道路・河川の管理_管轄河川等の紹介 一級河川一覧表
Dataset description
Data description
API
Press "POST" to display the detailed specifications of the API. Next, you can try the API from the screen by pressing "Try it out" button. Then you can send the request by pressing "Execute" button.
Base URL
https://service.api.metro.tokyo.lg.jp