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.

d3e902cb1.app-ads-txt.com app-ads.txt check

d3e902cb1.app-ads-txt.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines and lists only 5,703 of the 8,192 lines its 20 ad networks expect (30% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 3,181 lines, 3,179 unique records, 0 duplicates, 2 invalid lines, 34 ad networks detected.

Ad networks in d3e902cb1.app-ads-txt.com/app-ads.txt

AppLovin — accounts 280166fffd200c07ec2ab5fa8402a9ed, 8ede9a62e201f98731a08a5b38fb72ce: 37 lines in the file
Bidmachine — account 953: 400 lines in the file, 400 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 158 lines in the file, 7 expected lines missing
Meta Audience Network — account 236465837106390: 1 line in the file
DT Exchange (Fyber) — account 220701: 400 lines in the file, 18 expected lines missing
Google AdMob — accounts pub-3872674820285626, pub-4586415728471297, pub-4613823032840158 and 5 more: 8 lines in the file
InMobi — accounts 49c9d06dfca14fe296e253ab26364843, ddb41d8a9f434a918d05a0fc9999d9f9: 194 lines in the file, 79 expected lines missing
ironSource / LevelPlay — account 94480: 68 lines in the file, 58 expected lines missing
Sovrn — accounts 323999, 411915, 543917 and 4 more: 7 lines in the file
Mintegral — account 12033: 400 lines in the file, 48 expected lines missing
OpenX — accounts 563905670, 564921063: 2 lines in the file
TikTok Ad Network (Pangle) — account 5004147: 1 line in the file
PubMatic — account 95054: 1 line in the file
Magnite (Rubicon) — account 26884: 1 line in the file
Start.io — account 117514417: 80 lines in the file, 78 expected lines missing
TripleLift — account 6998: 1 line in the file
Unity Ads — account 19446: 107 lines in the file, 54 expected lines missing
Yandex Ads — accounts 106771830, 107604743, 107883328: 168 lines in the file, 3 expected lines missing
Yango Ads — accounts 106771830, 107604743, 107883328: 400 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — account 5135063: 216 lines in the file, 229 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 250 lines in the file, 140 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 361 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 76 lines in the file, 68 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 389 expected lines missing
Bidease — partner (reseller) lines only: 34 lines in the file, 15 expected lines missing
BlueSea — partner (reseller) lines only: 22 lines in the file, 15 expected lines missing
Display.io — partner (reseller) lines only: 10 lines in the file, 22 expected lines missing
DSP Exchange — partner (reseller) lines only: 227 lines in the file, 334 expected lines missing
Monetrix — partner (reseller) lines only: 49 lines in the file, 44 expected lines missing
Prado — partner (reseller) lines only: 12 lines in the file, 15 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 163 lines in the file, 206 expected lines missing
Kidoz — partner (reseller) lines only: 9 lines in the file, 13 expected lines missing
DSail — partner (reseller) lines only: 158 lines in the file, 7 expected lines missing

Invalid lines

lemmatechnologies, 1844, RESELLER
rtbdemand.com, {seller id}, DIRECT

Corrected file: d3e902cb1.app-ads-txt.com app-ads.txt (fixed).

FAQ

Does d3e902cb1.app-ads-txt.com have an app-ads.txt?

Yes — https://d3e902cb1.app-ads-txt.com/app-ads.txt has 3,181 lines (checked 20 Oct 2026).

Which ad networks does d3e902cb1.app-ads-txt.com work with?

Its app-ads.txt lists AppLovin, Bidmachine, CAS.ai, Meta Audience Network, DT Exchange (Fyber), Google AdMob, InMobi, ironSource / LevelPlay, Sovrn, Mintegral, OpenX, TikTok Ad Network (Pangle) and 22 more.

d3e902cb1.app-ads-txt.com app-ads.txt check

Ad networks in d3e902cb1.app-ads-txt.com/app-ads.txt

Invalid lines

FAQ

Does d3e902cb1.app-ads-txt.com have an app-ads.txt?

Which ad networks does d3e902cb1.app-ads-txt.com work with?

Is the app-ads.txt of d3e902cb1.app-ads-txt.com correct?

Other checked domains

More