Records show that in the 5 days since June 11, 2026, opendata.duesseldorf.de underwent 1 availability checks. Tests revealed that opendata.duesseldorf.de was reachable 1 times in total, with the most recent uptime occurring on June 11, 2026, and returning a code 200. As of June 17, 2026, there were no instances of inoperability for opendata.duesseldorf.de based on tests conducted. As of June 17, 2026, all received replies have confirmed that there are no errors in the responses. On June 11, 2026, 0.139 seconds contrasted opendata.duesseldorf.de's average 0.139 seconds response time.