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.

cookapps.com app-ads.txt check

cookapps.com is missing out on higher CPMs: its app-ads.txt has 4 invalid lines and lists only 4,458 of the 9,796 lines its 24 ad networks expect (54% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 3,743 lines, 2,401 unique records, 1,276 duplicates, 4 invalid lines, 38 ad networks detected.

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

Google AdMob — accounts pub-1076272347919893, pub-6582256874294334: 2 lines in the file
InMobi — accounts da6359f4c3c948468a24124f72fd34f4, b4d1a9e579f244a58c381b5c1acd3830: 137 lines in the file, 136 expected lines missing
Chartboost — account 5940fed8f6cd451476fe023e: 400 lines in the file, 305 expected lines missing
Vungle — account 561e8d966b8d90f61a0037c1: 254 lines in the file, 106 expected lines missing
ironSource / LevelPlay — account 114784: 65 lines in the file, 61 expected lines missing
PubMatic — accounts 158927, 160565: 2 lines in the file
OpenX — account 540634751: 1 line in the file
DT Exchange (Fyber) — account 211927: 222 lines in the file, 229 expected lines missing
Smaato — account 1100047402: 1 line in the file
Index Exchange — account 194845: 1 line in the file
TripleLift — accounts 8836, 8836-EB: 2 lines in the file
Meta Audience Network — accounts 343910162456695, 1134494716726706: 2 lines in the file
Magnite (Rubicon) — account 166535: 1 line in the file
AppLovin — account 70bd1130851fed2806285f359caef5d5: 36 lines in the file
TikTok Ad Network (Pangle) — accounts 9898, 45882: 2 lines in the file
Amazon Publisher Services — account 90fd6ea6-c9c9-4542-9bb9-bb9dfefd0762: 1 line in the file
Unity Ads — account 1018751: 65 lines in the file, 96 expected lines missing
Yandex Ads — accounts 106097527, 320192255: 145 lines in the file, 25 expected lines missing
Mintegral — account 19232: 400 lines in the file, 348 expected lines missing
BIGO Ads — account 23169285: 400 lines in the file, 333 expected lines missing
Bidmachine — account 1276: 400 lines in the file, 400 expected lines missing
Sovrn — accounts 411915, 563477: 2 lines in the file
Maticoo (zMaticoo) — account 5135063: 126 lines in the file, 319 expected lines missing
Yango Ads — accounts 320192255, 106097527: 400 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 100 lines in the file, 44 expected lines missing
Bidease — partner (reseller) lines only: 21 lines in the file, 28 expected lines missing
BlueSea — partner (reseller) lines only: 15 lines in the file, 22 expected lines missing
Display.io — partner (reseller) lines only: 9 lines in the file, 23 expected lines missing
DSP Exchange — partner (reseller) lines only: 302 lines in the file, 259 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Monetrix — partner (reseller) lines only: 28 lines in the file, 65 expected lines missing
Prado — partner (reseller) lines only: 8 lines in the file, 19 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: 46 lines in the file, 111 expected lines missing
Kidoz — partner (reseller) lines only: 5 lines in the file, 17 expected lines missing
CAS.ai — partner (reseller) lines only: 146 lines in the file, 19 expected lines missing
DSail — partner (reseller) lines only: 146 lines in the file, 19 expected lines missing

Invalid lines

engagemedia.tv, 1063 RESELLER, cb58d2185b16309a
Resellers as of October 17, 2023
fyber.com, INSERT PUBLISHER ID, DIRECT
e-planning.net,2f3a04630ba9ba3f,RESELLER,RESELLER,c1ba615865ed87b2

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

FAQ

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

Yes — https://cookapps.com/app-ads.txt has 3,743 lines (checked 20 Oct 2026).

Which ad networks does cookapps.com work with?

Its app-ads.txt lists Google AdMob, InMobi, Chartboost, Vungle, ironSource / LevelPlay, PubMatic, OpenX, DT Exchange (Fyber), Smaato, Index Exchange, TripleLift, Meta Audience Network and 26 more.

cookapps.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does cookapps.com work with?

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

Other checked domains

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