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Fortnox

Interact with the Fortnox accounting API

Actions25

Order → Update

AI-generated

Summary

Update an existing order in Fortnox by specifying its document number and the fields to change, including optional detailed line items.

Inputs

  • Tenant ID (required) — The numeric tenant identifier for the Fortnox company, obtained during OAuth onboarding.
  • Document Number (required) — The Fortnox order document number identifying the order to update.
  • Update Fields — Collection of fields to update on the order. Can include billing address, customer info, dates, language, order remarks, payment terms, VAT inclusion, and more. Also supports updating order line items using the 'Order Rows' fixed collection, where each row requires an Article Number or Account Number along with optional quantities, prices, descriptions, and VAT.

Output shape

a single updated order record returned as JSON

The operation returns the updated Order object from Fortnox after applying the changes. Only fields set in 'Update Fields' are changed. Line items, if provided, fully replace the existing order rows. Errors during update halt execution unless 'Continue On Fail' is enabled.

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