https://skmtc.net/bundesapi/apis/bundesnetzagentur-strommarktdaten/docs/chart_data/:filter/:region/index_:resolution.json/get 2026-08-01 0.5 https://skmtc.net/bundesapi/apis/bundesnetzagentur-strommarktdaten/docs/chart_data/:filter/:region/:filterCopy_:regionCopy_:resolution_:timestamp.json/get 2026-08-01 0.5 https://skmtc.net/bundesapi/apis/bundesnetzagentur-strommarktdaten/docs/table_data/:filter/:region/:filterCopy_:regionCopy_quarterhour_:timestamp.json/get 2026-08-01 0.5