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.

seikami.com app-ads.txt check

seikami.com is missing out on higher CPMs: its app-ads.txt has 11 invalid lines and lists only 5,694 of the 8,815 lines its 29 ad networks expect (35% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 6,381 lines, 4,565 unique records, 1,744 duplicates, 11 invalid lines, 40 ad networks detected.

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

AppLovin — accounts 01494ef4ab4063adfe26473538821443, 3909cc7a912d2a8f02170574f803f468, 7899b9feebc27399625c7455347d8be9 and 4 more: 42 lines in the file
Xandr (Microsoft) — accounts 10605, 11819, 12715 and 5 more: 8 lines in the file
Amazon Publisher Services — accounts 5d8ed25e-57cc-441a-b62a-127b34faae4e, c4c9e4d8-52bd-4eb2-894c-b69fb855a639: 2 lines in the file
Bidmachine — accounts 200, 538-4: 400 lines in the file, 400 expected lines missing
BIGO Ads — accounts 10008, 10345417, 23170643 and 5 more: 400 lines in the file, 43 expected lines missing
BlueSea — account 203650: 18 lines in the file, 20 expected lines missing
Chartboost — accounts 60bee56fdcead40851351afc, 636c9a2c0c645306f1dd8a2f, 5c3ef1f05ffbaf0c9635d781: 400 lines in the file, 139 expected lines missing
Meta Audience Network — accounts 1051848004277601, 1292455908194779, 1329142911584895 and 16 more: 19 lines in the file
DT Exchange (Fyber) — accounts 212153, 220007, 209071: 301 lines in the file, 152 expected lines missing
Google AdMob — accounts pub-1835489473992347, pub-2173333572578431, pub-2843405949989126 and 14 more: 17 lines in the file
Index Exchange — accounts 192585, 194974: 2 lines in the file
InMobi — accounts 53bca9c0c47841f2ab925a46f9568a6b, 758e432765224cf2852ed7e0ff5b35e7, 8b8c3211c1c74dfba89ac59a605d73d2 and 4 more: 208 lines in the file, 70 expected lines missing
ironSource / LevelPlay — accounts 235859, 249233, 321830 and 1 more: 107 lines in the file, 22 expected lines missing
Sovrn — accounts 280159, 280159-eb, 411915: 3 lines in the file
Mintegral — accounts 17529, 21358, 32528 and 2 more: 400 lines in the file, 108 expected lines missing
OpenX — accounts 541045251, 541212786, 556412813 and 2 more: 5 lines in the file
TikTok Ad Network (Pangle) — accounts 10774, 5005718, 5020932 and 6 more: 9 lines in the file
PubMatic — accounts 159078, 160565, 160880 and 2 more: 5 lines in the file
Verve (PubNative) — accounts 1007963, 1008155: 400 lines in the file, 400 expected lines missing
Magnite (Rubicon) — accounts 16824, 20086, 23732 and 4 more: 7 lines in the file
Smaato — accounts 1100042823, 1100046391, 1100048524 and 6 more: 9 lines in the file
Start.io — account 162724177: 107 lines in the file, 51 expected lines missing
TripleLift — accounts 12193, 12193-EB, 14594: 3 lines in the file
Unity Ads — accounts 1450492, 145057920, 1906030 and 3 more: 153 lines in the file, 13 expected lines missing
Liftoff Monetize (Vungle) — accounts 5c35531fec1d752b819317b1, 5cfe20309f68a00018affa92, 63451e7f049244001b5ac519 and 2 more: 371 lines in the file, 24 expected lines missing
Yahoo — accounts 57872, 59363, 59405 and 2 more: 5 lines in the file
Yandex Ads — account 98152747: 133 lines in the file, 36 expected lines missing
Maticoo (zMaticoo) — accounts 113068, 114490, 125216: 400 lines in the file, 17 expected lines missing
Display.io — account 1715: 14 lines in the file, 19 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 124 lines in the file, 20 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 31 lines in the file, 18 expected lines missing
DSP Exchange — partner (reseller) lines only: 364 lines in the file, 197 expected lines missing
Madex — partner (reseller) lines only: 7 lines in the file, 11 expected lines missing
Monetrix — partner (reseller) lines only: 44 lines in the file, 49 expected lines missing
Prado — partner (reseller) lines only: 16 lines in the file, 11 expected lines missing
HyprMX — partner (reseller) lines only: 208 lines in the file, 161 expected lines missing
Kidoz — partner (reseller) lines only: 13 lines in the file, 9 expected lines missing
CAS.ai — partner (reseller) lines only: 125 lines in the file, 40 expected lines missing
DSail — partner (reseller) lines only: 125 lines in the file, 40 expected lines missing

Invalid lines

fyber.com, INSERT PUBLISHER ID, DIRECT
vungle.com, [yourVunglePublisherAccountID], DIRECT, c107d686becd2d77
singularads, 548745, RESELLER
verve.com, 15495, RESELLER, 0c8f5958fc2d6270æ°“æ ©ˆ©â šøšå˜žæ¾ã ¢â ¢ ™
mobupps, 23456, RESELLER
mobupps, 23456, RESELLER
Resellers as of June 16th, 2022
fyber.com, INSERT PUBLISHER ID, DIRECT
lemmatechnologies.com, 188, RESELLER, 7829010c5bebd1fb (In-app/mobile web)
rhy, 3463482822, RESELLER, a670c89d4a324e47
singularads, 548745, RESELLER

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

FAQ

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

Yes — https://seikami.com/app-ads.txt has 6,381 lines (checked 20 Oct 2026).

Which ad networks does seikami.com work with?

Its app-ads.txt lists AppLovin, Xandr (Microsoft), Amazon Publisher Services, Bidmachine, BIGO Ads, BlueSea, Chartboost, Meta Audience Network, DT Exchange (Fyber), Google AdMob, Index Exchange, InMobi and 28 more.

seikami.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does seikami.com work with?

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

Other checked domains

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