This issue has been resolved and purge services have returned to normal.
Posted 24 days ago. May 31, 2018 - 17:20 UTC
We have implemented a fix for this issue and are currently monitoring the results. We will update once we have confirmed it is resolved.
Posted 24 days ago. May 31, 2018 - 16:46 UTC
Cloudflare is experiencing issues with processing cache purge requests. Customers may see intermittent errors when purging via the API or Cloudflare Dashboard. We are actively working to eliminate the issue.