Yahoo! JAPAN Ads API | Developer Center

Announcement

• 2025/07/25

  Display Ads: Change the maximum number of items to add to the ad group

  We changed the maximum number of items you can add to an ad group for Display Ads.

• 2025/07/24

  Integrated "Business ID"

  We will shift the IDs used for Yahoo! JAPAN Ads from “Yahoo! JAPAN Business ID” to the integrated “Business ID."

• 2025/07/23

  Display Ads: Expansion of interstitial ad places

  We have expanded interstitial ad places in Display Ads.

• 2025/07/17

  Search Ads: Ad display asset removal feature

  You can remove ad display assets in Search Ads.

• 2025/07/17

  Display Ads: Adding tracking URL to reports

  You can view the tracking URL in the performance report.

• 2025/07/17

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

  We have set a firm date for the end of search keyword targeting, including automatic migration.

• 2025/07/15

  Display Ads (Auction): Launch of ad delivery on "Yahoo! JAPAN Disaster Alert" app

  Display Ads (Auction) will be available on the "Yahoo! JAPAN Disaster Alert" app.

• 2025/07/11

  Display Ads (Auction): Stop data connections of the "advanced segments" list with no performance

  We stopped the data connection of advance segment lists that has no performance for the last 100 days.

• 2025/07/04

  Display Ads (Auction): Official release of "Maximize viewable impressions" and change in minimum budget

  We made the changes to the Yahoo! JAPAN Ads Display Ads (Auction) campaigns with the goal of "Brand awareness."

• 2025/07/03

  Yahoo! JAPAN Ads Script releases new runtime

  We released a new runtime for Yahoo! JAPAN Ads Script.