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.

3dpowermax.com app-ads.txt check

3dpowermax.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 285 lines, 219 unique records, 61 duplicates, 2 invalid lines, 20 ad networks detected.

Ad networks in 3dpowermax.com/app-ads.txt

ironSource / LevelPlay — account 631241: 123 lines in the file, 3 expected lines missing
Unity Ads — account 1017537: 154 lines in the file, 7 expected lines missing
Mintegral — partner (reseller) lines only: 39 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 38 lines in the file, 352 expected lines missing
Chartboost — partner (reseller) lines only: 32 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 33 lines in the file, 238 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 48 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 18 lines in the file, 150 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 10 lines in the file, 134 expected lines missing
BIGO Ads — partner (reseller) lines only: 64 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 119 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 28 lines in the file, 400 expected lines missing
Prado — partner (reseller) lines only: 9 lines in the file, 18 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 54 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 16 lines in the file, 353 expected lines missing
Start.io — partner (reseller) lines only: 16 lines in the file, 141 expected lines missing
Kidoz — partner (reseller) lines only: 10 lines in the file, 12 expected lines missing
CAS.ai — partner (reseller) lines only: 17 lines in the file, 148 expected lines missing
DSail — partner (reseller) lines only: 17 lines in the file, 148 expected lines missing
Bidmachine — partner (reseller) lines only: 88 lines in the file, 400 expected lines missing

Invalid lines

Remember to replace the OwnerDomain Line with your domain.
Remember to replace [yourironSourcePublisherAccountID] with your account ID, which you can get from your account manager.

Corrected file: 3dpowermax.com app-ads.txt (fixed).

FAQ

Does 3dpowermax.com have an app-ads.txt?

Yes — https://3dpowermax.com/app-ads.txt has 285 lines (checked 19 Oct 2026).

Which ad networks does 3dpowermax.com work with?

Its app-ads.txt lists ironSource / LevelPlay, Unity Ads, Mintegral, Liftoff Monetize (Vungle), Chartboost, InMobi, DT Exchange (Fyber), Yandex Ads, VK Ads (myTarget), BIGO Ads, Yango Ads, Maticoo (zMaticoo) and 8 more.

Is the app-ads.txt of 3dpowermax.com correct?