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.

yourcafe.app app-ads.txt check

yourcafe.app is missing out on higher CPMs: its app-ads.txt has 1 invalid line. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 2,735 lines, 1,979 unique records, 728 duplicates, 1 invalid lines, 28 ad networks detected.

Ad networks in yourcafe.app/app-ads.txt

Google AdMob — account pub-2750379138468287: 1 line in the file
AppLovin — account 0db3716aa832cc524411f82331c29cc6: 36 lines in the file
Meta Audience Network — accounts 509398947727821, 778405999454739, 874273753368966: 3 lines in the file
DT Exchange (Fyber) — account 220993: 400 lines in the file, 7 expected lines missing
ironSource / LevelPlay — account 456209: 101 lines in the file, 25 expected lines missing
InMobi — accounts a373ad13ba65453998a3293013443389, cb6a6239dfec478f818c1ffca00ca440: 191 lines in the file, 82 expected lines missing
Mintegral — account 15711: 400 lines in the file, 17 expected lines missing
TikTok Ad Network (Pangle) — account 41061: 1 line in the file
Unity Ads — account 50502: 149 lines in the file, 12 expected lines missing
Vungle — account 640af6d64f812000141bafc7: 352 lines in the file, 8 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 357 expected lines missing
Yandex Ads — partner (reseller) lines only: 95 lines in the file, 73 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 78 lines in the file, 66 expected lines missing
BIGO Ads — partner (reseller) lines only: 320 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: 28 lines in the file, 21 expected lines missing
BlueSea — partner (reseller) lines only: 10 lines in the file, 27 expected lines missing
DSP Exchange — partner (reseller) lines only: 251 lines in the file, 310 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 129 lines in the file, 315 expected lines missing
Monetrix — partner (reseller) lines only: 26 lines in the file, 67 expected lines missing
Prado — partner (reseller) lines only: 15 lines in the file, 12 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 399 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 131 lines in the file, 238 expected lines missing
Start.io — partner (reseller) lines only: 42 lines in the file, 115 expected lines missing
Kidoz — partner (reseller) lines only: 12 lines in the file, 10 expected lines missing
CAS.ai — partner (reseller) lines only: 85 lines in the file, 80 expected lines missing
DSail — partner (reseller) lines only: 85 lines in the file, 80 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing

Invalid lines

rubiconproject.com, 15854, RESELLER 0bfd66d529a55807

Corrected file: yourcafe.app app-ads.txt (fixed).

FAQ

Does yourcafe.app have an app-ads.txt?

Yes — https://yourcafe.app/app-ads.txt has 2,735 lines (checked 20 Oct 2026).

Which ad networks does yourcafe.app work with?

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

Is the app-ads.txt of yourcafe.app correct?