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.

t-cast-overseas-android.web.app app-ads.txt check

t-cast-overseas-android.web.app 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, 73 unique records, 8 duplicates, 1 invalid lines, 9 ad networks detected.

Ad networks in t-cast-overseas-android.web.app/app-ads.txt

Google AdMob — account pub-3292534298425653: 1 line in the file
Meta Audience Network — account 1211382176043364: 1 line in the file
Smaato — account 1100048432: 1 line in the file
Xandr (Microsoft) — account 11750: 1 line in the file
Mintegral — partner (reseller) lines only: 18 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 10 lines in the file, 134 expected lines missing
Yango Ads — partner (reseller) lines only: 28 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 17 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 12 lines in the file, 400 expected lines missing

Invalid lines

update: 1630484395

Corrected file: t-cast-overseas-android.web.app app-ads.txt (fixed).

FAQ

Does t-cast-overseas-android.web.app have an app-ads.txt?

Yes — https://t-cast-overseas-android.web.app/app-ads.txt has 102 lines (checked 20 Oct 2026).

Which ad networks does t-cast-overseas-android.web.app work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, Smaato, Xandr (Microsoft), Mintegral, VK Ads (myTarget), Yango Ads, DSP Exchange, Bidmachine.

Is the app-ads.txt of t-cast-overseas-android.web.app correct?