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.

netshort.com app-ads.txt check

netshort.com is missing out on higher CPMs: its app-ads.txt has 4 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 26 Oct 2026. 7,261 lines, 5,064 unique records, 2,187 duplicates, 4 invalid lines, 36 ad networks detected.

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

Google AdMob — accounts pub-6880728595184927, pub-8295307411939304, pub-8981344377250832 and 2 more: 5 lines in the file
TikTok Ad Network (Pangle) — account 5021604: 1 line in the file
Meta Audience Network — account 1038761524143763: 1 line in the file
AppLovin — account 0972fdca6d825aee26c34a29c48b4ddd: 36 lines in the file
Unity Ads — account 5514181: 161 lines in the file
Liftoff Monetize (Vungle) — account 66bf1c62ddea6f0011b313a9: 391 lines in the file
Mintegral — account 49067: 400 lines in the file, 18 expected lines missing
DT Exchange (Fyber) — account 234712: 400 lines in the file, 22 expected lines missing
InMobi — accounts 6e60f0fcff0e432186eb5bad838d71ad, ddb41d8a9f434a918d05a0fc9999d9f9: 262 lines in the file, 11 expected lines missing
ironSource / LevelPlay — account 559061: 123 lines in the file, 3 expected lines missing
Bidmachine — account 1299: 400 lines in the file, 267 expected lines missing
Sovrn — accounts 411915, 563477, 594162 and 4 more: 7 lines in the file
Maticoo (zMaticoo) — accounts 5135063, 122586: 400 lines in the file, 22 expected lines missing
PubMatic — accounts 95054, 167650, 167508 and 1 more: 4 lines in the file
OpenX — accounts 563905670, 564921063, 564972066: 3 lines in the file
TripleLift — accounts 6998, 14146: 2 lines in the file
CAS.ai — accounts b5a73ae1, babe9c54: 142 lines in the file, 23 expected lines missing
BlueSea — accounts 204037, 7138193: 28 lines in the file, 11 expected lines missing
Start.io — account 117514417: 126 lines in the file, 32 expected lines missing
BIGO Ads — accounts 23167500, 23175748: 400 lines in the file, 9 expected lines missing
Chartboost — account 681c6b602ebdf610eb8d58e6: 400 lines in the file, 1 expected line missing
Xandr (Microsoft) — account 10815: 1 line in the file
Magnite (Rubicon) — account 28181: 1 line in the file
Yandex Ads — partner (reseller) lines only: 149 lines in the file, 19 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 92 lines in the file, 52 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 38 lines in the file, 11 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 311 lines in the file, 250 expected lines missing
Madex — partner (reseller) lines only: 5 lines in the file, 13 expected lines missing
Monetrix — partner (reseller) lines only: 66 lines in the file, 27 expected lines missing
Prado — partner (reseller) lines only: 19 lines in the file, 8 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 211 lines in the file, 158 expected lines missing
Kidoz — partner (reseller) lines only: 15 lines in the file, 7 expected lines missing
DSail — partner (reseller) lines only: 142 lines in the file, 23 expected lines missing

Invalid lines

lemmatechnologies,1844,RESELLER
anzu, 6926f89af6ae04ecf7a64747, RESELLER
b42d42eb28400efa,targetbetter.com, 6451, RESELLER
NS（517）

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

FAQ

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

Yes — https://netshort.com/app-ads.txt has 7,261 lines (checked 26 Oct 2026).

Which ad networks does netshort.com work with?

Its app-ads.txt lists Google AdMob, TikTok Ad Network (Pangle), Meta Audience Network, AppLovin, Unity Ads, Liftoff Monetize (Vungle), Mintegral, DT Exchange (Fyber), InMobi, ironSource / LevelPlay, Bidmachine, Sovrn and 24 more.

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