Details about subjects listed as available for reviews in the Summary report.
https://docs.api.wanikani.com/20170710/#summary
When the paired subject_ids are available for reviews. All timestamps are the top of an hour.
subject_ids
Collection of unique identifiers for subjects.
Details about subjects listed as available for reviews in the Summary report.
See
https://docs.api.wanikani.com/20170710/#summary