Changelog

Release 2026-10-08

This release prevents duplicate document imports and restricts base data updates and the journal entry webhook to Universal Accounting.

API Changes

• POST /api/public/v1/documents/document rejects a document whose externalId already exists in your organization with 409 Conflict. The response contains the konteraId of the existing document. See Documents | Avoiding Duplicates
• PATCH /api/public/v1/base-data is only available for organizations using Universal Accounting or not yet connected to an accounting system. Other organizations receive 403 Forbidden. See Base Data API
• The journal entry webhook is only sent for organizations using Universal Accounting. See Webhook | Export journal entries

Release 2026-06-18

This release adds employee information to exports and fixes a missing field in base data exports.

API Changes

• Add employee object to journal entries in Universal Accounting JSON exports. It is present when the receipt was paid by an employee (payment type expenses-employee) and contains employeeId, firstName, lastName, email and mobile. See Universal Accounting | Export | API reference | Employee
• Base data exports (GET /api/public/v1/base-data) now include the usedForPayments field on accounts (previously omitted). See Universal Accounting | Import | API reference | Chart of accounts

Release 2026-01-11

This release adds Base Data API endpoints and a new endpoint to download exported document files.

API Changes

• Add GET /api/public/v1/base-data endpoint to export base data in Universal Accounting JSON format
• Add PATCH /api/public/v1/base-data endpoint to update base data using Universal Accounting JSON format
• Add GET /api/public/v1/documents/files/:id/download endpoint to download files from exported documents
• Add new OAuth scopes: api:base-data:read, api:base-data:update, api:documents:read-exported
• The files array is now always included in Universal Accounting JSON exports (previously only when file export was enabled)
• The contentAsBase64 field in file entries is now optional - it is only included when file export is enabled in the configuration
• Add credit-card-statement-file-kontera-id dimension to journal entry lines
• Add postingType field to invoice object in Universal Accounting exports
• See Base Data API documentation
• See Universal Accounting Export Specification
• See Journal Entry Dimensions

Release 2025-03-20

This release adds our preview release for our public API endpoints. It allows you to upload files and import transactions into Kontera.

API Changes

• Add documentation for our JSON-based HTTP API

Release 2025-02-24

This release adds dimensions to the export.

API Changes

• See Dimensions Universal Accounting | Export | Entries | Dimensions

Release 2024-08-06

This release adds support for up-front configuration of exports, webhooks, open items processing and payment advises.

API Changes

• Add optional configuration object to Universal Accounting | Import | API reference | Configuration
• Add optional paymentAdvises array to Universal Accounting | Export | API reference | Payment Advises
• Add optional files array to Universal Accounting | Export | API reference | Files

Release 2024-05-01

This release adds support for contacts throughout Universal Accounting.

API Changes

• Ability to import contacts using contacts, see Universal Accounting | Import | API reference | Contacts
• New fields in contact property, see Universal Accounting | Export | API reference | Contact
• Add optional taxRequired field to Universal Accounting | Import | API reference | Taxes
• Add optional country field to Universal Accounting | Import | API reference | Taxes
• Add optional swissVatFormDigitForReverseChargeLiability field to Universal Accounting | Import | API reference | Taxes