The Blinkstick API allows changing the color or the publicly available Blinkstick device via HTTP GET request. You can use any web browser to send a request, curl utility on Unix operating systems or any other application that supports sending HTTP requests.
BlinkStick is smart LED controller with integrated USB firmware. It plugs into your computer and allows control the color of individually addressable or single color LEDs and LED strips and wide range programming language implementations give you the power to control the LEDs without the need to program a microcontroller.
It acts as a HID (Human Interface Device) and does not need any additional drivers. It uses ATTiny85 microcontroller with V-USB firmware.