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.

combineinc.com app-ads.txt check

combineinc.com is missing out on higher CPMs: its app-ads.txt has 4 invalid lines and lists only 7,060 of the 11,205 lines its 23 ad networks expect (37% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 5,310 lines, 3,367 unique records, 1,542 duplicates, 4 invalid lines, 36 ad networks detected.

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

Google AdMob — accounts pub-6174973042641974, pub-1914768831611213, pub-8104698804312941 and 2 more: 5 lines in the file
Meta Audience Network — account 1231711636951859: 1 line in the file
ironSource / LevelPlay — account 199829: 92 lines in the file, 34 expected lines missing
Unity Ads — account 1014192: 138 lines in the file, 23 expected lines missing
Chartboost — account 5ad80d2035b91e0c7a5b4c6d: 400 lines in the file, 1 expected line missing
AppLovin — account 91a2e64d9b730850eed8bf2025faedd0: 35 lines in the file, 1 expected line missing
OpenX — accounts 542523648, 540861995: 2 lines in the file
Smaato — accounts 1100043923, 1100057628, 1100057546: 3 lines in the file
DT Exchange (Fyber) — account 216889: 358 lines in the file, 93 expected lines missing
Amazon Publisher Services — account cd351993-923a-4eee-ac72-c18914d1db19: 1 line in the file
Yandex Ads — account 97212042: 126 lines in the file, 43 expected lines missing
Magnite (Rubicon) — accounts 26442, 26440, 28001: 3 lines in the file
Bidmachine — accounts 200, 580: 400 lines in the file, 400 expected lines missing
Yango Ads — account 97212042: 400 lines in the file, 400 expected lines missing
Mintegral — account 18438: 400 lines in the file
Vungle — account 573c1e4c69d550c903000024: 340 lines in the file, 20 expected lines missing
InMobi — accounts cb6a6239dfec478f818c1ffca00ca440, 1067b61531a642b99c39ce5092c4325f: 206 lines in the file, 67 expected lines missing
PubMatic — accounts 161732, 161629: 2 lines in the file
Verve (PubNative) — account 1009329: 400 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — account 114490: 168 lines in the file, 277 expected lines missing
MobileFuse — account 4639: 1 line in the file
Xandr (Microsoft) — account 14416: 1 line in the file
BIGO Ads — account 1116431: 400 lines in the file, 147 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 102 lines in the file, 42 expected lines missing
Bidease — partner (reseller) lines only: 28 lines in the file, 21 expected lines missing
BlueSea — partner (reseller) lines only: 14 lines in the file, 23 expected lines missing
Display.io — partner (reseller) lines only: 12 lines in the file, 20 expected lines missing
DSP Exchange — partner (reseller) lines only: 254 lines in the file, 307 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Monetrix — partner (reseller) lines only: 33 lines in the file, 60 expected lines missing
Prado — partner (reseller) lines only: 16 lines in the file, 11 expected lines missing
HyprMX — partner (reseller) lines only: 187 lines in the file, 182 expected lines missing
Start.io — partner (reseller) lines only: 102 lines in the file, 55 expected lines missing
Kidoz — partner (reseller) lines only: 13 lines in the file, 9 expected lines missing
CAS.ai — partner (reseller) lines only: 116 lines in the file, 49 expected lines missing
DSail — partner (reseller) lines only: 116 lines in the file, 49 expected lines missing

Invalid lines

appnexus.com, 4052, RESELLERbidmachine.io, 36, RESELLER
appnexus.com, 4052, RESELLERbidmachine.io, 36, RESELLER
smaato.com,to be added after mapping,DIRECT,07bcf65f187117b4
singularads, 548745, RESELLER

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

FAQ

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

Yes — https://combineinc.com/app-ads.txt has 5,310 lines (checked 20 Oct 2026).

Which ad networks does combineinc.com work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, ironSource / LevelPlay, Unity Ads, Chartboost, AppLovin, OpenX, Smaato, DT Exchange (Fyber), Amazon Publisher Services, Yandex Ads, Magnite (Rubicon) and 24 more.

combineinc.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does combineinc.com work with?

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

Other checked domains

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