🆕New information

  • 2022/7/4 J-Quants API (Beta-version) has begun to be released to the public.

  • 2022/8/16 New functions added and minor improvements.

  • 2022/8/30 In addition to the English version of the website, some functions have been added and improved.

  • 2022/9/12 Performance of API response is improved.

  • 2022/9/20 Adding a new dataset “Trading by type of investors”. Future release schedule is updated.

  • 2022/10/24 Some bugs of financial information for quarter provided by the financial information API are fixed.

  • 2022/11/10 Adding a new dataset “Indices information”. Future release schedule is updated.

  • 2022/11/16 Enhancement of listed issue information API is released.

  • 2022/11/21 Erroneous values in "Number Of Issued And Outstanding Shares At The End Of Fiscal Year Including Treasury Stock" of financial information for quarter provided by the financial information API are fixed.

  • 2022/12/20 Specification of schedule of financial announcement API is updated. A bug of financial information for quarter is fixed.

  • 2023/1/20 We are currently in the process of developing additional APIs and enhancements for the paid version of the service, with the aim of releasing it this spring. Due to this, updates to the beta version have been less frequent, but we look forward to your continued use of the beta version and feedback.

What's New

Released items

Future release schedule

Last updated