You must supply the URL of the image, the HASH of the image and the size to be cropped / optimized to.

Example URL: https://s8kvb6qnle.execute-api.us-west-2.amazonaws.com/?hash=000b5b635d6fe042bb64a6aaf11b6252&url=https://www.sandiego.edu/images/usd-home-fall-21-knauss.jpg&width=400&webp=true

Optional &height=800 if desired