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.

app-ads-txt.me app-ads.txt check

app-ads-txt.me is missing out on higher CPMs: its app-ads.txt has 5 invalid lines and lists only 954 of the 3,099 lines its 26 ad networks expect (69% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 2,815 lines, 2,018 unique records, 792 duplicates, 5 invalid lines, 36 ad networks detected.

Ad networks in app-ads-txt.me/app-ads.txt

AppLovin — accounts 37683055021d107e492ac62f1a1c1ad5, f25d4970f9e8b4a0b9429a2a57aa7f62: 12 lines in the file, 25 expected lines missing
Xandr (Microsoft) — accounts 12061, 123, 12501 and 7 more: 10 lines in the file
Amazon Publisher Services — accounts 14327327, 290c5a79-50d8-4870-985d-da37d613256a, 4ca39da1-cb21-45f0-9748-bf2f35ece66b and 1 more: 4 lines in the file
Criteo — accounts 155036, 174835, 180031 and 5 more: 8 lines in the file
Meta Audience Network — account 492388141693433: 1 line in the file
DT Exchange (Fyber) — accounts 209786, 213623: 86 lines in the file, 366 expected lines missing
Google AdMob — accounts pub-4236520483129668, pub-4802411449673199, pub-6062692039613877 and 1 more: 4 lines in the file
HyprMX — account 25917530906: 90 lines in the file, 280 expected lines missing
Index Exchange — accounts 190243, 192104: 2 lines in the file
InMobi — accounts 59c7922793a3477b9419f0854d1da7e9, 950da4a32b764ec7be601701546bc784, 961a4a6e89c044fe8960b7dd5c8de52d and 4 more: 78 lines in the file, 200 expected lines missing
ironSource / LevelPlay — accounts 225701, 318782: 42 lines in the file, 85 expected lines missing
Sovrn — accounts 245697, 245697-eb, 297837: 3 lines in the file
Mintegral — accounts 21498, 23821, 10043-004: 380 lines in the file, 400 expected lines missing
MobileFuse — account 4373: 1 line in the file
Ogury — account 084b684c-37d8-49d4-9e4b-690b64700bcb: 2 lines in the file, 16 expected lines missing
OpenX — accounts 539970470, 540269102, 540310752 and 5 more: 8 lines in the file
TikTok Ad Network (Pangle) — account 9898: 1 line in the file
PubMatic — accounts 156736, 157335, 158549 and 2 more: 5 lines in the file
Magnite (Rubicon) — accounts 11784, 19652, 24774 and 2 more: 5 lines in the file
Smaato — accounts 1100046656, 1100048585, 1100049932 and 3 more: 6 lines in the file
Start.io — account 153597891: 23 lines in the file, 135 expected lines missing
TripleLift — accounts 6966, 8446: 2 lines in the file
Unity Ads — accounts 1329201, 2842240: 35 lines in the file, 127 expected lines missing
Vungle — accounts 5ba3b69d0d523f30515687c0, 5fc671cbba624b0015a61bf1: 125 lines in the file, 236 expected lines missing
Yahoo — accounts 57872, 58701, 58841 and 1 more: 4 lines in the file
Yandex Ads — account 93119091: 33 lines in the file, 136 expected lines missing
Chartboost — partner (reseller) lines only: 214 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 69 lines in the file, 75 expected lines missing
BIGO Ads — partner (reseller) lines only: 134 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 207 lines in the file, 354 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 51 lines in the file, 393 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 147 lines in the file, 400 expected lines missing
CAS.ai — partner (reseller) lines only: 27 lines in the file, 138 expected lines missing
DSail — partner (reseller) lines only: 27 lines in the file, 138 expected lines missing
Bidmachine — partner (reseller) lines only: 179 lines in the file, 400 expected lines missing

Invalid lines

adsparc, 986, RESELLER
opera.com, pub5296098761088, RESELLER 55a0c5fd61378de3
pangleglobal.com, Account ID, DIRECT
smaato.com,---,DIRECT,07bcf65f187117b4
tpmn.io 391, RESELLER

Corrected file: app-ads-txt.me app-ads.txt (fixed).

FAQ

Does app-ads-txt.me have an app-ads.txt?

Yes — https://app-ads-txt.me/app-ads.txt has 2,815 lines (checked 19 Oct 2026).

Which ad networks does app-ads-txt.me work with?

Its app-ads.txt lists AppLovin, Xandr (Microsoft), Amazon Publisher Services, Criteo, Meta Audience Network, DT Exchange (Fyber), Google AdMob, HyprMX, Index Exchange, InMobi, ironSource / LevelPlay, Sovrn and 24 more.

app-ads-txt.me app-ads.txt check

Ad networks in app-ads-txt.me/app-ads.txt

Invalid lines

FAQ

Does app-ads-txt.me have an app-ads.txt?

Which ad networks does app-ads-txt.me work with?

Is the app-ads.txt of app-ads-txt.me correct?

Other checked domains

More