data4library.kr
National library statistics and popular loan book provider.
Exposes the national library big-data platform. Callers search public libraries by region and read popular loan rankings sliced by period, age group, and region.
Return public libraries filtered by region with address, contact, and operating hour fields.
Return the most-borrowed books for a period, optionally sliced by age group and region.
Start of the loan statistics window
Suggested surface — propose changes in your submission if the upstream differs.
Submit a claim. Your workspace will be prepared after confirmation.
Sign in to claim
Claiming a bounty requires a GitHub sign-in.
Two-digit province or metropolitan city code
11
Five-digit city, county, or district code
11530
Page number for paging through libraries
1
Auth required for this operation.
2026-06-01
End of the loan statistics window
2026-06-30
Age band such as 8, 20, or 60
20
Two-digit region code to scope the ranking
11
Maximum number of ranked books
20
Auth required for this operation.
