Yahoo! JAPAN Ads API | Developer Center
日本語Announcement
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2026/02/12
Display Ads: Increase minimum pixel sizes and stop adding images
We will increase the minimum and recommended pixel sizes for some images that will be available for Display Ads.
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2026/02/05
Display Ads: Logo image for carousel ads becomes optional
In carousel ads, setting a logo image has become optional.
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2026/01/30
Yahoo! JAPAN Ads: Details of the integrated "Business ID"
Details on the implementations of Business ID integration.
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2026/01/29
Display Ads: New feature added to store visit tracking in the Campaign Management Tool
A Store visit tracking feature has been added to the Campaign Management Tool for Display Ads.
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2026/01/23
Display Ads (Auction): In-stream ads delivery will be available on ABEMA
In-stream ads for Yahoo! JAPAN Ads Display Ads (Auction), which deliver ads within video programs (in-stream ads), are now available on the video streaming service ABEMA.
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2025/12/22
We have renewed the payment management feature of Yahoo! JAPAN Ads.
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2025/12/18
Display Ads (Auction): Changes to placement list create and edit views
We changed the create and edit view of placement list.
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2025/12/09
We will shift the IDs used for Yahoo! JAPAN Ads from “Yahoo! JAPAN Business ID” to the integrated “Business ID."
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2025/11/27
Yahoo! JAPAN Ads: Remove automatic payment settings for long-term payment failures
We have removed automatic credit card payments that have been failing long-term.
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2025/11/17
Yahoo! JAPAN Ads: System maintenance notification scheduled for November 15, 2025
We completed the system maintenance for Search Ads, Search Ads (Shopping), and Branding Search Ads.