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.

nantongxiaobei.top app-ads.txt check

nantongxiaobei.top is missing out on higher CPMs: its app-ads.txt has 7 invalid lines and lists only 1,659 of the 6,947 lines its 16 ad networks expect (76% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 2,371 lines, 1,486 unique records, 784 duplicates, 7 invalid lines, 29 ad networks detected.

Ad networks in nantongxiaobei.top/app-ads.txt

Chartboost — account 5eb8c06db0656b09f145aeaf: 400 lines in the file, 336 expected lines missing
Google AdMob — accounts pub-4261668969289292, pub-2843405949989126: 2 lines in the file
DT Exchange (Fyber) — account 213009: 173 lines in the file, 278 expected lines missing
Meta Audience Network — accounts 2748149515421058, 705553133409910, 598220248179399 and 1 more: 4 lines in the file
PubMatic — account 160565: 1 line in the file
TikTok Ad Network (Pangle) — account 9898: 1 line in the file
Maticoo (zMaticoo) — accounts 10621350, 42686: 69 lines in the file, 377 expected lines missing
Magnite (Rubicon) — accounts 26442, 26440: 2 lines in the file
InMobi — account cb6a6239dfec478f818c1ffca00ca440: 75 lines in the file, 197 expected lines missing
OpenX — account 540861995: 1 line in the file
AppLovin — account a2ea8e9f9a53ccfc0a69dc502fa309e5: 31 lines in the file, 5 expected lines missing
Smaato — account 1100050451: 1 line in the file
BIGO Ads — account 9000347: 241 lines in the file, 400 expected lines missing
Bidmachine — accounts 769, 845, 200: 280 lines in the file, 400 expected lines missing
Yandex Ads — account 300684829: 54 lines in the file, 115 expected lines missing
Verve (PubNative) — account 1009972: 300 lines in the file, 400 expected lines missing
Mintegral — partner (reseller) lines only: 326 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 33 lines in the file, 127 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 29 lines in the file, 96 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 158 lines in the file, 232 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 101 lines in the file, 43 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Display.io — partner (reseller) lines only: 8 lines in the file, 24 expected lines missing
DSP Exchange — partner (reseller) lines only: 238 lines in the file, 323 expected lines missing
Madex — partner (reseller) lines only: 5 lines in the file, 13 expected lines missing
HyprMX — partner (reseller) lines only: 112 lines in the file, 257 expected lines missing
Start.io — partner (reseller) lines only: 27 lines in the file, 130 expected lines missing
CAS.ai — partner (reseller) lines only: 45 lines in the file, 120 expected lines missing
DSail — partner (reseller) lines only: 45 lines in the file, 120 expected lines missing

Invalid lines

Resellers as of Sept 7, 2021
triplelift.com, 11474 RESELLER, 6c33edb13117fd86
singularads, 895023, RESELLER
smaato.com, 1100004890, reseller 07bcf65f187117b4
conversantmedia.com, 41896, RESELLER 03113cd04947736d
singularads, 984415, RESELLER
singularads, 548745, RESELLER

Corrected file: nantongxiaobei.top app-ads.txt (fixed).

FAQ

Does nantongxiaobei.top have an app-ads.txt?

Yes — https://nantongxiaobei.top/app-ads.txt has 2,371 lines (checked 19 Oct 2026).

Which ad networks does nantongxiaobei.top work with?

Its app-ads.txt lists Chartboost, Google AdMob, DT Exchange (Fyber), Meta Audience Network, PubMatic, TikTok Ad Network (Pangle), Maticoo (zMaticoo), Magnite (Rubicon), InMobi, OpenX, AppLovin, Smaato and 17 more.

nantongxiaobei.top app-ads.txt check

Ad networks in nantongxiaobei.top/app-ads.txt

Invalid lines

FAQ

Does nantongxiaobei.top have an app-ads.txt?

Which ad networks does nantongxiaobei.top work with?

Is the app-ads.txt of nantongxiaobei.top correct?

Other checked domains

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