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.

vietgamedev.com app-ads.txt check

vietgamedev.com is missing out on higher CPMs: its app-ads.txt has 6 invalid lines and lists only 4,960 of the 8,752 lines its 30 ad networks expect (43% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 4,260 lines, 3,380 unique records, 874 duplicates, 6 invalid lines, 43 ad networks detected.

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

Index Exchange — accounts 205387, 189148, 189149 and 1 more: 4 lines in the file
VK Ads (myTarget) — account 24988009: 144 lines in the file, 31 expected lines missing
AppLovin — accounts c55cb23ba8f04a26dab88b1ece191406, db8440c24bc69b9adb30cf715f23b1ea: 35 lines in the file, 2 expected lines missing
Xandr (Microsoft) — accounts 12998, 3691, 806: 3 lines in the file
Amazon Publisher Services — accounts 5d8ed25e-57cc-441a-b62a-127b34faae4e, 82136cb7-dc8e-4436-a982-2bf586a05410, bb94c4be-0519-4a37-b613-95a76906da6a and 1 more: 4 lines in the file
Bidmachine — accounts 200, 630: 400 lines in the file, 400 expected lines missing
BIGO Ads — accounts 1016, 1114228, 1163: 400 lines in the file, 374 expected lines missing
Chartboost — accounts 620e1b4b38859507f14af54f, 6655871512b29391ae8d55dc: 400 lines in the file, 8 expected lines missing
Criteo — account B-059857: 1 line in the file
Meta Audience Network — account 1337160749653128: 1 line in the file
DT Exchange (Fyber) — accounts 218367, 221019, 212189: 301 lines in the file, 152 expected lines missing
Google AdMob — accounts pub-1386280613967939, pub-1418529948870857, pub-3078899387421921 and 6 more: 9 lines in the file
HyprMX — account 26973827204: 349 lines in the file, 21 expected lines missing
InMobi — accounts 16600394d82645eeb37cd25e32849684, ddb41d8a9f434a918d05a0fc9999d9f9, e6061a1ac4f74859bdcb7561e92a1143 and 1 more: 160 lines in the file, 115 expected lines missing
ironSource / LevelPlay — accounts 216683, 335022: 81 lines in the file, 46 expected lines missing
Kidoz — account 14639: 10 lines in the file, 13 expected lines missing
Sovrn — account 411915: 1 line in the file
Mintegral — accounts 22405, 30350: 400 lines in the file, 130 expected lines missing
OpenX — accounts 540308356, 541034593, 542280909 and 1 more: 4 lines in the file
TikTok Ad Network (Pangle) — accounts 40145, 52328, 9898: 3 lines in the file
PubMatic — accounts 157267, 159501, 160565 and 2 more: 5 lines in the file
Verve (PubNative) — accounts 1009651, 1016385: 400 lines in the file, 400 expected lines missing
Magnite (Rubicon) — accounts 17692, 21468, 24872 and 4 more: 7 lines in the file
Smaato — accounts 1100048581, 1100053866, 1100054591 and 6 more: 9 lines in the file
SuperAwesome — account 177: 5 lines in the file, 1 expected line missing
TripleLift — accounts 7207, 7207-EB: 2 lines in the file
Unity Ads — accounts 1056932, 2214291, 2260833: 87 lines in the file, 76 expected lines missing
Vungle — accounts 60c71d9d6b22ac0017d0bca4, 57c1df504cd38eff24000040: 350 lines in the file, 11 expected lines missing
Yahoo — account 60050: 1 line in the file
Yandex Ads — accounts 104589697, 104672652: 103 lines in the file, 67 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 19 lines in the file, 30 expected lines missing
BlueSea — partner (reseller) lines only: 10 lines in the file, 27 expected lines missing
Display.io — partner (reseller) lines only: 10 lines in the file, 22 expected lines missing
DSP Exchange — partner (reseller) lines only: 293 lines in the file, 268 expected lines missing
Madex — partner (reseller) lines only: 7 lines in the file, 11 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 117 lines in the file, 327 expected lines missing
Monetrix — partner (reseller) lines only: 19 lines in the file, 74 expected lines missing
Prado — partner (reseller) lines only: 13 lines in the file, 14 expected lines missing
Ogury — partner (reseller) lines only: 4 lines in the file, 13 expected lines missing
Start.io — partner (reseller) lines only: 42 lines in the file, 115 expected lines missing
CAS.ai — partner (reseller) lines only: 95 lines in the file, 70 expected lines missing
DSail — partner (reseller) lines only: 95 lines in the file, 70 expected lines missing

Invalid lines

Adipolosolutions.com, XXXXXXXXXX, DIRECT
conversantmedia.com, 41896, RESELLER 03113cd04947736d
singularads, 984415, RESELLER
smaato.com,to be added,DIRECT,07bcf65f187117b4
trustedstack, TSTKQ5827, RESELLER
vidoomy.com, 7981862, RESELLER - CTV

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

FAQ

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

Yes — https://vietgamedev.com/app-ads.txt has 4,260 lines (checked 20 Oct 2026).

Which ad networks does vietgamedev.com work with?

Its app-ads.txt lists Index Exchange, VK Ads (myTarget), AppLovin, Xandr (Microsoft), Amazon Publisher Services, Bidmachine, BIGO Ads, Chartboost, Criteo, Meta Audience Network, DT Exchange (Fyber), Google AdMob and 31 more.

vietgamedev.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does vietgamedev.com work with?

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

Other checked domains

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