API changelog

Changes that can affect API integrations.

v2026.51 API 1.1.1

  • changedStock item codes and document item stock item codes now support up to 30 characters.
  • addedTax rates can now be managed through the `/taxrates` endpoint.
  • addedConfigurable VAT rates are supported through `tax_code` for stock items, document items, and project items; clients can define `default_tax_code`; document responses include tax totals per tax code; and documents support `global_tax_exemption`.

Initial version API 1.1.0

  • addedInitial publication of the OpenAPI documentation.