Changelog

July 28, 2025

• Addet attribute to Invoices
  • last_reminder_sent_at

April 9, 2025

• Added ability to manage Webhooks via Client Credentials Flow.

March 6, 2025

• Added support for multiple tokens for Client Credentials Flow authorization.

February 6, 2025

• Added rate limit headers to all API responses. See the Rate-limiting documentation for more details.

January 6, 2025

• Added ability to Invoices and Expenses attachments to be defined as an array of objects.

December 13, 2024

• Added attribute to Expenses:
  • remind_due_date

September 13, 2024

• Added attributes to Subjects:
  • setting_update_from_ares
  • setting_invoice_pdf_attachments
  • setting_estimate_pdf_attachments
  • setting_invoice_send_reminders

August 22, 2024

• Added ability to pause and activate recurring generators.

August 3, 2024

• Added support for multiple attachments for Invoice and Expense resources.

July 1, 2024

• New version of webhooks released.

June 11, 2024

• Fixed user.id attribute in returned response body in Events. Server originaly returned user_id instead of id.

April 4, 2024 API v3 release - Changes from API v2

General changes

• Switched authentication from API keys to OAuth.
• Added JSON body to certain errors to provide more context.
• Removed Link header for pagination. Instead use page parameter to collect all items until response becomes an empty array.
• Removed support for HTTP Cache (ETag, Last-Modified headers).

Users

Additions

• Endpoint /user.json:
  • default_account
  • accounts:
  • registration_no
  • allowed_scope
• Endpoint /accounts/{slug}/users.json:
  • allowed_scope

Removals

• Endpoint /accounts/{slug}/users/{id}.json

Accounts

Additions

• plan_paid_users
• local_vat_no
• invoice_hide_bank_account_for_payments
• fixed_exchange_rate
• invoice_selfbilling
• default_estimate_type
• overdue_email_days
• send_repeated_reminders
• digitoo_enabled
• digitoo_auto_processing_enabled
• digitoo_remaining_extractions

Removals

• email
• street2
• bank_account
• iban
• swift_bic
• invoice_number_format
• proforma_number_format
• custom_email_text
• overdue_email_text
• eet
• eet_invoice_default
• html_url
• url

Bank Accounts

Additions

• expense_pairing
• created_at
• updated_at

Subjects

Additions

• has_delivery_address
• delivery_name
• delivery_street
• delivery_city
• delivery_zip
• delivery_country
• swift_bic
• currency
• language
• ares_update
• suggestion_enabled
• unreliable
• unreliable_checked_at
• legal_form
• custom_email_text
• overdue_email_text
• invoice_from_proforma_email_text
• thank_you_email_text
• custom_estimate_email_text
• webinvoice_history

Removals

• street2
• avatar_url
• enabled_reminders

Invoices

Changes

• Endpoint /accounts/{slug}/invoices/index.json
  Added query parameter document_type to filter by specific document types.
• Endpoint /accounts/{slug}/invoices/search.json
  Fulltext search does not search by tags anymore, but a new query parameter tags can be used instead.
• Endpoint for attachment download has changed from /accounts/{slug}/invoices/{id}/download
  to /accounts/{slug}/invoices/{invoice_id}/attachments/{id}/download

Additions

• document_type
• proforma_followup_document
• client_has_delivery_address
• client_delivery_name
• client_delivery_street
• client_delivery_city
• client_delivery_zip
• client_delivery_country
• paid_on
• uncollectible_at
• locked_at
• webinvoice_seen_on
• iban_visibility
• custom_payment_method
• lines:
  • total_price_without_vat
  • total_vat
  • native_total_price_without_vat
  • native_total_vat
  • inventory
• vat_rates_summary
• tax_documents
• payments
• attachments

Removals

• Endpoints removed in favor of a query parameter document_type in the invoices.json endpoint:
  • /{slug}/invoices/regular.json
  • /{slug}/invoices/proforma.json
  • /{slug}/invoices/correction.json
• From endpoint /accounts/{slug}/invoices/{id}/fire.json were removed following events:
  • deliver (in favor of Invoice Messages)
  • deliver_reminder (in favor of Invoice Messages)
  • pay (in favor of Invoice Payments)
  • pay_proforma (in favor of Invoice Payments)
  • pay_partial_proforma (in favor of Invoice Payments)
  • remove_payment (in favor of Invoice Payments)
• proforma (in favor of document_type attribute)
• partial_proforma (in favor of document_type attribute)
• correction (in favor of document_type attribute)
• your_street2
• client_street2
• paid_at (changed to paid_on and type changed from DateTime to Date)
• accepted_at
• webinvoice_seen_at
• eu_electronic_service (use oss instead)
• paid_amount
• eet
• eet_cash_register
• eet_store
• attachment (in favor of attachments)

Invoice Payments

Paying invoices (and deletion of payments) was extracted into a separate set of endpoints.

Invoice Messages

Changes

• Endpoint /accounts/{slug}/invoices/{invoice_id}/message.json returns 204 No Content on successful creation.

Expenses

Changes

• Endpoint /accounts/{slug}/expenses/search.json
  Fulltext search does not search by tags anymore, but a new query parameter tags can be used instead.
• Endpoint for attachment download has changed from /accounts/{slug}/expenses/{id}/download to /accounts/{slug}/expenses/{expense_id}/attachments/{id}/download.

Additions

• supplier_local_vat_no
• locked_at
• custom_payment_method
• lines:
  • total_price_without_vat
  • total_vat
  • native_total_price_without_vat
  • native_total_vat
  • inventory
• vat_rates_summary
• payments
• attachments

Removals

• From endpoint /accounts/{slug}/expenses/{id}/fire.json were removed following events:
  • pay (in favor of Expense Payments)
  • remove_payment (in favor of Expense Payments)
• supplier_street2
• paid_amount
• price
• native_price
• attachment (in favor of attachments)

Expense Payments

Paying expenses (and deletion of payments) was extracted into a separate set of endpoints.

Inventory Items

Changes

• Fixed response JSON for endpoint /accounts/{slug}/inventory_items/archived.json (is now the same as index).
• Fixed response JSON for endpoint /accounts/{slug}/inventory_items/search.json (is now the same as index).

Additions

• Endpoint /accounts/{slug}/inventory_items/low_quantity.json
• low_quantity_date

Inventory Moves

Changes

• Fixed Location header after inventory move creation.

Additions

• document

Generators

Generators and Recurring generators are now split, each with their own separate endpoints.

Additions

• iban_visibility
• custom_payment_method
• lines:
  • inventory_item_id
• legacy_bank_details

Removals

• Endpoint /accounts/{slug}/generators/recurring.json (use new Recurring Generators instead)
• Endpoint /accounts/{slug}/generators/template.json (not needed anymore)
• active (moved to Recurring Generators)
• recurring
• start_date (moved to Recurring Generators)
• end_date (moved to Recurring Generators)
• months_period (moved to Recurring Generators)
• next_occurrence_on (moved to Recurring Generators)
• last_day_in_month (moved to Recurring Generators)
• send_email (moved to Recurring Generators)
• eet
• eu_electronic_service

Recurring Generators

API for recurring generators was separated from regular generators (templates).

Events

Additions

• related_objects (includes all relations, replaces separate id attributes)
• params (contains extra details for a given event)

Removals

• invoice_id
• subject_id
• invoice_url
• subject_url

Todos

Additions

• related_objects (includes all relations, replaces separate id attributes)
• params (contains extra details for a given todo)

Removals

• invoice_id
• subject_id
• invoice_url
• subject_url

Reports

Reports endpoint was removed.