Value Constraints

The constraints of each value in Yahoo! JAPAN Ads API, refer to the linked help page or numerical values listed in the following table.

Entity Limits

EntitySearch AdsDisplay Ads
Account, Campaign, Ad group Number of entities Number of entities
Negative Keyword Number of keywords --
Ad Display Option Number of Ad display options --
Setup Ad Display Option details --
Conversion tag Number of tags Number of tags
Day of Week / Hours Targeting details details
Site Retargeting Number of lists Number of lists
Site Retargeting: Setup Target List details details
Search Keyword Targeting -- Number of lists and keywords
Placement Targeting -- Number of lists and URLs
Reporting Number of filters Number of filters

See Yahoo! JAPAN Ads Insertion Rules (guideline) for restrictions on campaigns, ads and images.