Yahoo! JAPAN Ads API | Developer Center

Announcement

• 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.

• 2025/10/07

  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.

• 2025/09/25

  Yahoo! JAPAN Ads Display Ads Integration of ad platforms

  We will integrate Yahoo! JAPAN Ads Display Ads and LINE Ads and launch them as “LY Ads Display Ads” around spring 2026.