The summary report contains currently available lessons and reviews and the reviews that will become available in the next 24 hours, grouped by the hour.
https://docs.api.wanikani.com/20170710/#summary
Data for the Summary report.
The last time the report was updated.
The kind of object returned.
The URL of the requested report.
Optional
A report will never have a code property.
code
A report will never have an error property.
error
The summary report contains currently available lessons and reviews and the reviews that will become available in the next 24 hours, grouped by the hour.
See
https://docs.api.wanikani.com/20170710/#summary