• November 15, 2025: We completed this maintenance.
• October 29, 2025: We announced this information.

• Yahoo! JAPAN Ads Search Ads
• Yahoo! JAPAN Ads Search Ads (Shopping)
• Yahoo! JAPAN Ads Branding Search Ads

• Campaign Management Tool
• Campaign Editor
• Yahoo! JAPAN Ads Search Ads API
• Yahoo! JAPAN Ads Script

From 9AM to 7PM, November 15, 2025 (JST)

We have completed the system maintenance. You can learn more about the impact during the maintenance for each service in the following section.

All screens for the preceding products, except the accounts list, will appear with an under maintenance notice and you won’t be able to operate.

• Campaign Editor
  You will receive an error when you download the report.
• Search Ads API
  You will receive an error when you make a request to the following services:
  
  • ReportDefinitionService
  • KeywordPlanIdeaService
• Yahoo! JAPAN Ads Script
  You will receive an error when you run a script that contains the following services:
  
  • ReportDefinitionService

*You can operate other than the preceding operations, such as adding creatives, in the Campaign Editor, Search Ads API, and Yahoo! JAPAN Ads Script.

• Search Ads API
  You will receive an error when you make a request to the following services:
  
  • SsaReportDefinitionService

• There is no impact on ad delivery.
• Even when using Campaign Editor and Search Ads API, we recommend that you operate, such as modifying the settings, before or after the maintenance.