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.

stairs-studio.com app-ads.txt check

stairs-studio.com is almost fully optimized: its app-ads.txt has no errors and matches 99.8% of the 1,072 lines its 5 ad networks expect — minor optimisation required: 2 lines are missing.

Checked 21 Oct 2026. 1,073 lines, 1,073 unique records, 0 duplicates, 0 invalid lines, 26 ad networks detected.

Ad networks in stairs-studio.com/app-ads.txt

Google AdMob — account pub-9454969975381911: 1 line in the file
AppLovin — account 5cede19ccc54d91f29add90524b5632c: 34 lines in the file, 2 expected lines missing
Meta Audience Network — account 1417278915492457: 1 line in the file
Unity Ads — account 4894458: 161 lines in the file
Mintegral — account 76231: 400 lines in the file
ironSource / LevelPlay — partner (reseller) lines only: 67 lines in the file, 58 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 173 lines in the file, 217 expected lines missing
Chartboost — partner (reseller) lines only: 267 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 94 lines in the file, 177 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 151 lines in the file, 299 expected lines missing
Yandex Ads — partner (reseller) lines only: 60 lines in the file, 108 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 66 lines in the file, 78 expected lines missing
BIGO Ads — partner (reseller) lines only: 201 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 13 lines in the file, 36 expected lines missing
DSP Exchange — partner (reseller) lines only: 118 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 77 lines in the file, 367 expected lines missing
Monetrix — partner (reseller) lines only: 14 lines in the file, 79 expected lines missing
Prado — partner (reseller) lines only: 9 lines in the file, 18 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 245 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 89 lines in the file, 280 expected lines missing
Start.io — partner (reseller) lines only: 25 lines in the file, 132 expected lines missing
Kidoz — partner (reseller) lines only: 9 lines in the file, 13 expected lines missing
CAS.ai — partner (reseller) lines only: 53 lines in the file, 112 expected lines missing
DSail — partner (reseller) lines only: 53 lines in the file, 112 expected lines missing
Bidmachine — partner (reseller) lines only: 348 lines in the file, 400 expected lines missing

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

FAQ

Does stairs-studio.com have an app-ads.txt?

Yes — https://stairs-studio.com/app-ads.txt has 1,073 lines (checked 21 Oct 2026).

Which ad networks does stairs-studio.com work with?

Its app-ads.txt lists Google AdMob, AppLovin, Meta Audience Network, Unity Ads, Mintegral, ironSource / LevelPlay, Liftoff Monetize (Vungle), Chartboost, InMobi, DT Exchange (Fyber), Yandex Ads, VK Ads (myTarget) and 14 more.

Is the app-ads.txt of stairs-studio.com correct?