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.

mgtc.dev app-ads.txt check

mgtc.dev is missing out on higher CPMs: its app-ads.txt has 1 invalid line and lists only 4,235 of the 6,410 lines its 19 ad networks expect (34% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 2,916 lines, 2,834 unique records, 52 duplicates, 1 invalid lines, 33 ad networks detected.

Ad networks in mgtc.dev/app-ads.txt

Meta Audience Network — accounts 393550582888535, 678480164853390, 1135579621349395 and 1 more: 4 lines in the file
Google AdMob — account pub-8458147126979562: 1 line in the file
ironSource / LevelPlay — account 414085: 91 lines in the file, 35 expected lines missing
AppLovin — account 8e5552cfe093f956456410ed73e75c8f: 36 lines in the file
Chartboost — account 65451855a8a8bc737776c702: 400 lines in the file, 319 expected lines missing
DT Exchange (Fyber) — account 224602: 344 lines in the file, 107 expected lines missing
Mintegral — account 41075: 400 lines in the file, 88 expected lines missing
Vungle — account 64649411ff6cc50014417a28: 359 lines in the file, 1 expected line missing
Bidmachine — account 1511: 400 lines in the file, 400 expected lines missing
Sovrn — accounts 411915, 563477, 594162 and 3 more: 6 lines in the file
Maticoo (zMaticoo) — accounts 5135063, 114490: 197 lines in the file, 249 expected lines missing
InMobi — account ddb41d8a9f434a918d05a0fc9999d9f9: 130 lines in the file, 142 expected lines missing
PubMatic — account 95054: 1 line in the file
OpenX — accounts 563905670, 564921063: 2 lines in the file
TripleLift — account 6998: 1 line in the file
BlueSea — account 204037: 24 lines in the file, 14 expected lines missing
Start.io — account 179510621: 76 lines in the file, 82 expected lines missing
Unity Ads — account 4621831: 123 lines in the file, 38 expected lines missing
Smaato — accounts 1100057628, 1100057546: 2 lines in the file
Yandex Ads — partner (reseller) lines only: 134 lines in the file, 34 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 80 lines in the file, 64 expected lines missing
BIGO Ads — partner (reseller) lines only: 391 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
Display.io — partner (reseller) lines only: 10 lines in the file, 22 expected lines missing
DSP Exchange — partner (reseller) lines only: 197 lines in the file, 364 expected lines missing
Monetrix — partner (reseller) lines only: 46 lines in the file, 47 expected lines missing
Prado — partner (reseller) lines only: 14 lines in the file, 13 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 172 lines in the file, 197 expected lines missing
Kidoz — partner (reseller) lines only: 10 lines in the file, 12 expected lines missing
CAS.ai — partner (reseller) lines only: 129 lines in the file, 36 expected lines missing
DSail — partner (reseller) lines only: 129 lines in the file, 36 expected lines missing

Invalid lines

lemmatechnologies,1844,RESELLER

Corrected file: mgtc.dev app-ads.txt (fixed).

FAQ

Does mgtc.dev have an app-ads.txt?

Yes — https://mgtc.dev/app-ads.txt has 2,916 lines (checked 19 Oct 2026).

Which ad networks does mgtc.dev work with?

Its app-ads.txt lists Meta Audience Network, Google AdMob, ironSource / LevelPlay, AppLovin, Chartboost, DT Exchange (Fyber), Mintegral, Vungle, Bidmachine, Sovrn, Maticoo (zMaticoo), InMobi and 21 more.

mgtc.dev app-ads.txt check

Ad networks in mgtc.dev/app-ads.txt

Invalid lines

FAQ

Does mgtc.dev have an app-ads.txt?

Which ad networks does mgtc.dev work with?

Is the app-ads.txt of mgtc.dev correct?

Other checked domains

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