Problem solved!

Setup -> Settings -> System setup -> local networks (NO USERNAME/PASSWORD) field filled with "127.0.0.*;192.168.1.*"

Thank you for your help!

I found settings for web-based users, but not for users as device....

Hello guys,

I tried to send data from ESP8266 to Domoticz, but I have perma error.

My sending function part is:

const char* host = "192.168.1.66";
const int port = 11280;
http.begin(host,port,url);
int httpCode = http.GET();
if (httpCode) {
if (httpCode == 200) {
String payload = http.getString ...