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Developers


   The developers page (hereafter referred to as this page) on the data catalog site provides a variety of information necessary for the developers of applications or new services to develop applications or new services by making secondary use of the metadata provided on the data catalogue.

(1) Information about the API (Application Programming Interface) provided on the data catalog site

   This site provides APIs, such as organization, group, data reset, resource and tag APIs, for obtaining metadata.
   See the following manuals before using this site.

Note: For details on the APIs provided on each ministry or agency site, see those sites. (The sites that provide APIs are indicated in the  List of database.)

(2) Information about the metadata provided on the data catalog site  
   For explanations and concepts of the metadata provided on this site, see the following.

(3) Other related documents

   Other documents or materials about open data are provided.

   On the data catalog site, in terms of registering a lot of data, please be aware that old data in formats that cannot be easily read by machines are also registered. If you have any requests concerning data formats or the new disclosure of data, please submit your comments via the  Requests and feedback page  in the Communication menu. Similarly, when you develop applications or new services, if you have any questions or find any errors in the materials provided in this page, please submit your comments via the  Requests and feedback page  in the Communication menu.