I have a Blynk server installed on a Raspberry Pi 2. I have a project with Arduino / ESP8266 in WiFi that works, I can turn on / off a LED via the Adroid application. BUT if I want to go through a URL (or IFTTT webhook), nothing happens. My local server is well accessible via the Internet, ports dedicated to Blynk are open and redirected to the server.
I tested in the browser:
Thanks for help !