In the case of using Yahoo! JAPAN Ads via application that provided by companies other than Yahoo! JAPAN, it is necessary to approve application access to customer's account.
Follow the steps below.
1. Receive the URL for approval from the app provider.
2. Click the URL and login with your Yahoo! JAPAN Business ID.
3. The message "Do you approve the access to Yahoo! JAPAN Ads from App_xxx?" is displayed. Click [Approve] button.
4. The access is approved, then you are able to use Yahoo! JAPAN Ads via the application.
After approval, you can confirm applications approved on Yahoo! JAPAN Ads API Management Console.