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.

pixelfederation.com app-ads.txt check

pixelfederation.com is missing out on higher CPMs: its app-ads.txt has 4 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 4,945 lines, 4,693 unique records, 227 duplicates, 4 invalid lines, 37 ad networks detected.

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

Google AdMob — accounts pub-2233829666677759, pub-2085247160344713, pub-5917327808416348 and 1 more: 4 lines in the file
Amazon Publisher Services — accounts d4004b5f-4fb6-4be2-82ae-0e36b8f52c12, 3893, ce85af06-a81d-4ad0-a997-c724c7c3b973 and 1 more: 4 lines in the file
InMobi — accounts 8553511ff9e24ce2b1f5d98addcc3340, 64390d9c0d0541bc9b06ab42a124b396: 174 lines in the file, 99 expected lines missing
PubMatic — accounts 163009, 161652, 164418 and 5 more: 8 lines in the file
Sovrn — accounts 555137, 555140, 555137-eb and 1 more: 4 lines in the file
Xandr (Microsoft) — accounts 15799, 16912: 2 lines in the file
TripleLift — accounts 13982, 13982-EB, 9636: 3 lines in the file
OpenX — accounts 562857054, 562857053, 566756867: 3 lines in the file
Magnite (Rubicon) — account 17280: 1 line in the file
Index Exchange — account 213773: 1 line in the file
AppLovin — account 028a1bed1cf15948794d559584a0ee4e: 36 lines in the file
Bidmachine — account 816: 400 lines in the file, 73 expected lines missing
Chartboost — account 54b52d6743150f5705b28c61: 400 lines in the file, 1 expected line missing
Mintegral — accounts 44977, 19509: 400 lines in the file
DT Exchange (Fyber) — account 215285: 400 lines in the file
Meta Audience Network — account 10152407698826452: 1 line in the file
ironSource / LevelPlay — account 133745: 125 lines in the file, 1 expected line missing
TikTok Ad Network (Pangle) — account 9898: 1 line in the file
Unity Ads — account 1186430: 161 lines in the file
Liftoff Monetize (Vungle) — account 5819f59c563213f87a000123: 391 lines in the file
Yandex Ads — partner (reseller) lines only: 137 lines in the file, 31 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 79 lines in the file, 65 expected lines missing
BIGO Ads — partner (reseller) lines only: 400 lines in the file, 291 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 37 lines in the file, 12 expected lines missing
BlueSea — partner (reseller) lines only: 22 lines in the file, 15 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 324 lines in the file, 237 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 264 lines in the file, 180 expected lines missing
Monetrix — partner (reseller) lines only: 59 lines in the file, 34 expected lines missing
Prado — partner (reseller) lines only: 19 lines in the file, 8 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 203 lines in the file, 166 expected lines missing
Start.io — partner (reseller) lines only: 89 lines in the file, 68 expected lines missing
Kidoz — partner (reseller) lines only: 15 lines in the file, 7 expected lines missing
CAS.ai — partner (reseller) lines only: 129 lines in the file, 36 expected lines missing
DSail — partner (reseller) lines only: 129 lines in the file, 36 expected lines missing

Invalid lines

Media.net, 8CU42SA73, DIRECT // Web
Media.net, 8CU4FR18I, DIRECT // APP
omgstudios, 160620251, DIRECT
nextmillennium.io,16399,65bd090fa4a1e3d6,DIRECT

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

FAQ

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

Yes — https://pixelfederation.com/app-ads.txt has 4,945 lines (checked 20 Oct 2026).

Which ad networks does pixelfederation.com work with?

Its app-ads.txt lists Google AdMob, Amazon Publisher Services, InMobi, PubMatic, Sovrn, Xandr (Microsoft), TripleLift, OpenX, Magnite (Rubicon), Index Exchange, AppLovin, Bidmachine and 25 more.

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