@user87799 headers won't be a problem, I don't think, but ESP8266 on the NodeMCU is not capable of HTTPS communication via Espruino, so unless Adafruit offer the http:// schema on their API you'll need use a Pico or Espruino Wifi (or maybe ESP32 - I'm not too familiar).
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@user87799 headers won't be a problem, I don't think, but ESP8266 on the NodeMCU is not capable of HTTPS communication via Espruino, so unless Adafruit offer the
http://
schema on their API you'll need use a Pico or Espruino Wifi (or maybe ESP32 - I'm not too familiar).