Any chance of switching to Fastly? Or at least testing it? There's excellent documentation for a working setup here: https://docs.lagoon.sh/drupal/integrate-dru

Any chance of switching to Fastly? Or at least testing it? There's excellent documentation for a working setup here: https://docs.lagoon.sh/drupal/integrate-drupal-and-fastly/ https://docs.lagoon.sh/drupal/integrate-drupal-and-fastly/ I don't know how to get invalidation working on Akamai, but the process of getting it working on another provider might get you the insight you need to get Akamai working.