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.

tapnice.com app-ads.txt check

tapnice.com is missing out on higher CPMs: its app-ads.txt has 3 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 9,165 lines, 8,323 unique records, 468 duplicates, 3 invalid lines, 42 ad networks detected.

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

ironSource / LevelPlay — accounts 197891, 153795, 153941 and 8 more: 136 lines in the file
OpenX — accounts 540861995, 564921063, 563905670 and 3 more: 6 lines in the file
InMobi — accounts 09e3e62d8b9b4ed4b8c73fe9394a6e3f, b616bd5d26a24e6caa66ad25757c3d3e, d72bcf391ce5477992378fc67c3b739e and 10 more: 279 lines in the file, 5 expected lines missing
TikTok Ad Network (Pangle) — accounts 7147, 68101, 10916 and 8 more: 11 lines in the file
Google AdMob — accounts pub-2129001407304490, pub-3772132815266713, pub-9826924005744879 and 16 more: 19 lines in the file
Unity Ads — accounts 20129, 11990, 1761713 and 10 more: 173 lines in the file
PubMatic — accounts 159078, 160565, 95054 and 8 more: 11 lines in the file
DT Exchange (Fyber) — accounts 210645, 212152, 214221 and 6 more: 400 lines in the file
Liftoff Monetize (Vungle) — accounts 561e8d956b8d90f61a002a2f, 5ef9d5fbf52f8e001b9caba9, 5f4e3812612b1a0015098e60 and 7 more: 400 lines in the file
AppLovin — accounts 30bd118b67359ea16adaa28714029d4a, e3d0f18ffcbeabb03e2adf2bfe194764, d7c478a63d2beda2c510b5590f53b984 and 10 more: 48 lines in the file
Meta Audience Network — accounts 817521508920069, 268499625673470, 636618554075763 and 7 more: 10 lines in the file
Chartboost — accounts 604a2ae8cc4ed4086af5b1d3, 54b8f66b04b01606d86e5fc0: 400 lines in the file, 1 expected line missing
Smaato — accounts 1100048312, 1100048177, 1100046815 and 9 more: 12 lines in the file
Verve (PubNative) — accounts 1009327, 1016935, 1009865 and 1 more: 400 lines in the file, 331 expected lines missing
Mintegral — accounts 20451, 27121, 24385 and 5 more: 400 lines in the file
Maticoo (zMaticoo) — accounts 114490, 5135063: 307 lines in the file, 139 expected lines missing
Ogury — accounts ec22ce11-0126-41bf-8d8a-98e5961f92e8, acc61684-025e-439b-839c-3e03abeb2904, 5bbe7af9-d51f-499e-a804-db54798d96f4: 13 lines in the file, 7 expected lines missing
Magnite (Rubicon) — accounts 25512, 166535, 24856 and 5 more: 8 lines in the file
Criteo — accounts B-066465, B-057702, B-071797 and 1 more: 4 lines in the file
Bidmachine — accounts 233, 1660, 233-1 and 2 more: 400 lines in the file, 44 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 143 lines in the file, 22 expected lines missing
Sovrn — accounts 594162, 543917, 544061 and 12 more: 15 lines in the file
Start.io — accounts 117514417, 163241862, 157659870: 129 lines in the file, 31 expected lines missing
TripleLift — accounts 14146, 6998, 13686 and 2 more: 5 lines in the file
Xandr (Microsoft) — accounts 10815, 15686, 16912 and 5 more: 8 lines in the file
BlueSea — account 204037: 26 lines in the file, 12 expected lines missing
Amazon Publisher Services — accounts 42df5c79-9a6a-4118-b46f-dd311cf16fb8, 303685fa-fad8-4b02-b1d5-cc653187bc3b: 2 lines in the file
BIGO Ads — accounts 1111861, 23173255, gqlxc6pidk and 7 more: 400 lines in the file, 9 expected lines missing
MobileFuse — account 4627: 1 line in the file
CloudX — account miWt42tvOxZKuZF-o-x-Q: 4 lines in the file
Yandex Ads — partner (reseller) lines only: 150 lines in the file, 18 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 121 lines in the file, 23 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 39 lines in the file, 10 expected lines missing
Display.io — partner (reseller) lines only: 13 lines in the file, 19 expected lines missing
DSP Exchange — partner (reseller) lines only: 400 lines in the file, 85 expected lines missing
Madex — partner (reseller) lines only: 10 lines in the file, 8 expected lines missing
Monetrix — partner (reseller) lines only: 65 lines in the file, 28 expected lines missing
Prado — partner (reseller) lines only: 22 lines in the file, 5 expected lines missing
HyprMX — partner (reseller) lines only: 263 lines in the file, 106 expected lines missing
Kidoz — partner (reseller) lines only: 18 lines in the file, 4 expected lines missing
DSail — partner (reseller) lines only: 143 lines in the file, 22 expected lines missing

Invalid lines

singularads, 548745, RESELLER
lemmatechnologies,1844,RESELLER
singularads, 225023, RESELLER

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

FAQ

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

Yes — https://tapnice.com/app-ads.txt has 9,165 lines (checked 19 Oct 2026).

Which ad networks does tapnice.com work with?

Its app-ads.txt lists ironSource / LevelPlay, OpenX, InMobi, TikTok Ad Network (Pangle), Google AdMob, Unity Ads, PubMatic, DT Exchange (Fyber), Liftoff Monetize (Vungle), AppLovin, Meta Audience Network, Chartboost and 30 more.

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