Yahoo! JAPAN Ads API | Developer Center

Announcement

• 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.

• 2025/10/02

  Display Ads (Auction): Adding portfolio bidding

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

• 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."

• 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.

• 2025/09/24

  Display Ads (Auction): Launch of in-stream ads

  We launched Yahoo! JAPAN Ads Display Ads (Auction) in-stream ads (in-stream ads), which deliver ads within video programs.

• 2025/09/19

  Display Ads: Update on conversion tracking duration

  In Display Ads, we have changed the range available for specifying the conversion tracking duration.

• 2025/09/18

  Display Ads (Auction): Improvement of shared budget logic

  We improved the allocation logic for the shared budget in campaigns.

• 2025/09/17

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

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

• 2025/09/17

  Yahoo! JAPAN Ads API v18 release

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