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.

belot.bg app-ads.txt check

belot.bg is missing out on higher CPMs: its app-ads.txt has 1 invalid line. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 6,545 lines, 4,475 unique records, 1,993 duplicates, 1 invalid lines, 30 ad networks detected.

Ad networks in belot.bg/app-ads.txt

AppLovin — account 020f7070471c6a611f7eacb42381a762: 36 lines in the file
Bidmachine — account 693: 400 lines in the file, 71 expected lines missing
Chartboost — account 5698a73f346b525e18f32774: 400 lines in the file, 1 expected line missing
DT Exchange (Fyber) — account 216575: 400 lines in the file, 21 expected lines missing
Google AdMob — accounts pub-6499634953071999, pub-9154267140537559: 2 lines in the file
InMobi — accounts bfe203493be74a45917b0993b9a74596, 3cafda7b03504ddd810eeb839a2e5070: 260 lines in the file, 13 expected lines missing
HyprMX — account 27777530909: 351 lines in the file, 19 expected lines missing
Verve (PubNative) — account 1016618: 400 lines in the file, 400 expected lines missing
ironSource / LevelPlay — account 113375: 125 lines in the file, 1 expected line missing
Liftoff Monetize (Vungle) — account 5cf91bdd9f68a00018aff6a4: 386 lines in the file, 5 expected lines missing
Meta Audience Network — accounts 793710937360741, 284231536748167, 575369997106352 and 8 more: 11 lines in the file
Mintegral — account 40143: 400 lines in the file, 21 expected lines missing
Ogury — account 92448094-5fd1-4abe-910f-13fcfb86caa9: 18 lines in the file
TikTok Ad Network (Pangle) — account 5011207: 1 line in the file
Unity Ads — account 2791007: 161 lines in the file
Yandex Ads — partner (reseller) lines only: 135 lines in the file, 33 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: 400 lines in the file, 295 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 38 lines in the file, 11 expected lines missing
BlueSea — partner (reseller) lines only: 22 lines in the file, 15 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 346 lines in the file, 215 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 260 lines in the file, 184 expected lines missing
Monetrix — partner (reseller) lines only: 60 lines in the file, 33 expected lines missing
Prado — partner (reseller) lines only: 18 lines in the file, 9 expected lines missing
Start.io — partner (reseller) lines only: 85 lines in the file, 72 expected lines missing
Kidoz — partner (reseller) lines only: 14 lines in the file, 8 expected lines missing
CAS.ai — partner (reseller) lines only: 126 lines in the file, 39 expected lines missing
DSail — partner (reseller) lines only: 126 lines in the file, 39 expected lines missing

Invalid lines

uis.mobfox.com, 2310, RESELLER 5529a3d1f59865be

Corrected file: belot.bg app-ads.txt (fixed).

FAQ

Does belot.bg have an app-ads.txt?

Yes — https://belot.bg/app-ads.txt has 6,545 lines (checked 20 Oct 2026).

Which ad networks does belot.bg work with?

Its app-ads.txt lists AppLovin, Bidmachine, Chartboost, DT Exchange (Fyber), Google AdMob, InMobi, HyprMX, Verve (PubNative), ironSource / LevelPlay, Liftoff Monetize (Vungle), Meta Audience Network, Mintegral and 18 more.

Is the app-ads.txt of belot.bg correct?