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.

playspare.com app-ads.txt check

playspare.com is missing out on higher CPMs: its app-ads.txt has 20 invalid lines and lists only 4,365 of the 5,857 lines its 29 ad networks expect (25% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 21 Oct 2026. 13,449 lines, 6,875 unique records, 6,328 duplicates, 20 invalid lines, 41 ad networks detected.

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

Google AdMob — accounts pub-9917171224118880, pub-7722292484095509, pub-9155276802217802 and 4 more: 7 lines in the file
AppLovin — account 3e623ac7aa557ed568debec88e4b71e1: 34 lines in the file, 2 expected lines missing
Unity Ads — account 2138665: 158 lines in the file, 3 expected lines missing
Meta Audience Network — accounts 367376092140986, 461227356872300: 2 lines in the file
DT Exchange (Fyber) — account 212682: 400 lines in the file
Bidmachine — accounts 341, 341-1, 341-2 and 2 more: 400 lines in the file, 325 expected lines missing
Sovrn — accounts 411915, 563477, 595809 and 2 more: 5 lines in the file
Maticoo (zMaticoo) — account 5135063: 281 lines in the file, 164 expected lines missing
Magnite (Rubicon) — accounts 166535, 27372, 24774 and 12 more: 15 lines in the file
ironSource / LevelPlay — accounts 175383, 303177: 111 lines in the file, 16 expected lines missing
OpenX — accounts 540861995, 559912325: 2 lines in the file
Liftoff Monetize (Vungle) — account 5f6830b5352f2900152f8a5a: 390 lines in the file, 1 expected line missing
PubMatic — accounts 160565, 162223, 162319 and 4 more: 7 lines in the file
TikTok Ad Network (Pangle) — accounts 9898, 22615: 2 lines in the file
InMobi — accounts dbb5d8f1b59d4bb8a75f5065a3a4ae40, f3452c8404fb4a47b52e43bb502aed00, cc795a15b39a4603b8a7a16f91bafd59 and 3 more: 219 lines in the file, 58 expected lines missing
Mintegral — account 22774: 400 lines in the file, 56 expected lines missing
Amazon Publisher Services — accounts 8ad2aae8-3f86-43e5-ba8d-47d42f48959d, 42df5c79-9a6a-4118-b46f-dd311cf16fb8, 95cfe73f-4804-4f94-b2e6-467e2a14e787: 3 lines in the file
Yandex Ads — account 301303181: 169 lines in the file
Yango Ads — account 301303181: 400 lines in the file, 400 expected lines missing
Criteo — accounts B-066465, b-072394, b-060738: 3 lines in the file
Smaato — accounts 1100048585, 1100054974, 1100055690 and 3 more: 6 lines in the file
TripleLift — account 13041: 1 line in the file
Ogury — accounts 5bbe7af9-d51f-499e-a804-db54798d96f4, 01be7f00-a180-4b68-a029-2d6d19479ea5: 12 lines in the file, 7 expected lines missing
Start.io — accounts 163241862, 157659870: 122 lines in the file, 37 expected lines missing
Xandr (Microsoft) — accounts 9726, 12252, 8233 and 3 more: 6 lines in the file
Verve (PubNative) — account 1016935: 400 lines in the file, 400 expected lines missing
MobileFuse — account 4574: 1 line in the file
BIGO Ads — accounts 196, 23167015: 400 lines in the file, 81 expected lines missing
Chartboost — account 67044365a412a8b6c1fc4e75: 400 lines in the file, 36 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 108 lines in the file, 36 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: 17 lines in the file, 15 expected lines missing
DSP Exchange — partner (reseller) lines only: 389 lines in the file, 172 expected lines missing
Madex — partner (reseller) lines only: 10 lines in the file, 8 expected lines missing
Monetrix — partner (reseller) lines only: 65 lines in the file, 28 expected lines missing
Prado — partner (reseller) lines only: 21 lines in the file, 6 expected lines missing
HyprMX — partner (reseller) lines only: 249 lines in the file, 120 expected lines missing
Kidoz — partner (reseller) lines only: 17 lines in the file, 5 expected lines missing
CAS.ai — partner (reseller) lines only: 157 lines in the file, 8 expected lines missing
DSail — partner (reseller) lines only: 157 lines in the file, 8 expected lines missing

Invalid lines

sharethrough.com, NNB0Zl76, RESELLER, d53b998a7bd4ecd2lijit.com, 516975, RESELLER, fafdf38b16bf6b2b
appnexus.com,15426,RESELLER,f5ab79cb980f11d1zmaticoo.com,5135655,RESELLER
Resellers as of January 23, 2025
fyber.com,INSERT PUBLISHER ID,DIRECT
conversantmedia.com, 100688, RESELLER, 03113cd04947736dpubmatic.com, 158100, RESELLER, 5d62403b186f2ace
openx.com, 559792583, RESELLER, 6a698e2ec38604c6 t
--------------------------------https://publisher.inmobi.com/my-account/app-adstxt
pangleglobal.com, Account ID, DIRECT
whitemediasolutions, 1920, direct
--------------------------------
singularads, 225023, RESELLER
rubiconprojectcom, 25872, reseller, 0bfd66d529a55807
singularads, 556985, direct
smaato.com, 1100004890, reseller 07bcf65f187117b4
conversantmedia.com, 41896, RESELLER 03113cd04947736d

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

FAQ

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

Yes — https://playspare.com/app-ads.txt has 13,449 lines (checked 21 Oct 2026).

Which ad networks does playspare.com work with?

Its app-ads.txt lists Google AdMob, AppLovin, Unity Ads, Meta Audience Network, DT Exchange (Fyber), Bidmachine, Sovrn, Maticoo (zMaticoo), Magnite (Rubicon), ironSource / LevelPlay, OpenX, Liftoff Monetize (Vungle) and 29 more.

playspare.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does playspare.com work with?

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

Other checked domains

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