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.

callapp.com app-ads.txt check

callapp.com is missing out on higher CPMs: its app-ads.txt has 11 invalid lines and lists only 9,325 of the 11,636 lines its 34 ad networks expect (20% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 9,612 lines, 6,440 unique records, 2,932 duplicates, 11 invalid lines, 42 ad networks detected.

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

Google AdMob — accounts pub-5998088572061125, pub-4050499156041921, pub-2325473850364670 and 1 more: 4 lines in the file
Amazon Publisher Services — accounts 233ef1bc-4ee7-4891-9701-29017ca54bb5, 79e40b05-e673-4b6c-85f9-79252a7f96a5, 71d4b8ca-53d1-4309-a952-3306259fb046: 3 lines in the file
TripleLift — accounts 6217, 6705, 6705-EB and 8 more: 11 lines in the file
Xandr (Microsoft) — accounts 10744, 11879, 13101 and 4 more: 7 lines in the file
Liftoff Monetize (Vungle) — accounts 1038, 571e02473fcc597c3900003b: 364 lines in the file, 28 expected lines missing
PubMatic — accounts 158258, 162990, 161581 and 10 more: 13 lines in the file
Magnite (Rubicon) — accounts 18474, 24856, 18706 and 11 more: 14 lines in the file
Smaato — accounts 1100043540, 1100021290, 1100054774 and 15 more: 18 lines in the file
MobileFuse — account 3616: 1 line in the file
InMobi — accounts 00f945e0bad545eeb9f6ee788d9b8a99, 96da9a2b5fc342968a951be0e1221d1b, 6a8dd2db8d7444018a9dd2fc4dca143f and 11 more: 195 lines in the file, 90 expected lines missing
DT Exchange (Fyber) — account 221595: 400 lines in the file, 1 expected line missing
OpenX — accounts 541158571, 563905670, 564921063 and 3 more: 6 lines in the file
Index Exchange — accounts 191593, 193087, 206164 and 2 more: 5 lines in the file
Yahoo — accounts 26131, 59719: 2 lines in the file
Verve (PubNative) — accounts 1009559, 1005474, 1007924 and 3 more: 400 lines in the file, 9 expected lines missing
Criteo — accounts B-057702, B-059025, B-057613 and 2 more: 5 lines in the file
Bidmachine — account 134: 400 lines in the file, 400 expected lines missing
Sovrn — accounts 411915, 563477, 594162 and 14 more: 17 lines in the file
Maticoo (zMaticoo) — accounts 5135063, 114122, 112109: 276 lines in the file, 171 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 159 lines in the file, 6 expected lines missing
BlueSea — account 204037: 26 lines in the file, 12 expected lines missing
Start.io — accounts 117514417, 187931421: 135 lines in the file, 24 expected lines missing
Display.io — accounts 25139166, 2511, 25110016: 25 lines in the file, 10 expected lines missing
Mintegral — account 25705: 400 lines in the file, 249 expected lines missing
AppLovin — account d3fa0dfb3a5864a28cd61b5f0e318564: 21 lines in the file, 15 expected lines missing
TikTok Ad Network (Pangle) — account 37632: 1 line in the file
Unity Ads — account 1726700: 127 lines in the file, 34 expected lines missing
Ogury — account 560809ec740edf5867d6cac809b9fa82: 9 lines in the file, 9 expected lines missing
Chartboost — account 571dfddbf6cd4576b02de967: 400 lines in the file, 147 expected lines missing
ironSource / LevelPlay — account 196789: 99 lines in the file, 27 expected lines missing
BIGO Ads — account 1113684: 400 lines in the file
Monetrix — account 319: 63 lines in the file, 31 expected lines missing
Yango Ads — account 104599510: 400 lines in the file, 400 expected lines missing
Bidease — account bidease_publisher_4: 47 lines in the file, 3 expected lines missing
Yandex Ads — partner (reseller) lines only: 159 lines in the file, 9 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 95 lines in the file, 49 expected lines missing
DSP Exchange — partner (reseller) lines only: 292 lines in the file, 269 expected lines missing
Madex — partner (reseller) lines only: 6 lines in the file, 12 expected lines missing
Prado — partner (reseller) lines only: 19 lines in the file, 8 expected lines missing
HyprMX — partner (reseller) lines only: 251 lines in the file, 118 expected lines missing
Kidoz — partner (reseller) lines only: 15 lines in the file, 7 expected lines missing
DSail — partner (reseller) lines only: 159 lines in the file, 6 expected lines missing

Invalid lines

lemmatechnologies,1844,RESELLER
rhy, 3463482822, RESELLER, a670c89d4a324e47
bidmachine.io,
1700, RESELLER
onetag.com, 67c71bd96716ca3 RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b freewheel.tv, 535659-r-524565, RESELLER
lijit.com, 383910, RESELLER, fafdf38b16bf6b2b video.unrulymedia.com, 829160295, RESELLER
lumeriq, 111326 RESELLER
lumeriq, 111326 RESELLER
pubmatic.com, 166965, RESELLER, 5d62403b186f2ace Prebid
sharethrough.com, CZ4W8fhF, RESELLER, d53b998a7bd4ecd2 Prebid

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

FAQ

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

Yes — https://callapp.com/app-ads.txt has 9,612 lines (checked 20 Oct 2026).

Which ad networks does callapp.com work with?

Its app-ads.txt lists Google AdMob, Amazon Publisher Services, TripleLift, Xandr (Microsoft), Liftoff Monetize (Vungle), PubMatic, Magnite (Rubicon), Smaato, MobileFuse, InMobi, DT Exchange (Fyber), OpenX and 30 more.

callapp.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does callapp.com work with?

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

Other checked domains

More