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.

scrambly.io app-ads.txt check

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

Checked 19 Oct 2026. 5,073 lines, 3,834 unique records, 1,197 duplicates, 3 invalid lines, 28 ad networks detected.

Ad networks in scrambly.io/app-ads.txt

Google AdMob — account pub-5217494000246844: 1 line in the file
AppLovin — account db7bd2cb8ab466940993a57afa2b997d: 36 lines in the file
DT Exchange (Fyber) — account 240265: 400 lines in the file
InMobi — account 25bb359aa32b4d99a171b555f007135e: 259 lines in the file, 13 expected lines missing
Mintegral — account 75167: 400 lines in the file
Unity Ads — account 5306220: 161 lines in the file
TikTok Ad Network (Pangle) — account 5043641: 1 line in the file
ironSource / LevelPlay — partner (reseller) lines only: 85 lines in the file, 40 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 390 lines in the file
Chartboost — partner (reseller) lines only: 400 lines in the file, 334 expected lines missing
Yandex Ads — partner (reseller) lines only: 137 lines in the file, 31 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 75 lines in the file, 69 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 342 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 37 lines in the file, 12 expected lines missing
BlueSea — partner (reseller) lines only: 21 lines in the file, 16 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 236 lines in the file, 325 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 258 lines in the file, 186 expected lines missing
Monetrix — partner (reseller) lines only: 60 lines in the file, 33 expected lines missing
Prado — partner (reseller) lines only: 17 lines in the file, 10 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 164 lines in the file, 205 expected lines missing
Start.io — partner (reseller) lines only: 86 lines in the file, 71 expected lines missing
Kidoz — partner (reseller) lines only: 13 lines in the file, 9 expected lines missing
CAS.ai — partner (reseller) lines only: 128 lines in the file, 37 expected lines missing
DSail — partner (reseller) lines only: 128 lines in the file, 37 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file

Invalid lines

<Copy Paste Direct Bidmachine Line here>
<Copy Paste Direct Meta Line here>
<Copy Paste Direct Pangle Line here>

Corrected file: scrambly.io app-ads.txt (fixed).

FAQ

Does scrambly.io have an app-ads.txt?

Yes — https://scrambly.io/app-ads.txt has 5,073 lines (checked 19 Oct 2026).

Which ad networks does scrambly.io work with?

Its app-ads.txt lists Google AdMob, AppLovin, DT Exchange (Fyber), InMobi, Mintegral, Unity Ads, TikTok Ad Network (Pangle), ironSource / LevelPlay, Liftoff Monetize (Vungle), Chartboost, Yandex Ads, VK Ads (myTarget) and 16 more.

Is the app-ads.txt of scrambly.io correct?