Yahoo! JAPAN Ads API | Developer Center

Announcement

• 2025/06/18

  Yahoo! JAPAN Ads Script releases new runtime

  We will release a new runtime for Yahoo! JAPAN Ads Script.

• 2025/06/18

  Integrated "Business ID"

  We will shift the IDs used for Yahoo! JAPAN Ads from “Yahoo! JAPAN Business ID” to the integrated “Business ID."

• 2025/06/13

  Notice of revision to "Yahoo! JAPAN Ads API Terms of Use"

  We will revise the "Yahoo! JAPAN Ads API Terms of Use."

• 2025/06/12

  Display Ads (Auction): Stop data connections of the "advanced segments" list with no performance

  We will stop the data connection of advance segment lists that has no performance for the last 100 days.

• 2025/06/05

  Display Ads: Changes to app measurement

  We have changed the app measurement features.

• 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.

• 2025/05/29

  Yahoo! JAPAN Ads API v17 release

  We will support the removal feature of ad display assets in Search Ads and features for the campaign goal "Gain friends" in Display Ads.

• 2025/05/29

  Search Ads: Ad display asset removal feature

  You will be able to remove ad display assets in Search Ads.

• 2025/05/29

  Display Ads: Audience list targeting adding shared audience lists category and improve targeting accuracy

  We will add a category to the shared audience list and improve targeting accuracy.

• 2025/05/27

  Search Ads: End of autobidding type "Enhanced CPC"

  We will end the autobidding type "Enhanced CPC" in late June 2025.