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.

cozytapstudio.com app-ads.txt check

cozytapstudio.com is missing out on higher CPMs: its app-ads.txt has 29 invalid lines and lists only 9,768 of the 11,898 lines its 33 ad networks expect (18% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 13,634 lines, 7,296 unique records, 6,274 duplicates, 29 invalid lines, 40 ad networks detected.

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

VK Ads (myTarget) — account 11009830: 139 lines in the file, 36 expected lines missing
AppLovin — account 13f398186867f440a7d0996411f473c9: 35 lines in the file, 1 expected line missing
Amazon Publisher Services — accounts 017057b9-3d3f-4a8b-8096-fbfcfe6cfd4f, 822c7bc2-d58f-4911-b8a2-95ee49e044c8, 42df5c79-9a6a-4118-b46f-dd311cf16fb8: 3 lines in the file
Bidmachine — accounts 339, 200, 339-4 and 2 more: 400 lines in the file, 400 expected lines missing
BIGO Ads — accounts 1007, 1008, 11009830 and 14 more: 400 lines in the file, 14 expected lines missing
Chartboost — accounts 64c34ccd5fbcea530a3d2c0b, 626a02966f3a6c07bebd829c: 400 lines in the file, 2 expected lines missing
Criteo — accounts B-066465, b-059856, b-070724 and 1 more: 4 lines in the file
Meta Audience Network — accounts 979909928827723, 1214594303074520: 2 lines in the file
DT Exchange (Fyber) — account 214623: 374 lines in the file, 77 expected lines missing
Google AdMob — accounts pub-6336405384015455, pub-9778753195567892, pub-7279990999620104 and 9 more: 12 lines in the file
InMobi — accounts c376ebdde5d14c15872027857a2267bc, cb6a6239dfec478f818c1ffca00ca440, 4eec1a4c9837415c9889705b40ae285b and 2 more: 217 lines in the file, 59 expected lines missing
ironSource / LevelPlay — accounts 209471, 374991, 221105 and 1 more: 108 lines in the file, 21 expected lines missing
Mintegral — accounts 19540, 39587, 41389 and 4 more: 400 lines in the file, 73 expected lines missing
TikTok Ad Network (Pangle) — accounts 36736, 5041696: 2 lines in the file
PubMatic — accounts 166093, 165874, 157113 and 8 more: 11 lines in the file
Magnite (Rubicon) — accounts 26442, 26440, 24856 and 9 more: 12 lines in the file
Smaato — accounts 1100048585, 1100054974, 1100055690 and 5 more: 8 lines in the file
TripleLift — accounts 13041, 13686, 13686-EB and 4 more: 7 lines in the file
Unity Ads — account 1016323: 128 lines in the file, 33 expected lines missing
Liftoff Monetize (Vungle) — accounts 5981a22bcf89a5b87f001edf, 5a57133a3610bbb671016ff3: 365 lines in the file, 27 expected lines missing
Yandex Ads — accounts 106358836, 102373141: 157 lines in the file, 13 expected lines missing
Ogury — accounts 329ddf60-dd1e-407d-b4de-2295d0834bc1, 5bbe7af9-d51f-499e-a804-db54798d96f4: 11 lines in the file, 8 expected lines missing
Sovrn — accounts 499384, 522380, 240095 and 9 more: 12 lines in the file
CAS.ai — accounts 922e6092, b5a73ae1, babe9c54: 150 lines in the file, 15 expected lines missing
OpenX — accounts 540861995, 558237126, 559912325 and 2 more: 5 lines in the file
Start.io — accounts 163241862, 157659870, 117514417: 126 lines in the file, 34 expected lines missing
Maticoo (zMaticoo) — accounts 114490, 5135063: 279 lines in the file, 167 expected lines missing
Verve (PubNative) — account 1016935: 400 lines in the file, 400 expected lines missing
Xandr (Microsoft) — accounts 9726, 12252, 8233 and 4 more: 7 lines in the file
Monetrix — accounts 643, 11054: 71 lines in the file, 24 expected lines missing
Display.io — account 2520: 22 lines in the file, 11 expected lines missing
BlueSea — account 204037: 24 lines in the file, 14 expected lines missing
Yango Ads — account 106358836: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 36 lines in the file, 13 expected lines missing
DSP Exchange — partner (reseller) lines only: 389 lines in the file, 172 expected lines missing
Madex — partner (reseller) lines only: 10 lines in the file, 8 expected lines missing
Prado — partner (reseller) lines only: 17 lines in the file, 10 expected lines missing
HyprMX — partner (reseller) lines only: 270 lines in the file, 99 expected lines missing
Kidoz — partner (reseller) lines only: 13 lines in the file, 9 expected lines missing
DSail — partner (reseller) lines only: 150 lines in the file, 15 expected lines missing

Invalid lines

singularads, 225023, RESELLER
singularads,895023,RESELLER
vungle.com,[yourVunglePublisherAccountID],DIRECT,c107d686becd2d77
singularads, 548745, RESELLER
singularads, 548745, RESELLER
singularads, 225023, RESELLER
ignitemediatech.com, pub_61940, DIRECT 152media.info, 152M241, RESELLER
Felixads.com, 8cb22bdd0b7ba1ab13d742e22eed8da235432, RESELLER, Felixads.com , 22267646181, DIRECT
PublisherId - 1922
pubmatic.com, 157529, intermediary, 5d62403b186f2ace
singularads, 556985, direct
onetag.com, 67c71bd96716ca3 RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b freewheel.tv, 535659-r-524565, RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b video.unrulymedia.com, 829160295, RESELLER
lumeriq, 111326 RESELLER

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

FAQ

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

Yes — https://cozytapstudio.com/app-ads.txt has 13,634 lines (checked 20 Oct 2026).

Which ad networks does cozytapstudio.com work with?

Its app-ads.txt lists VK Ads (myTarget), AppLovin, Amazon Publisher Services, Bidmachine, BIGO Ads, Chartboost, Criteo, Meta Audience Network, DT Exchange (Fyber), Google AdMob, InMobi, ironSource / LevelPlay and 28 more.

cozytapstudio.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does cozytapstudio.com work with?

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

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