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.

z4687cdb6.app-ads-txt.com app-ads.txt check

z4687cdb6.app-ads-txt.com is missing out on higher CPMs: its app-ads.txt lists only 6 of the 870 lines its 6 ad networks expect (99% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 7 lines, 7 unique records, 0 duplicates, 0 invalid lines, 6 ad networks detected.

Ad networks in z4687cdb6.app-ads-txt.com/app-ads.txt

AppLovin — account 5a5a33fc6084b566cf1a2e1fdce65c5e: 1 line in the file, 35 expected lines missing
Meta Audience Network — account 738305038190211: 1 line in the file
Google AdMob — account pub-9100117594995202: 1 line in the file
InMobi — account 16991c0c39644f019ae28f34ff3bb2a7: 1 line in the file, 271 expected lines missing
Liftoff Monetize (Vungle) — account 6495502075c27600116371e9: 1 line in the file, 390 expected lines missing
Yandex Ads — account 304141945: 1 line in the file, 168 expected lines missing

Corrected file: z4687cdb6.app-ads-txt.com app-ads.txt (fixed).

FAQ

Does z4687cdb6.app-ads-txt.com have an app-ads.txt?

Yes — https://z4687cdb6.app-ads-txt.com/app-ads.txt has 7 lines (checked 19 Oct 2026).

Which ad networks does z4687cdb6.app-ads-txt.com work with?

Its app-ads.txt lists AppLovin, Meta Audience Network, Google AdMob, InMobi, Liftoff Monetize (Vungle), Yandex Ads.

z4687cdb6.app-ads-txt.com app-ads.txt check

Ad networks in z4687cdb6.app-ads-txt.com/app-ads.txt

FAQ

Does z4687cdb6.app-ads-txt.com have an app-ads.txt?

Which ad networks does z4687cdb6.app-ads-txt.com work with?

Is the app-ads.txt of z4687cdb6.app-ads-txt.com correct?

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