If you are an operator of trade or business (T:mi), an agricultural/forestry operator, select Manage your tax matters in MyTax. When you start with Manage your tax matters, you can access all your tax affairs. Read more: New in MyTax
Vero API
Vero API is an integration service for real time interactions with Finnish Tax Administration. It provides easy integration to tax processes for software developers. The service follows API standards.
Vero API is aimed for platforms, software vendors and other service providers who do their own software development. If you don't do your own software development, please contact your software vendor to request integration with these services.
The use of interfaces requires a user-specific certificate and a software-specific API key.
How do I get started?
The steps for implementing the Vero API interfaces are described in the guide "How to start using the interfaces." Please read the different steps and the related instructions carefully to ensure that the implementation of the interfaces is as smooth as possible.
Explore the Vero API interface family
Review the interfaces below and find out how their use could enhance the performance of your software.
Individual income tax
- Household expenses reporting for employee wages
- Household expenses reporting for companies
- Pensions and benefits reporting
- Pensions and benefits changed withholding data inquiry
- Withholding percentage request
- Rental income reporting
- Liability status Inquiry
Car tax
- Demonstration vehicle
- Car tax new vehicles monthly decision
- Car tax used vehicle decision
- New vehicles monthly return
- Price list filing
- Used vehicles return
- Get Vehicle-specific Return Status
- Get Vehicle Information
Decisions and letters
- Get letter
- List info requests
- List letters
- Send info request response attachment file
- Send info request text response
Roles
- Role registration update
- Role registration line of business and accounting period query
- Role registration information inquiry
- Tax period inquiry
IDs
- Get invoice address
- Payment reference inquiry
- Register tax number
- Send invoice address
- Validate tax number
Self-assessed taxes
- File VAT EC sales list
- File VAT return
- Get filed VAT return
- Get VAT periods
Corporate income tax
- Calculate CIT prepayment amount
- Get current CIT prepayment info
- Send CIT prepayment application
- Send profit distribution
- Share values inquiry
Excise Movement and Control System, EMCS
Businesses operating with products subject to excise duty and using EMCS can start submitting information on movement of products with this API.
Read more: EMCS interfaces will be transferred to the Vero API service.
Notification Service
- End Notification Subscription
- List Notifications
- List Notification Subscriptions
- Subscribe Notifications
- Get Notification
- Register Push
Excise duties
- Send excise duty return on soft drinks
- Send beverage containers duty return
- Send excise duty return on alcohol
- Send electricity excise duty return
- Get filed excise duty return
Attachments
There will be changes as of 17 November 2025 in the way attachment data files are sent.
The following APIs will no longer support sending attachments as part of the request:
- UsedVehicle (transition period: 1 year)
- SendInfoRequestAttachment
- SendProfitDistribution
After 17 November, you can send these attachments through the Send Attachment interface only.
Planned interfaces
In the sandbox you can find the current and planned interfaces. There you can review the preliminary descriptions of the data content of the new interfaces.
Go to the sandbox (link opens in a new window)
Please note that no decisions have been made concerning the implementation of these planned interfaces. The data contents of the interfaces may change.