API service for company information

By connecting the business search directly to your own service, you can create the best possible user experience combined with the certainty of the correctness of the information.

Benefits of using Kontakto

Fast and clear

Get comprehensive search results faster than from any other source.

Comprehensive

Access basic information and e-invoicing details for all Finnish companies from a single source.

Up to date

Always get the latest information that matches official records.

Easy to subscribe

Get instant API access with a free one-week trial period. Our pricing is extremely reasonable.

How to use the Kontakto API to create a good user experience?

How the API works

Our API follows REST principles and returns data in JSON format. Authentication is handled via API keys which you can get by registering to the service.

A simple API request to search for a company might look like this:

GET https://api.kontakto.fi/v1/companies?name=example

The response includes comprehensive company information in a structured format that's easy to parse and use in your applications.

SEE THE DOCS (API)

Ready to get started?

Navigate to the Settings page in your account

Request API keys through the API section

Receive your API keys within one business day

If you have any questions or need assistance, please contact us at: support@kontakto.fi