Do this instead:
client.println(F("GET /openenergymonitor/api/post?apikey=5eb553b60df99202de5846fb306792e3 HTTP/1.0"));
Does that work?
Do this instead:
client.println(F("GET /openenergymonitor/api/post?apikey=5eb553b60df99202de5846fb306792e3 HTTP/1.0"));
Does that work?