OPENDART

Electronic Disclosure Data Search Service

OPEN DART shares all disclosure information viewable
on DART for direct use by anyone.

Request an Authentication Key
You can be issued an authentication key
necessary for using the Open API. You can be issued an authentication key
necessary for using the Open API.
Guide for Developers
We provide guidelines and examples necessary for software development using Open API. We provide guidelines and examples necessary for software development using Open API.
Electronic Disclosure Data Search Service
In this menu, you can easily view key disclosure information including annual reports and financial information,
and compare them
across companies. In this menu, you can easily view key disclosure information including annual reports and financial information, and compare them across companies.
Contact Us
Please refer to the notice, past changes, and FAQ. Please refer to the notice, past changes, and FAQ.

NoticeMORE

Notice: Restrictions on Certain Services During System Maintenance 25.02.27
English Open DART is officially launched 25.02.08

FAQMORE

Guide to Key Financial Ratio Formulas 25.02.06
What times are the services available? 25.02.06
How can I get an authentication key? 25.02.06

Notice of ChangesMORE