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.

larkplayer.com app-ads.txt check

larkplayer.com is missing out on higher CPMs: its app-ads.txt has 10 invalid lines and lists only 2,457 of the 4,428 lines its 17 ad networks expect (45% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 21 Oct 2026. 2,745 lines, 2,058 unique records, 586 duplicates, 10 invalid lines, 33 ad networks detected.

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

Google AdMob — account pub-7809705414459991: 1 line in the file
Liftoff Monetize (Vungle) — account 575d1c861295e1447c0000e5: 391 lines in the file
PubMatic — accounts 159856, 160175, 159078 and 1 more: 4 lines in the file
Meta Audience Network — account 490089371179411: 1 line in the file
OpenX — account 542280337: 1 line in the file
Smaato — account 1100054942: 1 line in the file
Verve (PubNative) — accounts 1007183, 1008061: 394 lines in the file, 400 expected lines missing
ironSource / LevelPlay — account 340776: 65 lines in the file, 61 expected lines missing
InMobi — accounts 8a01f5081f584f05b94d75de80b77de7, 59c7922793a3477b9419f0854d1da7e9: 191 lines in the file, 82 expected lines missing
BIGO Ads — accounts 142, 13005: 290 lines in the file, 400 expected lines missing
Xandr (Microsoft) — account 7351: 1 line in the file
Yahoo — account 59405: 1 line in the file
TikTok Ad Network (Pangle) — account 63659: 1 line in the file
BlueSea — account 232767: 10 lines in the file, 28 expected lines missing
Maticoo (zMaticoo) — account 1049401: 137 lines in the file, 308 expected lines missing
Monetrix — account 12030: 54 lines in the file, 40 expected lines missing
Mintegral — account 74296: 400 lines in the file, 1 expected line missing
AppLovin — partner (reseller) lines only: 17 lines in the file, 18 expected lines missing
Unity Ads — partner (reseller) lines only: 58 lines in the file, 102 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 345 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 207 lines in the file, 243 expected lines missing
Yandex Ads — partner (reseller) lines only: 81 lines in the file, 87 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 82 lines in the file, 62 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 16 lines in the file, 33 expected lines missing
Display.io — partner (reseller) lines only: 7 lines in the file, 25 expected lines missing
DSP Exchange — partner (reseller) lines only: 245 lines in the file, 316 expected lines missing
Prado — partner (reseller) lines only: 8 lines in the file, 19 expected lines missing
HyprMX — partner (reseller) lines only: 141 lines in the file, 228 expected lines missing
Start.io — partner (reseller) lines only: 45 lines in the file, 112 expected lines missing
CAS.ai — partner (reseller) lines only: 73 lines in the file, 92 expected lines missing
DSail — partner (reseller) lines only: 73 lines in the file, 92 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing

Invalid lines

leanback.digital, ESS-D666 RESELLER, b1d30350acaf0176
conversantmedia.com, 41896, RESELLER 03113cd04947736d
tpmn.io 256, RESELLER
Engagebdr.com. 10332, DIRECT
mars.media, 1010451, RESELLER 8624339f102fb076
smartyads.com, 897, fd2bde0ff2e62c5d, RESELLER
pangleglobal.com, Account ID, DIRECT
keenkale, 94044, RESELLER, 6c1c00b269ccdfa4
keenkale, 94044, RESELLER, 6c1c00b269ccdfa4
lumeriq, 111326 RESELLER

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

FAQ

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

Yes — https://larkplayer.com/app-ads.txt has 2,745 lines (checked 21 Oct 2026).

Which ad networks does larkplayer.com work with?

Its app-ads.txt lists Google AdMob, Liftoff Monetize (Vungle), PubMatic, Meta Audience Network, OpenX, Smaato, Verve (PubNative), ironSource / LevelPlay, InMobi, BIGO Ads, Xandr (Microsoft), Yahoo and 21 more.

larkplayer.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does larkplayer.com work with?

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

Other checked domains

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