There are two ways for clearing Kraken cache.
In the advanced configuration settings for Kraken you can change the following parameter
"cache_version" : "v1"
Updating the “cache_version” will clear the entire Kraken cache.
To clear the cache for an individual URL you can use our API: https://aperture.section.io/api/ui/#!/Proxy/proxyStatePost with the
proxyName as Kraken and the URL of the image as the
You can also clear the cache for the URL using the Aperture portal. This feature is an option available under
Clear Cache > kraken
When using Kraken behind Varnish be sure to clear the Varnish cache to see the updated image.