Request

To check the valid times for the current forecast, you can use https://opendata-download-metfcst.smhi.se/api/category/pmp3g/version/2/validtime.json (with correct category and version ). In the answer you get the valid time list. You can use the answers to specify what valid time to ask for in the MultiPoint request.

GET /api/category/{category}/version/{version}/validtime.json
Category For now, there are one category for the API, pmp3g.
Version When the API for a given category is changed, the version is increased. Old versions will be available for a limited time.