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.

u1a5dbf73.app-ads-txt.com app-ads.txt check

u1a5dbf73.app-ads-txt.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines and lists only 5,426 of the 7,070 lines its 23 ad networks expect (23% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 4,451 lines, 4,449 unique records, 0 duplicates, 2 invalid lines, 37 ad networks detected.

Ad networks in u1a5dbf73.app-ads-txt.com/app-ads.txt

AppLovin — accounts 6f3c26a5fe17e5ac77e1cec055429279, f8d9282afa421a84cc4cccbc5e4e7c8e: 36 lines in the file, 1 expected line missing
Amazon Publisher Services — accounts 19156873, c4270ebc-5b62-4de8-bc0c-1c51c38a0031: 2 lines in the file
Bidmachine — accounts 200, 577, 983: 400 lines in the file, 400 expected lines missing
BIGO Ads — account 1115441: 400 lines in the file, 308 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 132 lines in the file, 33 expected lines missing
Chartboost — accounts 5a4f51e202e6cb13b3c8284f, 5fb7657babae3708ba6db380: 400 lines in the file, 153 expected lines missing
Meta Audience Network — accounts 176925550865239, 2086384784934140, 681708319393636 and 1 more: 4 lines in the file
DT Exchange (Fyber) — accounts 213986, 222939: 354 lines in the file, 98 expected lines missing
Google AdMob — accounts pub-2152232918216707, pub-2687326720221638, pub-3940256099942544 and 5 more: 8 lines in the file
InMobi — account 0a0c64c766c0441da6f7aa9eefd26dae: 181 lines in the file, 91 expected lines missing
ironSource / LevelPlay — accounts 286233, 317998: 92 lines in the file, 35 expected lines missing
Sovrn — accounts 323999, 411915, 543917 and 4 more: 7 lines in the file
Mintegral — accounts 33655, 38465: 400 lines in the file, 68 expected lines missing
OpenX — accounts 540861995, 563905670, 564921063: 3 lines in the file
TikTok Ad Network (Pangle) — account 9898: 1 line in the file
PubMatic — account 95054: 1 line in the file
Magnite (Rubicon) — accounts 26440, 26442: 2 lines in the file
Smaato — accounts 1100055871, 1100057628: 2 lines in the file
Start.io — account 117514417: 82 lines in the file, 76 expected lines missing
TripleLift — account 6998: 1 line in the file
Unity Ads — accounts 1048191, 1321737, 1716409: 104 lines in the file, 59 expected lines missing
Vungle — accounts 561e8d966b8d90f61a003835, 5bfe0b01b8edba7c476e95b1: 360 lines in the file, 1 expected line missing
Yandex Ads — accounts 305821279, 98442450: 139 lines in the file, 31 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 108 lines in the file, 36 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 29 lines in the file, 20 expected lines missing
BlueSea — partner (reseller) lines only: 24 lines in the file, 13 expected lines missing
Display.io — partner (reseller) lines only: 15 lines in the file, 17 expected lines missing
DSP Exchange — partner (reseller) lines only: 369 lines in the file, 192 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 218 lines in the file, 226 expected lines missing
Monetrix — partner (reseller) lines only: 50 lines in the file, 43 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: 204 lines in the file, 165 expected lines missing
Kidoz — partner (reseller) lines only: 11 lines in the file, 11 expected lines missing
DSail — partner (reseller) lines only: 132 lines in the file, 33 expected lines missing

Invalid lines

lemmatechnologies, 1844, RESELLER
singularads, 548745, RESELLER

Corrected file: u1a5dbf73.app-ads-txt.com app-ads.txt (fixed).

FAQ

Does u1a5dbf73.app-ads-txt.com have an app-ads.txt?

Yes — https://u1a5dbf73.app-ads-txt.com/app-ads.txt has 4,451 lines (checked 20 Oct 2026).

Which ad networks does u1a5dbf73.app-ads-txt.com work with?

Its app-ads.txt lists AppLovin, Amazon Publisher Services, Bidmachine, BIGO Ads, CAS.ai, Chartboost, Meta Audience Network, DT Exchange (Fyber), Google AdMob, InMobi, ironSource / LevelPlay, Sovrn and 25 more.

u1a5dbf73.app-ads-txt.com app-ads.txt check

Ad networks in u1a5dbf73.app-ads-txt.com/app-ads.txt

Invalid lines

FAQ

Does u1a5dbf73.app-ads-txt.com have an app-ads.txt?

Which ad networks does u1a5dbf73.app-ads-txt.com work with?

Is the app-ads.txt of u1a5dbf73.app-ads-txt.com correct?

Other checked domains

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