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.

leap.app app-ads.txt check

leap.app is missing out on higher CPMs: its app-ads.txt has 2 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 1,857 lines, 1,597 unique records, 240 duplicates, 2 invalid lines, 33 ad networks detected.

Ad networks in leap.app/app-ads.txt

Google AdMob — accounts pub-2890559903928937, pub-1980576454975917, pub-1831984866835672 and 4 more: 7 lines in the file
TripleLift — accounts 10344, 10344-EB: 2 lines in the file
Smaato — account 1100047005: 1 line in the file
PubMatic — accounts 160832, 160468, 167898 and 1 more: 4 lines in the file
OpenX — accounts 545628478, 559765924: 2 lines in the file
Index Exchange — account 195652: 1 line in the file
Meta Audience Network — account 1351359808972388: 1 line in the file
VK Ads (myTarget) — accounts 29310638, 2791629: 175 lines in the file, 1 expected line missing
BIGO Ads — accounts 23175848, 23174498, 23175437 and 1 more: 400 lines in the file, 1 expected line missing
Liftoff Monetize (Vungle) — accounts 561e8d956b8d90f61a002a26, 65533636b3db8e0011b3226d: 390 lines in the file, 2 expected lines missing
TikTok Ad Network (Pangle) — account 5015039: 1 line in the file
AppLovin — accounts d90be220ccee7cff11479260644144b1, 8a9e07e6ceff26fa3f4cf820e1619369: 37 lines in the file
InMobi — account 0e43264a9b3a4d88aee4cae0bb8224c9: 166 lines in the file, 106 expected lines missing
Mintegral — partner (reseller) lines only: 332 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 68 lines in the file, 92 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 55 lines in the file, 70 expected lines missing
Chartboost — partner (reseller) lines only: 304 lines in the file, 400 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 226 lines in the file, 224 expected lines missing
Yandex Ads — partner (reseller) lines only: 107 lines in the file, 61 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 29 lines in the file, 20 expected lines missing
BlueSea — partner (reseller) lines only: 9 lines in the file, 28 expected lines missing
DSP Exchange — partner (reseller) lines only: 145 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 154 lines in the file, 290 expected lines missing
Monetrix — partner (reseller) lines only: 32 lines in the file, 61 expected lines missing
Prado — partner (reseller) lines only: 11 lines in the file, 16 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 333 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 90 lines in the file, 279 expected lines missing
Start.io — partner (reseller) lines only: 98 lines in the file, 59 expected lines missing
Kidoz — partner (reseller) lines only: 7 lines in the file, 15 expected lines missing
CAS.ai — partner (reseller) lines only: 103 lines in the file, 62 expected lines missing
DSail — partner (reseller) lines only: 103 lines in the file, 62 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
b42d42eb28400efa,targetbetter.com, 6451, RESELLER

Corrected file: leap.app app-ads.txt (fixed).

FAQ

Does leap.app have an app-ads.txt?

Yes — https://leap.app/app-ads.txt has 1,857 lines (checked 20 Oct 2026).

Which ad networks does leap.app work with?

Its app-ads.txt lists Google AdMob, TripleLift, Smaato, PubMatic, OpenX, Index Exchange, Meta Audience Network, VK Ads (myTarget), BIGO Ads, Liftoff Monetize (Vungle), TikTok Ad Network (Pangle), AppLovin and 21 more.

Is the app-ads.txt of leap.app correct?