About the Service

What can the J-Quants API service do?

J-Quants API is a service that allows users to obtain financial data such as historical stock prices (OHLC), trading volume, and Company earnings via API. It aims to make it easier for individuals to obtain well-formatted financial data. J-Quants API democratizes financial data, providing individuals with the same data sets as institutional investors.

What kind of data is provided by the J-Quants API?

Click here to see the data currently offered.

Is it possible to get data in file format such as CSV instead of API?

You can download CSV files. (Not available for Free plan users.)

I do not know how to use the API.

Check quick start guide.