Resolved
This incident is resolved.
Retroactive
Engineers confirmed that customer impact was limited to the inability to provision and manage specific third-party add-ons, between 2022-11-28 20:52:22 UTC and 2022-11-29 17:21 UTC.
Add-on provisioning and management services have been restored. If you are still experiencing difficulty, please reach out to https://help.heroku.com for support.
Investigating
Engineers are still investigating the potential issue.
Investigating
Engineers are investigating issues with add-on provisioning and management. Current customer impact is unknown, but believed to be small.