Pass in a URL as parameter and you will receive a response URL with a 4 digit number, which you can use as a shortcode to redirect to the corresponding page.
https://daa-url-shortener-microservice.glitch.me/http://www.iyengar-yoga-horgen.ch
{ "original_url":"http://www.iyengar-yoga-horgen.ch", "short_url":"https://daa-url-shortener-microservice.glitch.me/4606" }
https://daa-url-shortener-microservice.glitch.me/4606
http://www.iyengar-yoga-horgen.ch