A further fix has been implemented and the issue is now resolved. We are monitoring for any further issues.
Posted Nov 26, 2020 - 14:38 PST
Identified
We have seen a reoccurrence of this issue and are working on applying a further fix. In the meantime, please use the workaround URL https://jp.zuora.com/developer/api-reference/ to access the Developer Center.
Posted Nov 25, 2020 - 08:30 PST
Monitoring
The issue has been resolved and we are monitoring until 25 Nov 2020 at 17:03:52 GMT to ensure no lingering issues.