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.

learnings.ai app-ads.txt check

learnings.ai is missing out on higher CPMs: its app-ads.txt has 42 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 18,328 lines, 9,658 unique records, 7,983 duplicates, 42 invalid lines, 44 ad networks detected.

Ad networks in learnings.ai/app-ads.txt

InMobi — accounts cb6a6239dfec478f818c1ffca00ca440, 30d371f6fd07483183d75d4474c2508f, 00e2fb8ae3cb41e0ae661829fb61a94c and 9 more: 228 lines in the file, 55 expected lines missing
Smaato — accounts 1100053860, 1100057628, 1100057546 and 22 more: 25 lines in the file
PubMatic — accounts 166375, 161676, 158460 and 18 more: 21 lines in the file
Amazon Publisher Services — accounts f1a4a772-d013-4102-a51d-840cc16fd176, b430ffe3-7911-4362-8dd5-6c5e552bef38, 16546746 and 10 more: 13 lines in the file
Mintegral — accounts 10043-007, 20251, 41728 and 2 more: 400 lines in the file, 39 expected lines missing
MobileFuse — account 4389: 1 line in the file
Xandr (Microsoft) — accounts 9623, 13356, 13817 and 9 more: 12 lines in the file
Index Exchange — accounts 200570, 186081, 194790 and 9 more: 12 lines in the file
OpenX — accounts 561727736, 544056427, 544056384 and 7 more: 10 lines in the file
Meta Audience Network — accounts 1860801414139193, 228836827551893, 676056971496971: 3 lines in the file
Magnite (Rubicon) — accounts 21056, 23844, 13702 and 16 more: 19 lines in the file
Maticoo (zMaticoo) — accounts 114490, 114122, 102828 and 3 more: 400 lines in the file, 25 expected lines missing
Google AdMob — accounts pub-3282450893215088, pub-8428973207370809, pub-1835489473992347 and 36 more: 39 lines in the file
Ogury — accounts 5a93b205-d86c-4e96-a62e-01f593889ed0, 2a2c12f5-d9d2-434b-8b48-ad3554019c03, 5bbe7af9-d51f-499e-a804-db54798d96f4: 13 lines in the file, 7 expected lines missing
TikTok Ad Network (Pangle) — accounts 5015049, 17774, 52328: 3 lines in the file
Criteo — accounts B-058720, B-060253, B-056930 and 5 more: 8 lines in the file
Yandex Ads — accounts 76256739, 106737652, 106725546 and 3 more: 163 lines in the file, 11 expected lines missing
Verve (PubNative) — accounts 1009139, 1009142, 1009419 and 11 more: 400 lines in the file, 43 expected lines missing
Sovrn — accounts 395866-eb, 280159-eb, 244287 and 15 more: 18 lines in the file
Start.io — accounts 127088036, 164512585, 196939997 and 1 more: 128 lines in the file, 33 expected lines missing
Unity Ads — accounts 1055568, 5020024, 2214291 and 1 more: 140 lines in the file, 24 expected lines missing
TripleLift — accounts 9789, 10925, 10925-EB and 8 more: 11 lines in the file
Yahoo — accounts 59564, 57872, 60050: 3 lines in the file
BIGO Ads — accounts 136, 21220568, 1114228 and 2 more: 400 lines in the file
Display.io — accounts 2091, 2520: 25 lines in the file, 9 expected lines missing
ironSource / LevelPlay — accounts 225365, 335022: 114 lines in the file, 13 expected lines missing
DT Exchange (Fyber) — accounts 210587, 221019, 218367 and 1 more: 400 lines in the file, 14 expected lines missing
Liftoff Monetize (Vungle) — accounts 5b975fcedc73276356309362, 684fd27ac0642e00113b020e, 60c71d9d6b22ac0017d0bca4: 365 lines in the file, 28 expected lines missing
Chartboost — accounts 5b9b604be7b33373ced7a308, 620e1b4b38859507f14af54f: 400 lines in the file, 2 expected lines missing
AppLovin — accounts c08d77207172476a435af0d6133a66e1, 604dcd9ba1d6bf0d620372f6fb610772, 95f4014f514a5fc5e906a81372b2dee6 and 3 more: 41 lines in the file
VK Ads (myTarget) — accounts 11176890, 19195507, 21220568: 176 lines in the file, 1 expected line missing
Bidmachine — accounts 200, 1021, 136: 400 lines in the file, 29 expected lines missing
Yango Ads — account 106737652: 400 lines in the file, 400 expected lines missing
SuperAwesome — account 177: 5 lines in the file, 1 expected line missing
Kidoz — account 14639: 18 lines in the file, 5 expected lines missing
Bidease — partner (reseller) lines only: 40 lines in the file, 9 expected lines missing
BlueSea — partner (reseller) lines only: 24 lines in the file, 13 expected lines missing
DSP Exchange — partner (reseller) lines only: 400 lines in the file, 144 expected lines missing
Madex — partner (reseller) lines only: 11 lines in the file, 7 expected lines missing
Monetrix — partner (reseller) lines only: 65 lines in the file, 28 expected lines missing
Prado — partner (reseller) lines only: 21 lines in the file, 6 expected lines missing
HyprMX — partner (reseller) lines only: 302 lines in the file, 67 expected lines missing
CAS.ai — partner (reseller) lines only: 150 lines in the file, 15 expected lines missing
DSail — partner (reseller) lines only: 150 lines in the file, 15 expected lines missing

Invalid lines

inmobi.com,DIRECT,83e75a7ae333ca9d
smaato.com,0000000,DIRECT,07bcf65f187117b4
eliteAppgrade, 514554, RESELLER
admanmedia.com, XXX, RESELLER
ironsrc.com, [yourironSourcePublisherAccountID], Direct
rubiconproject.com, 15854, RESELLER 0bfd66d529a55807
singularads, 548745, RESELLER
smartyads.com, 897, fd2bde0ff2e62c5d, RESELLER
conversantmedia.com, 41896, RESELLER 03113cd04947736d
smartadserver.com, <4199>-OB, RESELLER, 060d053dcf45cbf3
smartadserver.com, <4199>, RESELLER, 060d053dcf45cbf3
inmobi.com,DIRECT,83e75a7ae333ca9d
smartyads.com, 897, fd2bde0ff2e62c5d, RESELLER
33across.com, 0015a00003DKg9ZAAT, RESELLER bbea06d9c4d2853c
triplelift.com, 6987-EB, DIRECT, 6c33edb13117fd86 | triplelift.com, 6987, DIRECT, 6c33edb13117fd86

Corrected file: learnings.ai app-ads.txt (fixed).

FAQ

Does learnings.ai have an app-ads.txt?

Yes — https://learnings.ai/app-ads.txt has 18,328 lines (checked 20 Oct 2026).

Which ad networks does learnings.ai work with?

Its app-ads.txt lists InMobi, Smaato, PubMatic, Amazon Publisher Services, Mintegral, MobileFuse, Xandr (Microsoft), Index Exchange, OpenX, Meta Audience Network, Magnite (Rubicon), Maticoo (zMaticoo) and 32 more.

Is the app-ads.txt of learnings.ai correct?