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.

cedar.games app-ads.txt check

cedar.games is missing out on higher CPMs: its app-ads.txt has 8 invalid lines and lists only 6,640 of the 8,334 lines its 32 ad networks expect (20% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 21 Oct 2026. 15,046 lines, 7,351 unique records, 7,464 duplicates, 8 invalid lines, 43 ad networks detected.

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

Google AdMob — accounts pub-6452622787801211, pub-3940256099942544, pub-8236392776689719 and 3 more: 6 lines in the file
Meta Audience Network — accounts 738646457334065, 1066122847592119, 476227632732410 and 1 more: 4 lines in the file
AppLovin — accounts 6d63178d79c5e06d508085b463107507, b22b6b7e1c5656662ff5b510e6f790b4: 37 lines in the file
ironSource / LevelPlay — accounts 218313, 317266: 113 lines in the file, 14 expected lines missing
Unity Ads — accounts 1541554, 1466396: 135 lines in the file, 27 expected lines missing
Vungle — account 5fb510aa8072bf0015d8d59d: 360 lines in the file
PubMatic — accounts 160565, 166152, 95054 and 13 more: 16 lines in the file
TikTok Ad Network (Pangle) — accounts 9898, 67962, 23855: 3 lines in the file
Mintegral — account 24690: 400 lines in the file, 52 expected lines missing
InMobi — accounts 9590892ce3a14d8c923c062c518fe04f, ddb41d8a9f434a918d05a0fc9999d9f9, 18eb7cf877c0416f997665697dceb723 and 2 more: 211 lines in the file, 65 expected lines missing
DT Exchange (Fyber) — account 214518: 400 lines in the file, 50 expected lines missing
Smaato — accounts 1100049012, 1100057546, 1100057628 and 13 more: 16 lines in the file
Amazon Publisher Services — accounts 8cf26626-246f-4c54-ad2d-a208d1f491b1, 5d8ed25e-57cc-441a-b62a-127b34faae4e, 70247b00-ff8f-4016-b3ab-8344daf96e09: 3 lines in the file
MobileFuse — accounts 4561, 4626: 2 lines in the file
Sovrn — accounts 567202, 411915, 563477 and 7 more: 10 lines in the file
Maticoo (zMaticoo) — accounts 114490, 5135063, 115617 and 1 more: 269 lines in the file, 179 expected lines missing
Magnite (Rubicon) — accounts 11106, 13510, 19652 and 10 more: 13 lines in the file
TripleLift — accounts 8446, 8784-EB, 8784 and 8 more: 11 lines in the file
Display.io — accounts 2520, 173162: 24 lines in the file, 10 expected lines missing
Bidmachine — accounts 1189, 322: 400 lines in the file, 400 expected lines missing
OpenX — accounts 563905670, 540134228, 540225743 and 3 more: 6 lines in the file
Ogury — accounts 5bbe7af9-d51f-499e-a804-db54798d96f4, 617c5f02-17ff-4106-a0b6-d16226f89495: 12 lines in the file, 7 expected lines missing
Criteo — accounts B-066465, B-059025, B-060738 and 3 more: 6 lines in the file
Xandr (Microsoft) — accounts 14808, 15799, 16912 and 5 more: 8 lines in the file
Index Exchange — accounts 183921, 188416, 193067 and 1 more: 4 lines in the file
Yahoo — accounts 55305, 58855, 59435 and 1 more: 4 lines in the file
VK Ads (myTarget) — account 4296618: 141 lines in the file, 34 expected lines missing
Verve (PubNative) — account 1009360: 400 lines in the file, 40 expected lines missing
Start.io — account 113967750: 131 lines in the file, 27 expected lines missing
BIGO Ads — account 1116276: 400 lines in the file, 117 expected lines missing
BlueSea — accounts 7138144, 7138153: 29 lines in the file, 10 expected lines missing
DSail — account freeplay: 149 lines in the file, 17 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 92 expected lines missing
Yandex Ads — partner (reseller) lines only: 150 lines in the file, 18 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 48 lines in the file, 1 expected line missing
DSP Exchange — partner (reseller) lines only: 400 lines in the file, 157 expected lines missing
Madex — partner (reseller) lines only: 9 lines in the file, 9 expected lines missing
Monetrix — partner (reseller) lines only: 53 lines in the file, 40 expected lines missing
Prado — partner (reseller) lines only: 20 lines in the file, 7 expected lines missing
HyprMX — partner (reseller) lines only: 280 lines in the file, 89 expected lines missing
Kidoz — partner (reseller) lines only: 17 lines in the file, 5 expected lines missing
CAS.ai — partner (reseller) lines only: 148 lines in the file, 17 expected lines missing

Invalid lines

freewheel.tv, sg1258340,
singularads, 548745, RESELLER
singularads, 225023, RESELLER
rubiconprojectcom, 25872, reseller, 0bfd66d529a55807
singularads, 556985, direct
app-stock.com, 509221, Reseller, ed8c126ea5971415 (optional)
Media.net, 8CU65V935, RESELLERxandr.com, 11316, RESELLER
admanmedia, 35, RESELLER

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

FAQ

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

Yes — https://cedar.games/app-ads.txt has 15,046 lines (checked 21 Oct 2026).

Which ad networks does cedar.games work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, AppLovin, ironSource / LevelPlay, Unity Ads, Vungle, PubMatic, TikTok Ad Network (Pangle), Mintegral, InMobi, DT Exchange (Fyber), Smaato and 31 more.

cedar.games app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does cedar.games work with?

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

Other checked domains

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