Authorized Sellers for Apps, or app-ads.txt, is an extension to the Authorized Digital Sellers standard (ads.txt). This initiative ensures your app ad inventory is only sold through channels you’ve authorized. Creating an app-ads.txt file gives you more control over who’s allowed to sell ads on your app and stops counterfeit inventory from being sent to advertisers.
The app-ads.txt files should be publicly available and crawlable by exchanges, supply-side platforms (SSPs), buyers, and third-party vendors.
Google made it a lot easier for publishers to create, audit, and maintain app-ads.txt within the Google Ad Manager interface. You can even crawl it on demand. Here’s how:
Step 1: Sign in to Google Ad Manager (GAM)
Step 2: Go to Admin > Ads.txt management.
This option is available when you have at least one linked Ad Exchange account in GAM, and you have at least ‘Manage ads.txt’ enabled for your role.
Admin > Linked accounts > Ad Exchange:
Admin > Access & Authorization > Roles
Learn more about GAM roles and user access to PubGuru University.
Step 3: Click on the app-ads.txt tab.
Step 4: Click ‘Create an app-ads.txt file.’
Step 5: On the next window that opens, review the lines automatically generated by Google. Each row represents a separate seller account that can be authorized to sell your inventory.
a) Delete the seller information you want to remove authorization from.
b) If you work with other SSPs/demand partners, you should also add their information to the file.
c) The default value in field #3 will say ‘DIRECT,’ indicating that there’s a direct relationship with the seller account. If you don’t own and operate the domain, update this value to ‘RESELLER.’
Step 6: Check for any errors or warnings and correct them accordingly.
Step 7: Click either ‘Copy text to clipboard’ and paste into your pre-existing app-ads.txt file, or ‘Download app-ads.txt file’ as a new .txt file
Step 8: Send the file to your webmaster and have him upload it to your root domain. See: https://iabtechlab.com/wp-content/uploads/2019/03/app-ads.txt-v1.0-final-.pdf
Step 9: Once uploaded, ensure that the file can be crawled.
It is your responsibility to keep your app-ads.txt file correct and up to date. When working with new SSPs/demand partners, always add their information and update your file accordingly. Otherwise, they won’t be able to sell or bid on your traffic.
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