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.

appsys.jp app-ads.txt check

appsys.jp is missing out on higher CPMs: its app-ads.txt lists only 97 of the 274 lines its 3 ad networks expect (65% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 117 lines, 108 unique records, 0 duplicates, 0 invalid lines, 11 ad networks detected.

Ad networks in appsys.jp/app-ads.txt

Google AdMob — account pub-4811350101763340: 1 line in the file
Meta Audience Network — accounts 233609027391166, 366398507201928, 1962301180523539 and 2 more: 5 lines in the file
InMobi — account 96d51d8672a244a29ae3f51546096749: 95 lines in the file, 177 expected lines missing
Mintegral — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 13 lines in the file, 377 expected lines missing
Chartboost — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 11 lines in the file, 400 expected lines missing
BIGO Ads — partner (reseller) lines only: 11 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 92 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 33 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 20 lines in the file, 400 expected lines missing

Corrected file: appsys.jp app-ads.txt (fixed).

FAQ

Does appsys.jp have an app-ads.txt?

Yes — https://appsys.jp/app-ads.txt has 117 lines (checked 19 Oct 2026).

Which ad networks does appsys.jp work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, InMobi, Mintegral, Liftoff Monetize (Vungle), Chartboost, DT Exchange (Fyber), BIGO Ads, Yango Ads, DSP Exchange, Bidmachine.

appsys.jp app-ads.txt check

Ad networks in appsys.jp/app-ads.txt

FAQ

Does appsys.jp have an app-ads.txt?

Which ad networks does appsys.jp work with?

Is the app-ads.txt of appsys.jp correct?

Other checked domains

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