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.

makerlabs.net app-ads.txt check

makerlabs.net is missing out on higher CPMs: its app-ads.txt has 2 invalid lines and lists only 947 of the 2,371 lines its 19 ad networks expect (60% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 1,454 lines, 1,234 unique records, 184 duplicates, 2 invalid lines, 32 ad networks detected.

Ad networks in makerlabs.net/app-ads.txt

Magnite (Rubicon) — account 17824: 1 line in the file
Index Exchange — account 187409: 1 line in the file
OpenX — account 540066987: 1 line in the file
TripleLift — account 6266-EB: 1 line in the file
PubMatic — account 157959: 1 line in the file
Smaato — account 1100033725: 1 line in the file
Google AdMob — accounts pub-4208506228524556, pub-8597958906206544, pub-5545962412010602 and 112 more: 115 lines in the file
Unity Ads — account 3064185: 45 lines in the file, 116 expected lines missing
SuperAwesome — account 177: 5 lines in the file, 1 expected line missing
Xandr (Microsoft) — account 806: 1 line in the file
Meta Audience Network — accounts 1179158068773061, 463634712109772: 2 lines in the file
AppLovin — account 4b451c58819c013a1b7166346ff98c9d: 18 lines in the file, 18 expected lines missing
ironSource / LevelPlay — account 373943: 60 lines in the file, 66 expected lines missing
Mintegral — account 29355: 391 lines in the file, 400 expected lines missing
TikTok Ad Network (Pangle) — account 15132: 1 line in the file
Liftoff Monetize (Vungle) — account 561e8d976b8d90f61a003d4d: 139 lines in the file, 252 expected lines missing
Amazon Publisher Services — account 661d59ba-6b8e-4f76-acdf-19dcbfadf0af: 1 line in the file
InMobi — account ce5d8999aab64b0dbe291ddb3f996495: 106 lines in the file, 166 expected lines missing
DT Exchange (Fyber) — account 219208: 172 lines in the file, 279 expected lines missing
Chartboost — partner (reseller) lines only: 217 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 38 lines in the file, 130 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 65 lines in the file, 79 expected lines missing
BIGO Ads — partner (reseller) lines only: 122 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 243 lines in the file, 318 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 46 lines in the file, 398 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 172 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 67 lines in the file, 302 expected lines missing
Start.io — partner (reseller) lines only: 16 lines in the file, 141 expected lines missing
CAS.ai — partner (reseller) lines only: 30 lines in the file, 135 expected lines missing
DSail — partner (reseller) lines only: 30 lines in the file, 135 expected lines missing
Bidmachine — partner (reseller) lines only: 175 lines in the file, 400 expected lines missing

Invalid lines

yeahmobi.com,5135082,RESELLER, loopme.com,11605,RESELLER,6c8d5f95897a5a3b,
rubiconproject.com, 15854, RESELLER 0bfd66d529a55807

Corrected file: makerlabs.net app-ads.txt (fixed).

FAQ

Does makerlabs.net have an app-ads.txt?

Yes — https://makerlabs.net/app-ads.txt has 1,454 lines (checked 20 Oct 2026).

Which ad networks does makerlabs.net work with?

Its app-ads.txt lists Magnite (Rubicon), Index Exchange, OpenX, TripleLift, PubMatic, Smaato, Google AdMob, Unity Ads, SuperAwesome, Xandr (Microsoft), Meta Audience Network, AppLovin and 20 more.

makerlabs.net app-ads.txt check

Ad networks in makerlabs.net/app-ads.txt

Invalid lines

FAQ

Does makerlabs.net have an app-ads.txt?

Which ad networks does makerlabs.net work with?

Is the app-ads.txt of makerlabs.net correct?

Other checked domains

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