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.

rac1.org app-ads.txt check

rac1.org is missing out on higher CPMs: its app-ads.txt lists only 92 of the 255 lines its 12 ad networks expect (64% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 1,296 lines, 1,183 unique records, 34 duplicates, 0 invalid lines, 28 ad networks detected.

Ad networks in rac1.org/app-ads.txt

Index Exchange — accounts 215593, 215229, 187013 and 3 more: 6 lines in the file
Google AdMob — accounts pub-3272912600735998, pub-8919565861366023, pub-1796204750806796 and 6 more: 9 lines in the file
PubMatic — accounts 158299, 163480, 157743 and 8 more: 11 lines in the file
OpenX — accounts 540363471, 545708355, 558218698 and 1 more: 4 lines in the file
Xandr (Microsoft) — accounts 8804, 10535, 8233 and 3 more: 6 lines in the file
Amazon Publisher Services — accounts 5107, 6f354287-be81-4032-bf64-3a62262fb72f, bbbb77a7-1459-4c85-af82-cd7e0a773a21 and 3 more: 6 lines in the file
Magnite (Rubicon) — accounts 17960, 22328, 13510 and 11 more: 14 lines in the file
Sovrn — accounts 346012, 267070, 551588 and 11 more: 14 lines in the file
Criteo — accounts B-058521, B-068838, B-060927 and 1 more: 4 lines in the file
Yandex Ads — account 91473013: 15 lines in the file, 154 expected lines missing
TripleLift — accounts 13802, 13802-EB: 2 lines in the file
Ogury — account c02e4074-693c-45a5-bc09-38dd4cda067d: 9 lines in the file, 9 expected lines missing
Mintegral — partner (reseller) lines only: 61 lines in the file, 400 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 10 lines in the file, 115 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 30 lines in the file, 360 expected lines missing
Chartboost — partner (reseller) lines only: 59 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 24 lines in the file, 247 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 26 lines in the file, 400 expected lines missing
BIGO Ads — partner (reseller) lines only: 58 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 151 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 82 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 50 lines in the file, 394 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 69 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 28 lines in the file, 341 expected lines missing
Start.io — partner (reseller) lines only: 18 lines in the file, 139 expected lines missing
CAS.ai — partner (reseller) lines only: 15 lines in the file, 150 expected lines missing
DSail — partner (reseller) lines only: 15 lines in the file, 150 expected lines missing
Bidmachine — partner (reseller) lines only: 110 lines in the file, 400 expected lines missing

Corrected file: rac1.org app-ads.txt (fixed).

FAQ

Does rac1.org have an app-ads.txt?

Yes — https://rac1.org/app-ads.txt has 1,296 lines (checked 20 Oct 2026).

Which ad networks does rac1.org work with?

Its app-ads.txt lists Index Exchange, Google AdMob, PubMatic, OpenX, Xandr (Microsoft), Amazon Publisher Services, Magnite (Rubicon), Sovrn, Criteo, Yandex Ads, TripleLift, Ogury and 16 more.

rac1.org app-ads.txt check

Ad networks in rac1.org/app-ads.txt

FAQ

Does rac1.org have an app-ads.txt?

Which ad networks does rac1.org work with?

Is the app-ads.txt of rac1.org correct?

Other checked domains

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