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.

zeyuan.ink app-ads.txt check

zeyuan.ink 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 20 Oct 2026. 5,469 lines, 4,574 unique records, 871 duplicates, 2 invalid lines, 35 ad networks detected.

Ad networks in zeyuan.ink/app-ads.txt

Mintegral — accounts 45600, 45757: 400 lines in the file
Monetrix — account 11006: 71 lines in the file, 23 expected lines missing
Start.io — accounts 179510621, 117514417: 127 lines in the file, 32 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 143 lines in the file, 22 expected lines missing
Google AdMob — account pub-5276179039652828: 1 line in the file
DT Exchange (Fyber) — accounts 237080, 230015, 233398: 400 lines in the file
TikTok Ad Network (Pangle) — account 5027779: 1 line in the file
Bidmachine — accounts 723, 797: 400 lines in the file
Sovrn — accounts 411915, 563477, 594162 and 4 more: 7 lines in the file
Maticoo (zMaticoo) — account 5135063: 286 lines in the file, 159 expected lines missing
InMobi — account ddb41d8a9f434a918d05a0fc9999d9f9: 153 lines in the file, 119 expected lines missing
PubMatic — account 95054: 1 line in the file
OpenX — accounts 563905670, 564921063, 564972066: 3 lines in the file
TripleLift — accounts 6998, 14146: 2 lines in the file
BlueSea — account 204037: 24 lines in the file, 14 expected lines missing
Unity Ads — accounts 7497604, 6360295: 143 lines in the file, 19 expected lines missing
AppLovin — account 159a808cce4f33b0e23c1fc9d0b940fa: 36 lines in the file
Xandr (Microsoft) — account 10815: 1 line in the file
Meta Audience Network — account 1044710364684456: 1 line in the file
BIGO Ads — accounts v278z7bqvs, ecqm74zs3o: 400 lines in the file
ironSource / LevelPlay — partner (reseller) lines only: 83 lines in the file, 42 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 269 lines in the file, 121 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 287 expected lines missing
Yandex Ads — partner (reseller) lines only: 149 lines in the file, 19 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 91 lines in the file, 53 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 38 lines in the file, 11 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 207 lines in the file, 354 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Prado — partner (reseller) lines only: 15 lines in the file, 12 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 193 lines in the file, 176 expected lines missing
Kidoz — partner (reseller) lines only: 11 lines in the file, 11 expected lines missing
DSail — partner (reseller) lines only: 143 lines in the file, 22 expected lines missing

Invalid lines

lumeriq, 111326 RESELLER
lemmatechnologies,1844,RESELLER

Corrected file: zeyuan.ink app-ads.txt (fixed).

FAQ

Does zeyuan.ink have an app-ads.txt?

Yes — https://zeyuan.ink/app-ads.txt has 5,469 lines (checked 20 Oct 2026).

Which ad networks does zeyuan.ink work with?

Its app-ads.txt lists Mintegral, Monetrix, Start.io, CAS.ai, Google AdMob, DT Exchange (Fyber), TikTok Ad Network (Pangle), Bidmachine, Sovrn, Maticoo (zMaticoo), InMobi, PubMatic and 23 more.

Is the app-ads.txt of zeyuan.ink correct?