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.

geishatokyo.com app-ads.txt check

geishatokyo.com is missing out on higher CPMs: its app-ads.txt has 7 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 19 Oct 2026. 10,018 lines, 6,420 unique records, 3,161 duplicates, 7 invalid lines, 36 ad networks detected.

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

Google AdMob — accounts pub-7584678348706327, pub-3940256099942544, pub-7279990999620104: 3 lines in the file
Amazon Publisher Services — accounts 15886018, c9d3265a-1130-4dee-8de5-08e404c81486: 2 lines in the file
Mintegral — account 16563: 400 lines in the file
Magnite (Rubicon) — accounts 21528, 21530, 27420 and 4 more: 7 lines in the file
Maticoo (zMaticoo) — accounts 114490, 5135063: 298 lines in the file, 148 expected lines missing
Smaato — accounts 1100057546, 1100057628, 1100043697: 3 lines in the file
Chartboost — account 5637ed190d6025150692aced: 400 lines in the file, 162 expected lines missing
InMobi — accounts 55a9db4d23264dfeb1431977bf20bff7, ddb41d8a9f434a918d05a0fc9999d9f9: 265 lines in the file, 8 expected lines missing
DT Exchange (Fyber) — account 209739: 400 lines in the file
ironSource / LevelPlay — account 230223: 117 lines in the file, 9 expected lines missing
AppLovin — account 2843b7dbdbda07f51b09c012efea8128: 36 lines in the file
Unity Ads — account 1201718: 161 lines in the file
Liftoff Monetize (Vungle) — account 5bf2a069ad971c7c4dfb5970: 391 lines in the file
PubMatic — accounts 160565, 95054: 2 lines in the file
TikTok Ad Network (Pangle) — accounts 9898, 6414: 2 lines in the file
Bidmachine — accounts 432, 200: 400 lines in the file, 52 expected lines missing
Sovrn — accounts 411915, 563477, 583061: 3 lines in the file
OpenX — account 563905670: 1 line in the file
TripleLift — account 6998: 1 line in the file
BIGO Ads — accounts 1116519, xuwu73meuf: 400 lines in the file, 8 expected lines missing
Verve (PubNative) — account 1017481: 400 lines in the file, 386 expected lines missing
Yandex Ads — account 108926703: 154 lines in the file, 15 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 107 lines in the file, 37 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 38 lines in the file, 11 expected lines missing
BlueSea — partner (reseller) lines only: 23 lines in the file, 14 expected lines missing
Display.io — partner (reseller) lines only: 16 lines in the file, 16 expected lines missing
DSP Exchange — partner (reseller) lines only: 312 lines in the file, 249 expected lines missing
Madex — partner (reseller) lines only: 9 lines in the file, 9 expected lines missing
Monetrix — partner (reseller) lines only: 65 lines in the file, 28 expected lines missing
Prado — partner (reseller) lines only: 22 lines in the file, 5 expected lines missing
HyprMX — partner (reseller) lines only: 231 lines in the file, 138 expected lines missing
Start.io — partner (reseller) lines only: 124 lines in the file, 33 expected lines missing
Kidoz — partner (reseller) lines only: 18 lines in the file, 4 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

singularads, 548745, RESELLER
fyber.com,INSERT PUBLISHER ID,DIRECT
Remember to replace [yourironSourcePublisherAccountID] with your account ID, which you can get from your account manager.
rubiconproject.com, 15854, RESELLER 0bfd66d529a55807
ImproveDigital, 2343, RESELLER
vungle.com,[yourVunglePublisherAccountID],DIRECT,c107d686becd2d77
adsparc, 986, RESELLER

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

FAQ

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

Yes — https://geishatokyo.com/app-ads.txt has 10,018 lines (checked 19 Oct 2026).

Which ad networks does geishatokyo.com work with?

Its app-ads.txt lists Google AdMob, Amazon Publisher Services, Mintegral, Magnite (Rubicon), Maticoo (zMaticoo), Smaato, Chartboost, InMobi, DT Exchange (Fyber), ironSource / LevelPlay, AppLovin, Unity Ads and 24 more.

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