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.

handcent.com app-ads.txt check

handcent.com is missing out on higher CPMs: its app-ads.txt has 20 invalid lines and lists only 2,389 of the 4,359 lines its 17 ad networks expect (45% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 5,386 lines, 3,891 unique records, 975 duplicates, 20 invalid lines, 39 ad networks detected.

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

Smaato — accounts 1100035684, 1100054491, 1100046710 and 4 more: 7 lines in the file
Display.io — accounts 1898, 2508, 2522: 28 lines in the file, 7 expected lines missing
Verve (PubNative) — accounts 1007138, 1008124, 1009313: 400 lines in the file, 114 expected lines missing
Xandr (Microsoft) — accounts 12355, 9914, 9538 and 6 more: 9 lines in the file
TripleLift — accounts 9562, 9789, 13012 and 2 more: 5 lines in the file
MobileFuse — account 3342: 1 line in the file
Amazon Publisher Services — accounts 9393622, 13cadf9e-4a38-4dbf-8e4a-64601d2ac7c3: 2 lines in the file
Index Exchange — accounts 194537, 191011, 190243: 3 lines in the file
PubMatic — accounts 162402, 164601, 161559 and 3 more: 6 lines in the file
Magnite (Rubicon) — accounts 24960, 24908, 24914 and 10 more: 13 lines in the file
InMobi — accounts 61f2663644fa458083b6b213b6f59273, e571e03c05664d25becfd1174c7e0dbd, 9560caf77e0f4e14a9cd83cd9561de29 and 1 more: 119 lines in the file, 156 expected lines missing
Sovrn — accounts 547982, 357833, 357833-eb and 1 more: 4 lines in the file
Criteo — accounts B-063105, B-059025: 2 lines in the file
OpenX — accounts 558237126, 563905670: 2 lines in the file
Google AdMob — accounts pub-8622186303703569, pub-5903975412847588, pub-7279990999620104: 3 lines in the file
Bidmachine — account 721: 400 lines in the file, 400 expected lines missing
Meta Audience Network — account 2105242046998915: 1 line in the file
AppLovin — partner (reseller) lines only: 18 lines in the file, 17 expected lines missing
Mintegral — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 72 lines in the file, 88 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 64 lines in the file, 61 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 235 lines in the file, 155 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 314 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 266 lines in the file, 184 expected lines missing
Yandex Ads — partner (reseller) lines only: 109 lines in the file, 59 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 72 lines in the file, 72 expected lines missing
BIGO Ads — partner (reseller) lines only: 365 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 35 lines in the file, 14 expected lines missing
BlueSea — partner (reseller) lines only: 17 lines in the file, 20 expected lines missing
DSP Exchange — partner (reseller) lines only: 213 lines in the file, 348 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 176 lines in the file, 268 expected lines missing
Monetrix — partner (reseller) lines only: 35 lines in the file, 58 expected lines missing
Prado — partner (reseller) lines only: 9 lines in the file, 18 expected lines missing
HyprMX — partner (reseller) lines only: 224 lines in the file, 145 expected lines missing
Start.io — partner (reseller) lines only: 65 lines in the file, 92 expected lines missing
Kidoz — partner (reseller) lines only: 6 lines in the file, 16 expected lines missing
CAS.ai — partner (reseller) lines only: 108 lines in the file, 57 expected lines missing
DSail — partner (reseller) lines only: 108 lines in the file, 57 expected lines missing

Invalid lines

сontextweb.com, 563281, RESELLER, 89ff185a4c4e857c
anzu, 6926f89af6ae04ecf7a64747, RESELLER
mobupps, 12878 , DIRECT
Beapup, 658874, RESELLER
keenkale, 94044, RESELLER, 6c1c00b269ccdfa4
Appnexus,3153,RESELLER
oveeo.com, 914478367, RESELLERthemediagrid.com, 9FRCA5, RESELLER, 35d5010d7789b49d
admixer net, db6eb203-5f6f-4a2f-aca5-402329c943cb, Reseller
airpush com, 3e34b6c-ddaf54d, Reseller
admixer.net, 16596c71-1066-41e7-b56c-0a477b9a3549
mars.media, 102834
rubiconproject.com, 16568, 0bfd66d529a55807
pubmatic.com, 120391, 5d62403b186f2ace
improvedigital.com, 1057
peak226.com, 12400

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

FAQ

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

Yes — https://handcent.com/app-ads.txt has 5,386 lines (checked 19 Oct 2026).

Which ad networks does handcent.com work with?

Its app-ads.txt lists Smaato, Display.io, Verve (PubNative), Xandr (Microsoft), TripleLift, MobileFuse, Amazon Publisher Services, Index Exchange, PubMatic, Magnite (Rubicon), InMobi, Sovrn and 27 more.

handcent.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does handcent.com work with?

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

Other checked domains

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