A Guide to app-ads.txt: How the Authorized Sellers List for App Advertising Works

app-ads.txt lists authorized sellers of app advertising in a public text file on the developer’s website, allowing buyers to verify eligibility to sell ads in mobile and connected TV apps. Verification platforms find the developer’s domain from the app store listing, then check the advertising system domains and account IDs in the file; accounts not listed are considered unauthorized. The file can also identify partners with the right to sell advertising, app owners, and exclusive monetization partners.