Yahoo! JAPAN Ads API | Developer Center

Announcement

• 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.

• 2025/10/16

  Display Ads: Feature improvements for customer data audience lists

  We will improve features related to customer data audience lists (customer data lists).

• 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.

• 2025/10/15

  Search Ads: Launch of modeled conversions

  We will start offering “estimated conversions” for Search Ads conversion tracking.

• 2025/10/07

  Display Ads (Auction): Add an audience range feature to the audience list (advanced segments)

  We added a new option, “Audience range,” to the “advanced segments” of audience lists that allows you to control the expansion range for your target audience.

• 2025/10/02

  The unification of account contract parties

  The procedures related to the succession of ad accounts has ended on September 30, 2025.

• 2025/10/01

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

  We will add quick link assets to the evaluation metric "Ad strength."