Yahoo! JAPAN Ads API | Developer Center

2025/10/29

Yahoo! JAPAN Ads: System maintenance notification scheduled for November 15, 2025

Product

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

Tool

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

Schedule

From 9AM to 7PM, November 15, 2025 (JST)
*This date is subject to change.

Summary

We have scheduled a system maintenance. Maintenance impacts vary by service and tool. Learn more details, in the following section of this announcement.

Impacts

Campaign Management Tool

All screens for the preceding products, except the accounts list, will appear with an under-maintenance notice, and you will be unable to operate.

Search Ads

• 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 (Shopping)

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

Comments

• 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.