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.

whatwapp.com app-ads.txt check

whatwapp.com is a bit behind: its app-ads.txt has no errors, but lists 4,907 of the 5,026 lines its 13 ad networks expect — 119 lines are missing, so the file isn't fully up to date. Unlisted sellers can't be verified.

Checked 20 Oct 2026. 5,660 lines, 4,115 unique records, 1,520 duplicates, 0 invalid lines, 31 ad networks detected.

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

Google AdMob — account pub-7104477320662865: 1 line in the file
ironSource / LevelPlay — account 369013: 125 lines in the file, 1 expected line missing
AppLovin — account 21da3a47df5957e4abc40436fbee1965: 36 lines in the file
Unity Ads — account 17326: 161 lines in the file
DT Exchange (Fyber) — account 223864: 400 lines in the file, 22 expected lines missing
Meta Audience Network — account 610367682441514: 1 line in the file
Liftoff Monetize (Vungle) — account 656752095942160011cc29ae: 386 lines in the file, 5 expected lines missing
Mintegral — account 44995: 400 lines in the file
Bidmachine — account 916: 400 lines in the file, 73 expected lines missing
Xandr (Microsoft) — accounts 15686, 16912: 2 lines in the file
Sovrn — account 411915: 1 line in the file
Magnite (Rubicon) — account 25512: 1 line in the file
InMobi — account 6f5b56ac434a4459aa70db02ecd2ec48: 254 lines in the file, 18 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 316 expected lines missing
Yandex Ads — partner (reseller) lines only: 138 lines in the file, 30 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 76 lines in the file, 68 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 336 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 37 lines in the file, 12 expected lines missing
BlueSea — partner (reseller) lines only: 23 lines in the file, 14 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 234 lines in the file, 327 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 257 lines in the file, 187 expected lines missing
Monetrix — partner (reseller) lines only: 59 lines in the file, 34 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: 168 lines in the file, 201 expected lines missing
Start.io — partner (reseller) lines only: 85 lines in the file, 72 expected lines missing
Kidoz — partner (reseller) lines only: 15 lines in the file, 7 expected lines missing
CAS.ai — partner (reseller) lines only: 129 lines in the file, 36 expected lines missing
DSail — partner (reseller) lines only: 129 lines in the file, 36 expected lines missing

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

FAQ

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

Yes — https://whatwapp.com/app-ads.txt has 5,660 lines (checked 20 Oct 2026).

Which ad networks does whatwapp.com work with?

Its app-ads.txt lists Google AdMob, ironSource / LevelPlay, AppLovin, Unity Ads, DT Exchange (Fyber), Meta Audience Network, Liftoff Monetize (Vungle), Mintegral, Bidmachine, Xandr (Microsoft), Sovrn, Magnite (Rubicon) and 19 more.

whatwapp.com app-ads.txt check

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

FAQ

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

Which ad networks does whatwapp.com work with?

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

Other checked domains

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