Yahoo! JAPAN Ads API | Developer Center

Announcement

• 2025/05/27

  Search Ads: End of autobidding type "Enhanced CPC"

  We will end the autobidding type "Enhanced CPC" in late June 2025.

• 2025/05/21

  Display Ads: End of previous format for customer data connection

  We will end the use of the previous format for customer data connection.

• 2025/05/20

  Display Ads (Auction): Bid strategy "Maximize conversion value" (official version) became available

  We launched the official version of the bid strategy "Maximize conversion value."

• 2025/05/15

  Display Ads: Emoji addition and file management specification changes

  To support more diverse ad expressions and enhance usability, we have added emojis and changed the file management specifications.

• 2025/05/14

  Display Ads: Changes to app measurement

  We will make changes to the app measurement features.

• 2025/05/14

  Display Ads (Auction): Reward format will be delivered to more ad places

  Yahoo! JAPAN Ads Display Ads (Auction) increase the ad delivery of "reward format" ads.

• 2025/05/14

  Display Ads: Audience list targeting adding shared audience lists category and improve targeting accuracy

  We will add a category to the shared audience list and improve targeting accuracy.

• 2025/05/13

  Search Ads: Optimization of image asset delivery

  We have updated to optimize the delivery of the ad display asset "Image asset."

• 2025/05/08

  Display Ads (Auction): Responsive (image and video) aspect ratio 3:2 will be available

  Responsive (image) and responsive (video) aspect ratio 3:2 is available.

• 2025/04/24

  Yahoo! JAPAN Ads Script releases new runtime and closes the previous version

  We released a new runtime (V202503) for Yahoo! JAPAN Ads Script. The previous runtime version (V202406) has closed.