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.

gametion.com app-ads.txt check

gametion.com 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 19 Oct 2026. 3,344 lines, 2,416 unique records, 865 duplicates, 2 invalid lines, 35 ad networks detected.

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

Google AdMob — accounts pub-6685996456292814, pub-5539699793417934, pub-8622186303703569 and 2 more: 5 lines in the file
Meta Audience Network — accounts 164332134168399, 823487845770466: 2 lines in the file
InMobi — accounts 3373e6e7e4a94fa08c5263b33b601767, eed821f6d5764b87a714340aa2f7f090, e6dbaccdc7584669a4f4ed86ed1e76d5 and 2 more: 198 lines in the file, 78 expected lines missing
TripleLift — accounts 10514, 10514-EB, 7677: 3 lines in the file
Criteo — accounts B-059025, b-060738: 2 lines in the file
Magnite (Rubicon) — accounts 19652, 26980: 2 lines in the file
AppLovin — accounts 8a2e747ab9fc95ccfea1c74c3d58a292, d67089768f4237268c403f8770c4897b: 37 lines in the file
PubMatic — account 160518: 1 line in the file
Index Exchange — account 194641: 1 line in the file
Unity Ads — account 1078677: 127 lines in the file, 34 expected lines missing
OpenX — account 541007133: 1 line in the file
DT Exchange (Fyber) — accounts 219849, 226826: 400 lines in the file, 51 expected lines missing
Xandr (Microsoft) — account 280: 1 line in the file
Vungle — account 561e8d956b8d90f61a0026fb: 360 lines in the file
Mintegral — accounts 40069, 44977: 400 lines in the file, 43 expected lines missing
ironSource / LevelPlay — accounts 444843, 315489: 109 lines in the file, 18 expected lines missing
Amazon Publisher Services — account 5ae68014-6be3-42c2-b373-1b641be781f5: 1 line in the file
Chartboost — partner (reseller) lines only: 400 lines in the file, 338 expected lines missing
Yandex Ads — partner (reseller) lines only: 92 lines in the file, 76 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 78 lines in the file, 66 expected lines missing
BIGO Ads — partner (reseller) lines only: 327 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: 30 lines in the file, 19 expected lines missing
BlueSea — partner (reseller) lines only: 12 lines in the file, 25 expected lines missing
DSP Exchange — partner (reseller) lines only: 265 lines in the file, 296 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 127 lines in the file, 317 expected lines missing
Monetrix — partner (reseller) lines only: 27 lines in the file, 66 expected lines missing
Prado — partner (reseller) lines only: 17 lines in the file, 10 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 153 lines in the file, 216 expected lines missing
Start.io — partner (reseller) lines only: 44 lines in the file, 113 expected lines missing
Kidoz — partner (reseller) lines only: 13 lines in the file, 9 expected lines missing
CAS.ai — partner (reseller) lines only: 84 lines in the file, 81 expected lines missing
DSail — partner (reseller) lines only: 84 lines in the file, 81 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing

Invalid lines

ImproveDigital, 2343, RESELLER
nextmillennium.io,16399,65bd090fa4a1e3d6,DIRECT

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

FAQ

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

Yes — https://gametion.com/app-ads.txt has 3,344 lines (checked 19 Oct 2026).

Which ad networks does gametion.com work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, InMobi, TripleLift, Criteo, Magnite (Rubicon), AppLovin, PubMatic, Index Exchange, Unity Ads, OpenX, DT Exchange (Fyber) and 23 more.

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