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.

nokoprint.com app-ads.txt check

nokoprint.com is missing out on higher CPMs: its app-ads.txt has 5 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 9,034 lines, 5,505 unique records, 3,449 duplicates, 5 invalid lines, 36 ad networks detected.

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

Google AdMob — accounts pub-1500263842947596, pub-8622186303703569: 2 lines in the file
AppLovin — account 528d95c98e5107b2faf86d6d9a2c4bef: 36 lines in the file
TikTok Ad Network (Pangle) — account 5002294: 1 line in the file
DT Exchange (Fyber) — account 225102: 400 lines in the file, 13 expected lines missing
Liftoff Monetize (Vungle) — account 61ba7f2c54dd340017c00e44: 391 lines in the file
Unity Ads — account 2913109: 161 lines in the file
Mintegral — account 34391: 400 lines in the file
BIGO Ads — account 1115548: 400 lines in the file
Magnite (Rubicon) — accounts 19652, 25194: 2 lines in the file
Criteo — account B-059025: 1 line in the file
Verve (PubNative) — account 1009768: 400 lines in the file, 79 expected lines missing
OpenX — account 551037203: 1 line in the file
Smaato — accounts 1100058765, 1100049947: 2 lines in the file
PubMatic — accounts 167697, 159856, 165874: 3 lines in the file
Bidmachine — account 1866: 400 lines in the file, 52 expected lines missing
ironSource / LevelPlay — account 417875: 125 lines in the file, 1 expected line missing
Chartboost — account 649a3c7e40d778f20d2f0f25: 400 lines in the file, 1 expected line missing
InMobi — accounts ddb41d8a9f434a918d05a0fc9999d9f9, 773b94964b864e8ea7c38c08f9234120: 172 lines in the file, 101 expected lines missing
Ogury — account fbade0ae-ff9e-45d3-b935-ab0e229d665f: 18 lines in the file
Sovrn — account 567122: 1 line in the file
Display.io — accounts 2508, 2522: 17 lines in the file, 17 expected lines missing
Yandex Ads — partner (reseller) lines only: 147 lines in the file, 21 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 97 lines in the file, 47 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
BlueSea — partner (reseller) lines only: 23 lines in the file, 14 expected lines missing
DSP Exchange — partner (reseller) lines only: 273 lines in the file, 288 expected lines missing
Madex — partner (reseller) lines only: 5 lines in the file, 13 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 291 lines in the file, 153 expected lines missing
Monetrix — partner (reseller) lines only: 64 lines in the file, 29 expected lines missing
Prado — partner (reseller) lines only: 21 lines in the file, 6 expected lines missing
HyprMX — partner (reseller) lines only: 251 lines in the file, 118 expected lines missing
Start.io — partner (reseller) lines only: 123 lines in the file, 34 expected lines missing
Kidoz — partner (reseller) lines only: 17 lines in the file, 5 expected lines missing
CAS.ai — partner (reseller) lines only: 140 lines in the file, 25 expected lines missing
DSail — partner (reseller) lines only: 140 lines in the file, 25 expected lines missing

Invalid lines

conversantmedia.com, 41896, RESELLER 03113cd04947736d
singularads, 984415, RESELLER
smartadserver.com, <4199>-OB, RESELLER, 060d053dcf45cbf3
smartadserver.com, <4199>, RESELLER, 060d053dcf45cbf3
yahoo.com, 58905, RESELLER e1a5b5b6e3255540

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

FAQ

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

Yes — https://nokoprint.com/app-ads.txt has 9,034 lines (checked 20 Oct 2026).

Which ad networks does nokoprint.com work with?

Its app-ads.txt lists Google AdMob, AppLovin, TikTok Ad Network (Pangle), DT Exchange (Fyber), Liftoff Monetize (Vungle), Unity Ads, Mintegral, BIGO Ads, Magnite (Rubicon), Criteo, Verve (PubNative), OpenX and 24 more.

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