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.

say.games app-ads.txt check

say.games is missing out on higher CPMs: its app-ads.txt has 14 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 13,264 lines, 9,917 unique records, 3,333 duplicates, 14 invalid lines, 43 ad networks detected.

Ad networks in say.games/app-ads.txt

Ogury — accounts 9cadea45-d74e-4581-9065-cd992c2d8ac1, 084b684c-37d8-49d4-9e4b-690b64700bcb: 18 lines in the file, 1 expected line missing
PubMatic — accounts 165604, 156538, 156736 and 18 more: 21 lines in the file
AppLovin — accounts 37683055021d107e492ac62f1a1c1ad5, f25d4970f9e8b4a0b9429a2a57aa7f62: 37 lines in the file
Xandr (Microsoft) — accounts 12061, 123, 12501 and 15 more: 18 lines in the file
Amazon Publisher Services — accounts 14327327, 290c5a79-50d8-4870-985d-da37d613256a, 303685fa-fad8-4b02-b1d5-cc653187bc3b and 5 more: 8 lines in the file
Bidease — account jb6zEG4T9j3k: 46 lines in the file, 4 expected lines missing
Bidmachine — account 288: 400 lines in the file, 4 expected lines missing
BIGO Ads — accounts 1115494, qkkudv7yk6: 400 lines in the file, 3 expected lines missing
BlueSea — account 204037: 25 lines in the file, 13 expected lines missing
CAS.ai — account b5a73ae1: 144 lines in the file, 21 expected lines missing
Chartboost — account 5fc90de464bda0080ace6b1b: 400 lines in the file, 1 expected line missing
Criteo — accounts 155036, 174835, 180031 and 11 more: 14 lines in the file
Display.io — account 173162: 18 lines in the file, 15 expected lines missing
Meta Audience Network — account 492388141693433: 1 line in the file
DT Exchange (Fyber) — accounts 209786, 213623: 400 lines in the file, 1 expected line missing
Google AdMob — accounts pub-1520960305814054, pub-1803440907870402, pub-4236520483129668 and 7 more: 10 lines in the file
HyprMX — account 25917530906: 367 lines in the file, 3 expected lines missing
Index Exchange — accounts 183921, 188416, 192104 and 2 more: 5 lines in the file
InMobi — accounts 18eb7cf877c0416f997665697dceb723, 5992f92bb5a64988b29dbc9fb15b8fc8, 59c7922793a3477b9419f0854d1da7e9 and 8 more: 277 lines in the file, 5 expected lines missing
ironSource / LevelPlay — accounts 225701, 318782: 109 lines in the file, 18 expected lines missing
Sovrn — accounts 224984, 237754, 237754-eb and 15 more: 18 lines in the file
Mintegral — accounts 12797, 21498, 21922 and 11 more: 400 lines in the file
MobileFuse — account 4373: 1 line in the file
Monetrix — account 163: 73 lines in the file, 21 expected lines missing
OpenX — accounts 540134228, 540225743, 540310752 and 8 more: 11 lines in the file
TikTok Ad Network (Pangle) — accounts 58028, 9898: 2 lines in the file
Verve (PubNative) — accounts 1003601, 1008572, 1009296 and 3 more: 400 lines in the file, 62 expected lines missing
Magnite (Rubicon) — accounts 11106, 11784, 13510 and 8 more: 11 lines in the file
Smaato — accounts 1100046656, 1100048585, 1100049696 and 11 more: 14 lines in the file
Start.io — accounts 117514417, 123111883, 179510621: 136 lines in the file, 24 expected lines missing
TripleLift — accounts 10252, 10252-EB, 10389 and 10 more: 13 lines in the file
Unity Ads — accounts 1329201, 2842240, 1048191: 163 lines in the file
Liftoff Monetize (Vungle) — account 5fc671cbba624b0015a61bf1: 391 lines in the file
Yahoo — accounts 55305, 58701, 58855 and 3 more: 6 lines in the file
Yandex Ads — account 93119091: 151 lines in the file, 18 expected lines missing
Maticoo (zMaticoo) — accounts 114386, 114490, 115617 and 4 more: 400 lines in the file, 19 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 114 lines in the file, 30 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 400 lines in the file, 155 expected lines missing
Madex — partner (reseller) lines only: 10 lines in the file, 8 expected lines missing
Prado — partner (reseller) lines only: 20 lines in the file, 7 expected lines missing
Kidoz — partner (reseller) lines only: 16 lines in the file, 6 expected lines missing
DSail — partner (reseller) lines only: 144 lines in the file, 21 expected lines missing

Invalid lines

adsparc, 986, RESELLER
adsparc,986,RESELLER
keenkale, 20242025, RESELLER
lemmatechnologies, 1844, RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b freewheel.tv, 535659-r-524565, RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b video.unrulymedia.com, 829160295, RESELLER
pubmatic,163963,RESELLER,5d62403b186f2ace
pubmatic.com, 156520, RESELLER, 5d62403b186f2ace (key account for SEA)
singularads, 445896, DIRECT
singularads, 445896, RESELLER
singularads, 548745, RESELLER
singularads,895023,RESELLER
smaato.com,---,DIRECT,07bcf65f187117b4
themediagrid.com,8ZRKBE,RESELLER,9fac4a4a87c2a44f,35d5010d7789b49d

Corrected file: say.games app-ads.txt (fixed).

FAQ

Does say.games have an app-ads.txt?

Yes — https://say.games/app-ads.txt has 13,264 lines (checked 19 Oct 2026).

Which ad networks does say.games work with?

Its app-ads.txt lists Ogury, PubMatic, AppLovin, Xandr (Microsoft), Amazon Publisher Services, Bidease, Bidmachine, BIGO Ads, BlueSea, CAS.ai, Chartboost, Criteo and 31 more.

Is the app-ads.txt of say.games correct?