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.

gram.gs app-ads.txt check

gram.gs is missing out on higher CPMs: its app-ads.txt has 7 invalid lines and lists only 635 of the 4,893 lines its 24 ad networks expect (87% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 1,503 lines, 1,389 unique records, 100 duplicates, 7 invalid lines, 33 ad networks detected.

Ad networks in gram.gs/app-ads.txt

AppLovin — accounts 1d42be746760fcdeb6abcef22173a110, 5781fc0f4f81ef6b8c4bb663f460628b, fc8851f953a974717617a34794445ce8: 11 lines in the file, 27 expected lines missing
Xandr (Microsoft) — accounts 12355, 1507, 7351 and 1 more: 4 lines in the file
Amazon Publisher Services — account 4773e9b2-0505-4577-88d0-f8ddde7e18aa: 1 line in the file
Chartboost — accounts 4f26e639cd1cb2f13e00000e, 542576b589b0bb117ed571ba, 58364e3204b01678cdb4e23a and 2 more: 95 lines in the file, 400 expected lines missing
Criteo — account 9593: 1 line in the file
Meta Audience Network — accounts 10152129083228034, 205929429954208, 213177779222413 and 8 more: 11 lines in the file
DT Exchange (Fyber) — accounts 208429, 209382, 210414: 48 lines in the file, 400 expected lines missing
Google AdMob — accounts pub-0054876817521062, pub-1593578313036267, pub-3004679189235742 and 20 more: 23 lines in the file
HyprMX — account 23812592631: 32 lines in the file, 338 expected lines missing
Index Exchange — accounts 186245, 188641, 189455 and 2 more: 5 lines in the file
InMobi — accounts 00833f99fc084044a48e28282e332668, 1608141585a54128aec63a17a9ee2a9d, 571 and 3 more: 44 lines in the file, 233 expected lines missing
ironSource / LevelPlay — accounts 190949, 229845, 47576 and 1 more: 28 lines in the file, 101 expected lines missing
Mintegral — account 18361: 189 lines in the file, 400 expected lines missing
MobileFuse — accounts 3806, 3876: 2 lines in the file
Ogury — account 3f7802578e5acc85ef9fd52b7c454050: 1 line in the file, 17 expected lines missing
OpenX — accounts 113244, 539408796, 539463602 and 3 more: 6 lines in the file
PubMatic — accounts 156348, 156382, 156849 and 4 more: 7 lines in the file
Verve (PubNative) — accounts 1007228, 1007389, 1007547: 73 lines in the file, 400 expected lines missing
Magnite (Rubicon) — accounts 11784, 15526, 8735: 3 lines in the file
Smaato — accounts 1100023040, 1100036635, 1100037252 and 1 more: 4 lines in the file
TripleLift — accounts 10254, 5804, 6078 and 8 more: 11 lines in the file
Unity Ads — accounts 1048191, 1081655, 1224638 and 12 more: 34 lines in the file, 141 expected lines missing
Liftoff Monetize (Vungle) — accounts 561e8d976b8d90f61a003d96, 56c3a378adccd1cb7e00000a, 57a7eb486f5ce18e4a000048 and 1 more: 61 lines in the file, 333 expected lines missing
Yahoo — accounts 10297, 1112770, 1166006 and 4 more: 7 lines in the file
Yandex Ads — partner (reseller) lines only: 16 lines in the file, 152 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 49 lines in the file, 95 expected lines missing
BIGO Ads — partner (reseller) lines only: 53 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 293 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 142 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 21 lines in the file, 400 expected lines missing
CAS.ai — partner (reseller) lines only: 14 lines in the file, 151 expected lines missing
DSail — partner (reseller) lines only: 14 lines in the file, 151 expected lines missing
Bidmachine — partner (reseller) lines only: 84 lines in the file, 400 expected lines missing

Invalid lines

appnexus, 2764, RESELLER
fyber.com, RESELLER, b1b7bb36c748c2bbdca83f789bd0ab0d
ironsrc.com 5a169d7d9515390002000001 DIRECT
rhythmone.com, 1755648630, RESELLER a670c89d4a324e47
streamrail.net 56f91cd4d3e3660002000033 DIRECT
tpmn.io 256, RESELLER
video. unrulymedia.com, 1352466146, RESELLER

Corrected file: gram.gs app-ads.txt (fixed).

FAQ

Does gram.gs have an app-ads.txt?

Yes — https://gram.gs/app-ads.txt has 1,503 lines (checked 20 Oct 2026).

Which ad networks does gram.gs work with?

Its app-ads.txt lists AppLovin, Xandr (Microsoft), Amazon Publisher Services, Chartboost, Criteo, Meta Audience Network, DT Exchange (Fyber), Google AdMob, HyprMX, Index Exchange, InMobi, ironSource / LevelPlay and 21 more.

gram.gs app-ads.txt check

Ad networks in gram.gs/app-ads.txt

Invalid lines

FAQ

Does gram.gs have an app-ads.txt?

Which ad networks does gram.gs work with?

Is the app-ads.txt of gram.gs correct?

Other checked domains

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