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List of API

Our services offer Application Programming Interface (API). Application may be needed, so please refer to the list below for usage conditions etc. of API.

The dataset files are available for download. There are no restrictions on the use of these datasets. Further information is available at “Free Data Service”.

Asterisk(*) means “Japanese only page.”

List of API provided by our services

services Outline of API
NDL Search
The NDL Search provides API so that external systems can utilize data collected from various institutions including NDL
Application Programming Interface (API)
Application Programming Interface (API) of the NDL Search: Application Form
Full-text Database System for the Minutes of the Diet* API
Collaborative Reference Database* API
National Diet Library Great East Japan Earthquake Archive Reproduction of contents/API usage