As of mid-December 2024 the Public API is in a maintenance / bug-fix only mode. The club description has been updated to reflect the change in status.
Included below is a copy of the statement from the description.
Note that Chess.com's Public API is no longer being actively updated, and there are always engineering projects underway that may occasionally impact functionality of the Public API. While you are free to build projects on the Public API, you may encounter bugs or instability - to report a bug, please post in the club forum.
As of mid-December 2024 the Public API is in a maintenance / bug-fix only mode. The club description has been updated to reflect the change in status.
Included below is a copy of the statement from the description.