Yahoo! JAPAN Ads API | Developer Center

Announcement

• 2025/10/29

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

  We have scheduled a system maintenance for Search Ads, Search Ads (Shopping), and Branding Search Ads.

• 2025/10/28

  Search Ads: Adding quick link assets to the evaluation metric "Ad strength"

  We have added quick link assets to the evaluation metric "Ad strength."

• 2025/10/24

  Display Ads: Feature improvements for customer data audience lists

  We have made improvements related to the audience lists for customer data (customer data list).

• 2025/10/23

  Search Ads: Launch of modeled conversions

  We have launched “modeled conversions” for Search Ads conversion tracking.

• 2025/10/23

  Display Ads: Audience list targeting adding shared audience lists category

  We have added the "Puzzle games" category to the shared audience list.

• 2025/10/22

  Display Ads (Auction): Removing site category targeting report items

  We have removed the item "Site category name" related to site category targeting from the report and template creation views in the Campaign Management Tool.

• 2025/10/16

  Yahoo! JAPAN Ads API v18 release

  We will release a new version of Yahoo! JAPAN Ads API.

• 2025/10/15

  Display Ads (Auction): Adding portfolio bidding

  We launched “portfolio bidding” for Yahoo! JAPAN Ads Display Ads (Auction).

• 2025/10/15

  Display Ads (Auction): Changes to placement list create and edit views

  We will change the create and edit view of placement list.

• 2025/10/15

  Display Ads (Auction): SKAdNetwork feature update

  We will add new features for the iOS app SKAdNetwork.