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.

colordrawfun.com app-ads.txt check

colordrawfun.com is missing out on higher CPMs: its app-ads.txt has 3 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 1,669 lines, 1,370 unique records, 285 duplicates, 3 invalid lines, 28 ad networks detected.

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

Google AdMob — account pub-5272940305053678: 1 line in the file
Meta Audience Network — account 490884423298017: 1 line in the file
TikTok Ad Network (Pangle) — account 5012211: 1 line in the file
Vungle — account 64c362d41e5137001122d512: 359 lines in the file, 1 expected line missing
Unity Ads — account 4849182: 117 lines in the file, 44 expected lines missing
Mintegral — account 39176: 400 lines in the file, 28 expected lines missing
AppLovin — partner (reseller) lines only: 14 lines in the file, 21 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 70 lines in the file, 55 expected lines missing
Chartboost — partner (reseller) lines only: 378 lines in the file, 387 expected lines missing
InMobi — partner (reseller) lines only: 113 lines in the file, 158 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 193 lines in the file, 257 expected lines missing
Yandex Ads — partner (reseller) lines only: 78 lines in the file, 90 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 77 lines in the file, 67 expected lines missing
BIGO Ads — partner (reseller) lines only: 242 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: 15 lines in the file, 34 expected lines missing
BlueSea — partner (reseller) lines only: 8 lines in the file, 29 expected lines missing
DSP Exchange — partner (reseller) lines only: 150 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 85 lines in the file, 359 expected lines missing
Monetrix — partner (reseller) lines only: 21 lines in the file, 72 expected lines missing
Prado — partner (reseller) lines only: 11 lines in the file, 16 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 319 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 114 lines in the file, 255 expected lines missing
Start.io — partner (reseller) lines only: 32 lines in the file, 125 expected lines missing
Kidoz — partner (reseller) lines only: 11 lines in the file, 11 expected lines missing
CAS.ai — partner (reseller) lines only: 71 lines in the file, 94 expected lines missing
DSail — partner (reseller) lines only: 71 lines in the file, 94 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing

Invalid lines

yahoo.com, 58905, RESELLER e1a5b5b6e3255540
bidvol.com, RESELLER, 93287
conversantmedia.com, 41896, RESELLER 03113cd04947736d

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

FAQ

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

Yes — https://colordrawfun.com/app-ads.txt has 1,669 lines (checked 20 Oct 2026).

Which ad networks does colordrawfun.com work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, TikTok Ad Network (Pangle), Vungle, Unity Ads, Mintegral, AppLovin, ironSource / LevelPlay, Chartboost, InMobi, DT Exchange (Fyber), Yandex Ads and 16 more.

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