Yahoo! JAPAN Ads API | Developer Center

2025/07/25

Display Ads: Change the maximum number of items to add to the ad group

Products

• Yahoo! JAPAN Ads Display Ads (Auction)
• Yahoo! JAPAN Ads Display Ads (Guaranteed)

Date

July 24, 2025

Summary

We changed the maximum number of items you can add to an ad group for Display Ads. This change will give you more flexibility in ad operations. Changes are as follows.

Display Ads (Auction)

• Number of ads per ad group: Increase from 300 to 1000
• Number of ads that can be turned "on" per ad group: Set a new limit of 300
• Number of audience lists that can be associated per ad group: Increase from 10 to 30

Display Ads (Guaranteed)

• Number of audience lists that can be associated per ad group: Increase from 10 to 30