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.

• 2025/09/25

  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.

• 2025/09/11

  Search Ads: Launch of conversion API

  We have launched the conversion API for Search Ads.

• 2025/09/11

  Display Ads (Auction): Smart targeting with the "Website traffic" goal will be available

  In Yahoo! JAPAN Ads Display Ads (Auction), smart targeting is available for campaigns with the "Website traffic" goal.

• 2025/09/04

  Search Ads: Specifying radiuses will be available in geo targeting

  In geo targeting for Search Ads, you can specify a target radius.

• 2025/08/29

  Display Ads (Auction): End of search keyword targeting and automatic migrations

  We have closed search keyword targeting.