GET /api/classifications/v2/classifications/sektoriluokitus_1_20130101/classificationItems/S.129?format=api
HTTP 200 OK Allow: GET, HEAD, OPTIONS Content-Type: application/json Vary: Accept [ "https://data.stat.fi/api/classifications/v2/classifications/sektoriluokitus_1_20130101/classificationItems/S.129?format=api" ]