Yahoo! JAPAN Ads API | Developer Center
日本語Announcement
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2025/06/05
Display Ads: Changes to app measurement
We have changed the app measurement features.
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2025/06/04
Display Ads: Change in the method for determining ad delivery platforms
We have started changing the method for determining platforms for ad places within the LINE app and apps provided by LYC.
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2025/05/29
Search Ads: Ad display asset removal feature
You will be able to remove ad display assets in Search Ads.
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2025/05/29
We will add a category to the shared audience list and improve targeting accuracy.
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2025/05/21
Display Ads: End of previous format for customer data connection
We will end the use of the previous format for customer data connection.
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2025/05/20
Display Ads (Auction): Bid strategy "Maximize conversion value" (official version) became available
We launched the official version of the bid strategy "Maximize conversion value."
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2025/05/15
Display Ads: Emoji addition and file management specification changes
To support more diverse ad expressions and enhance usability, we have added emojis and changed the file management specifications.
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2025/05/14
Display Ads (Auction): Reward format will be delivered to more ad places
Yahoo! JAPAN Ads Display Ads (Auction) increase the ad delivery of "reward format" ads.
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2025/05/13
Search Ads: Optimization of image asset delivery
We have updated to optimize the delivery of the ad display asset "Image asset."
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2025/05/08
Display Ads (Auction): Responsive (image and video) aspect ratio 3:2 will be available
Responsive (image) and responsive (video) aspect ratio 3:2 is available.