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Fiken API

Norwegian accounting system for small businesses.

Configuration

Setting Value
Base URL https://api.fiken.no/api/v2
Auth Bearer token
Rate limit 120 req/min
Company slug Configured in secret

Key Endpoints

Endpoint Method Purpose
/companies/{slug}/invoices GET List outgoing invoices
/companies/{slug}/purchases GET/POST Supplier invoices
/companies/{slug}/expenses GET Expenses
/companies/{slug}/journal-entries POST Manual bookings (utlegg)
/companies/{slug}/accounts GET Chart of accounts
/companies/{slug}/contacts GET Suppliers/customers

VAT Types

Value Rate Norwegian
HIGH 25% Standard
MEDIUM 15% Mat/restaurant
LOW 12% Transport
EXEMPT 0% Eksport

Used By

Only the Accounting API's FikenProvider component calls the Fiken API. Book-E never calls Fiken directly.