Ads.txt (Authorized Digital Sellers) is an IAB Tech Lab initiative. It is a simple, flexible, and secure method that you can use to publicly declare the companies they authorize to sell their digital inventory. Authorized Sellers for Apps (app-ads.txt) is an extension to the Authorised Digital Sellers (ads.txt) standard, initially designed for protecting web ad inventory. It extends compatibility to support ads shown in mobile apps.

During the real-time bidding process, the ad monetization space saw fraud in ad inventory offered to buyers with a misrepresented label and account. Typically, the webpage's domain, or the mobile app's ID, has been falsified to look like a site or app they do not have authorization to sell. Ads.txt and App-ads.txt enable buyers to spend only programmatic dollars through channels explicitly trusted and authorized by the originating publisher.

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Last Updated on: 23 Jan, 2024