An IAB Tech Lab standard that lets app publishers declare which ad networks are authorized to sell their inventory.

Where do I put the app-ads.txt file?

At the root of the developer website listed in your App Store / Google Play page, e.g. https://studio.com/app-ads.txt.

What is a Certification Authority ID?

An optional TAG-ID of the ad system, the 4th field of an app-ads.txt record.

z9cf0dba0.app-ads-txt.com app-ads.txt check

z9cf0dba0.app-ads-txt.com is missing out on higher CPMs: its app-ads.txt has 1 invalid line. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 102 lines, 101 unique records, 0 duplicates, 1 invalid lines, 7 ad networks detected.

Ad networks in z9cf0dba0.app-ads-txt.com/app-ads.txt

Criteo — accounts 180031, 180034, 180048 and 2 more: 5 lines in the file
Google AdMob — accounts pub-4236520483129668, pub-6822673874226515: 2 lines in the file
Mintegral — partner (reseller) lines only: 26 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 13 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 13 lines in the file, 131 expected lines missing
Yango Ads — partner (reseller) lines only: 29 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 11 lines in the file, 400 expected lines missing

Invalid lines

advenuemedia, 386, RESELLER

Corrected file: z9cf0dba0.app-ads-txt.com app-ads.txt (fixed).

FAQ

Does z9cf0dba0.app-ads-txt.com have an app-ads.txt?

Yes — https://z9cf0dba0.app-ads-txt.com/app-ads.txt has 102 lines (checked 20 Oct 2026).

Which ad networks does z9cf0dba0.app-ads-txt.com work with?

Its app-ads.txt lists Criteo, Google AdMob, Mintegral, Chartboost, VK Ads (myTarget), Yango Ads, DSP Exchange.

Is the app-ads.txt of z9cf0dba0.app-ads-txt.com correct?