Payments export, transfers export, authorizations and refunds.
Bank imports
Statement files, bank connections and matching.
Warehouse and stock
Stock movements, lots and warehouses.
Ledger posting
How documents become journal entries.
Reports and exports
Report jobs and Excel exports.
Operation types
User-defined document types with their own accounts and flags.
Roles and access
Membership roles and API scopes.
Migration
Moving data from another accounting system.
Company settings
Company profile, series, operation types, units and recognition.
Lists, filters and Excel export
Column filters, column chooser, page size, totals and export.
File storage
The company file storage page.
Pay now links
Payment-initiation links on invoices.
Partnership points
The referral programme.
Changelog
Changelog
New features, meaningful changes and fixes, by release.
Legal
Terms of Service
The agreement between Nordlet and every business that uses the Nordlet application or API.
Privacy Policy
What personal data Nordlet collects, why, for how long, and what rights you have.
Data Processing Agreement
The GDPR Article 28 agreement under which Nordlet processes personal data on behalf of its customers.