People Monitoring REST - Implementation guide
To find more details description of the schema use Swagger documentation available online here: https://api-test.bisnode.fi/people/register-monitor/v2/swagger
You can also use Swagger to test how REST endpoints actually works and what they return.
You can use Swagger to quickly test APIs
Notice if you generate domain objects directly from Swagger schema you may need to extend it manually. The real schema is some what more dynamic than Swagger UI is able to show.