API endpoint -
Cache invalidation invalidates images cached on CDN and Pixboost 2nd level cache.
curl -X DELETE 'https://pixboost.com/api/2/img/http://www.midday.coffee/banner.jpeg?auth=ABCDEF'
API_SECRET - secret key.
200 - Image has been invalidated.
202 - Invalidation process began and will finish soon. Usually it will take up to the 5 minutes.
401 - Failed authorization. Image domain is not in the list of images sources
You can find reference example of using cache invalidation workflow with S3 bucket here.
Please, be aware that invalidations don't affect cached copies in web browser caches or caches operated by third-party Internet service providers.
In most cases, using versioning on file names is a better option.