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.

fongo.com app-ads.txt check

fongo.com is missing out on higher CPMs: its app-ads.txt has 8 invalid lines and lists only 6,721 of the 7,794 lines its 24 ad networks expect (14% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 5,440 lines, 5,133 unique records, 299 duplicates, 8 invalid lines, 39 ad networks detected.

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

Google AdMob — accounts pub-8920538685908747, pub-4236520483129668, pub-8428973207370809 and 1 more: 4 lines in the file
Amazon Publisher Services — accounts 9391659, a48cac64-6ef2-4a69-b716-efd4e93890e8: 2 lines in the file
PubMatic — accounts 160565, 159856, 162223 and 1 more: 4 lines in the file
TikTok Ad Network (Pangle) — accounts 9898, 5003757: 2 lines in the file
Smaato — accounts 1100050680, 1100056911, 1100057628: 3 lines in the file
Meta Audience Network — account 209141936570571: 1 line in the file
InMobi — accounts 75b7a1b131e241608265866fb251fb13, ddb41d8a9f434a918d05a0fc9999d9f9, b8221aae8bb34cdcb6f2dbc85ec0717c: 224 lines in the file, 50 expected lines missing
Index Exchange — account 192585: 1 line in the file
AppLovin — account 8183b5c84cc3e499c5dc34584687f894: 36 lines in the file
OpenX — accounts 556543956, 559912325: 2 lines in the file
Liftoff Monetize (Vungle) — account 63247a172b8484001ab40fd7: 390 lines in the file, 1 expected line missing
Mintegral — account 36759: 400 lines in the file, 42 expected lines missing
Start.io — account 153236846: 138 lines in the file, 20 expected lines missing
TripleLift — account 7677: 1 line in the file
Xandr (Microsoft) — account 280: 1 line in the file
Verve (PubNative) — account 1008757: 400 lines in the file, 400 expected lines missing
Sovrn — accounts 245697, 456186: 2 lines in the file
Maticoo (zMaticoo) — account 114490: 274 lines in the file, 171 expected lines missing
ironSource / LevelPlay — account 586083: 113 lines in the file, 13 expected lines missing
Unity Ads — account 6197756: 156 lines in the file, 5 expected lines missing
Ogury — account 3387f968-9750-4492-956a-57a9c18cd59b: 10 lines in the file, 8 expected lines missing
DT Exchange (Fyber) — account 238351: 400 lines in the file, 2 expected lines missing
Bidmachine — account 1735: 400 lines in the file, 184 expected lines missing
BIGO Ads — account o08lm6sow2: 400 lines in the file, 35 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 166 expected lines missing
Yandex Ads — partner (reseller) lines only: 148 lines in the file, 20 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 99 lines in the file, 45 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 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: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 300 lines in the file, 261 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Monetrix — partner (reseller) lines only: 65 lines in the file, 28 expected lines missing
Prado — partner (reseller) lines only: 23 lines in the file, 4 expected lines missing
HyprMX — partner (reseller) lines only: 210 lines in the file, 159 expected lines missing
Kidoz — partner (reseller) lines only: 19 lines in the file, 3 expected lines missing
CAS.ai — partner (reseller) lines only: 141 lines in the file, 24 expected lines missing
DSail — partner (reseller) lines only: 141 lines in the file, 24 expected lines missing

Invalid lines

singularads, 984415, RESELLER
vidoomy.com, 7981862, RESELLER - CTV
singularads, 548745, RESELLER
app-stock.com, 256917, RESELLER-$2K-$5K
engagebdr.com, 1000223, RESELLERxad.com, 646, RESELLER, 81cbf0a75a5e0e9a
nobid.io, 22458427583, RESELLERrhythmone.com, 3227031674, RESELLER, a670c89d4a324e47
Media.net, 8CU65V935, RESELLERxandr.com, 11316, RESELLER
lemmatechnologies, 1844, RESELLER

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

FAQ

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

Yes — https://fongo.com/app-ads.txt has 5,440 lines (checked 19 Oct 2026).

Which ad networks does fongo.com work with?

Its app-ads.txt lists Google AdMob, Amazon Publisher Services, PubMatic, TikTok Ad Network (Pangle), Smaato, Meta Audience Network, InMobi, Index Exchange, AppLovin, OpenX, Liftoff Monetize (Vungle), Mintegral and 27 more.

fongo.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does fongo.com work with?

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

Other checked domains

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