Ad Items

Ad Item endpoint limitations:

1. A maximum of 50 ad items can be added to an ad group in a single POST batch request
2. A maximum of 50 ad items can be updated in a single PUT batch request
3. A maximum of 2000 ad items can be added to an ad group for Auto Bid and Keyword Bidded campaigns
4. For Sponsored Brands (earlier known as Search Brand Amplifier or SBA) campaigns, you need to add minimum 2 ad items to an ad group. it is required to have at minimum 2 ad items in an ad group
5. For Sponsored Videos campaigns , you need to add minimum 1 ad item to an ad group.
6. A maximum of 10 ad items are allowed to be added to an ad group for Sponsored Brands and Sponsored Videos campaigns

*Note:*

1. We recommend adding at least 3 ad items to an ad group for Sponsored Brands campaigns and Sponsored Videos campaigns . This helps avoid ads from not serving due to an out-of-stock scenario
2. If only 1 ad item remains eligible to serve in a campaign, the ad will stop serving on Desktop but continue to serve on Mobile for Sponsored Brands

Possible Reasons of Item Upload Failure:

Please note following scenarios to avoid an item upload failure:

1. When an item is not owned by the advertiser
2. When item id is incorrect or not found in catalog
3. You cannot upload variant items for campaign types Sponsored Brands and Sponsored Videos . We currently support advertising variant items for campaign type Sponsored Products only
4. You cannot upload an unpublished item. However, if a published item, added to the campaign becomes unpublished, you can still update it. Please note that ad will stop serving for the item that becomes unpublished after it was added
5. You cannot promote a virtual pack/bundle (multiple of a primary variant item (ex. 2-pack) grouped as one item) without the assistance of a Walmart support agent at this time. In this case, please submit a support ticket _(via https://advertisinghelp.walmart.com/s/contact) with the API Partner Enablement team for assistance in promoting this item.