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.

guppir.io app-ads.txt check

guppir.io is missing out on higher CPMs: its app-ads.txt has 4 invalid lines and lists only 2,847 of the 5,809 lines its 21 ad networks expect (51% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 2,509 lines, 2,431 unique records, 0 duplicates, 4 invalid lines, 39 ad networks detected.

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

AppLovin — account 423c76c87d766be8da3214c86a417432: 32 lines in the file, 4 expected lines missing
Unity Ads — account 3868179: 92 lines in the file, 69 expected lines missing
ironSource / LevelPlay — accounts 228860, 184628: 126 lines in the file, 1 expected line missing
Liftoff Monetize (Vungle) — account 5fb21924d8ff880015e84710: 391 lines in the file
Mintegral — account 28372: 400 lines in the file, 345 expected lines missing
TikTok Ad Network (Pangle) — accounts 5001870, 9898: 2 lines in the file
PubMatic — accounts 160565, 159855, 162179: 3 lines in the file
Google AdMob — accounts pub-7078505400105488, pub-6288985965837099, pub-7279990999620104 and 1 more: 4 lines in the file
InMobi — accounts 8678fb62bd504b05aa4dcf0b5fcf5495, 9db26b74b0cb43de95dcfcf712e9a587: 167 lines in the file, 106 expected lines missing
Index Exchange — accounts 192585, 186112, 199442: 3 lines in the file
DT Exchange (Fyber) — account 217718: 400 lines in the file
Smaato — account 1100054412: 1 line in the file
Chartboost — account 64082a6b49e51d49055b19cc: 400 lines in the file, 304 expected lines missing
Bidmachine — account 284: 400 lines in the file, 400 expected lines missing
Sovrn — accounts 380632-eb, 310770, 258942 and 1 more: 4 lines in the file
Xandr (Microsoft) — accounts 13701, 9818: 2 lines in the file
OpenX — accounts 541177116, 558780973: 2 lines in the file
Amazon Publisher Services — account 71d4b8ca-53d1-4309-a952-3306259fb046: 1 line in the file
Criteo — account B-061291: 1 line in the file
Magnite (Rubicon) — accounts 17352, 23740: 2 lines in the file
TripleLift — accounts 9544, 10763: 2 lines in the file
Yandex Ads — partner (reseller) lines only: 89 lines in the file, 79 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 101 lines in the file, 43 expected lines missing
BIGO Ads — partner (reseller) lines only: 301 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 26 lines in the file, 23 expected lines missing
BlueSea — partner (reseller) lines only: 10 lines in the file, 27 expected lines missing
Display.io — partner (reseller) lines only: 7 lines in the file, 25 expected lines missing
DSP Exchange — partner (reseller) lines only: 300 lines in the file, 261 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 118 lines in the file, 326 expected lines missing
Monetrix — partner (reseller) lines only: 24 lines in the file, 69 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: 140 lines in the file, 229 expected lines missing
Start.io — partner (reseller) lines only: 40 lines in the file, 117 expected lines missing
Kidoz — partner (reseller) lines only: 8 lines in the file, 14 expected lines missing
CAS.ai — partner (reseller) lines only: 79 lines in the file, 86 expected lines missing
DSail — partner (reseller) lines only: 79 lines in the file, 86 expected lines missing

Invalid lines

singularads, 892547, RESELLER
singularads, 895023, RESELLER
smartadserver.com, <4199>-OB, RESELLER, 060d053dcf45cbf3
smartadserver.com, <4199>, RESELLER, 060d053dcf45cbf3

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

FAQ

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

Yes — https://guppir.io/app-ads.txt has 2,509 lines (checked 19 Oct 2026).

Which ad networks does guppir.io work with?

Its app-ads.txt lists AppLovin, Unity Ads, ironSource / LevelPlay, Liftoff Monetize (Vungle), Mintegral, TikTok Ad Network (Pangle), PubMatic, Google AdMob, InMobi, Index Exchange, DT Exchange (Fyber), Smaato and 27 more.

guppir.io app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does guppir.io work with?

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

Other checked domains

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