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Fortnox integration

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Overview

Company website:

https://www.fortnox.se

Integration launch date:

August 2, 2026

API Categories:

Accounting E-Commerce HR & Directory Passthrough

API Authorization:

OAuth2 flow

ACCOUNTING CONTACT

End-API object:

customer supplier

Unified API Methods:

Webhooks:

Virtual

List options:

limit offset type updated_gte

Readable fields:

billing_address company_name currency emails first_name id identification is_active is_customer is_supplier last_name name shipping_address tax_number telephones

Writable fields:

ACCOUNTING ACCOUNT

End-API object:

account

Unified API Methods:

Webhooks:

Virtual

List options:

limit offset updated_gte

Readable fields:

balance customer_defined_code description id name status

Writable fields:

ACCOUNTING INVOICE

End-API object:

invoice

Unified API Methods:

Webhooks:

Virtual

List options:

limit offset updated_gte

Readable fields:

balance_amount contact_id created_at currency due_at exchange_rate id invoice_number is_inclusive_of_tax lineitems notes paid_amount reference status sub_total_amount tax_amount total_amount

Writable fields:

ACCOUNTING BILL

End-API object:

supplierinvoice

Unified API Methods:

Webhooks:

Virtual

List options:

limit offset updated_gte

Readable fields:

balance_amount bill_number contact_id created_at currency due_at id lineitems notes paid_amount status tax_amount total_amount

Writable fields:

ACCOUNTING ORGANIZATION

End-API object:

companyinformation

Unified API Methods:

List options:

Readable fields:

address id legal_name name tax_number

Writable fields:

ACCOUNTING JOURNAL

End-API object:

voucher

Unified API Methods:

Webhooks:

Virtual

List options:

limit offset updated_gte

Readable fields:

created_at description id lineitems posted_at reference source total_amount

Writable fields:

COMMERCE ITEM

End-API object:

article

Unified API Methods:

Webhooks:

Virtual

List options:

limit offset updated_gte

Readable fields:

account_id description global_code id is_active is_visible name prices total_stock type vendor_name weight

Writable fields:

HRIS EMPLOYEE

End-API object:

employee

Unified API Methods:

List options:

Readable fields:

address compensation emails employee_number employee_roles employment_status first_name hired_at id last_name name ssn_sin telephones terminated_at title

Writable fields:

PASSTHROUGH

Unified API Methods:

POST GET PUT DELETE

List options:

Readable fields:

Writable fields:

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