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Additional information for implementers of the OUT-integration

PTV is currently undergoing an architectural reform, which will include the release of API version 12 and, after a transition period, the shutdown of the version 11. Please take this change into account when planning your new integration!

API and architecture reform


First read the instructions on the page Technical documentation for implementers of integrations.

The service level accessibility goal for the Finnish Service Catalogue is 99.5% and disruptions are rare. However, to guarantee the reliable operation of the integration, we recommend that you retrieve the data for intermediate storage in your own system and also retrieve the changed data from the FSC regularly, for example, once a day.

In addition to changed data, it is important to retrieve all data regularly, for example, once a week. If you retrieve only the data that has changed in the contents, you do not get the changes that have taken place in the connections. This is because updating a connection does not change the modification date of the service or channel.

Instructions for using OUT-interface methods

Data can be retrieved in very many different ways. You will find all the methods and their instructions in Swagger.

Example instructions for the most common use cases


Updated: 1/4/2026

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