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.

yazio.com app-ads.txt check

yazio.com is a bit behind: its app-ads.txt has no errors, but lists 4,707 of the 4,896 lines its 9 ad networks expect — 189 lines are missing, so the file isn't fully up to date. Unlisted sellers can't be verified.

Checked 20 Oct 2026. 4,173 lines, 3,765 unique records, 408 duplicates, 0 invalid lines, 28 ad networks detected.

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

Google AdMob — accounts pub-9215302871080917, pub-3940256099942544, pub-3940498599942544: 3 lines in the file
Meta Audience Network — account 996897840369429: 1 line in the file
Unity Ads — account 5317616: 124 lines in the file, 37 expected lines missing
Liftoff Monetize (Vungle) — account 69930b23eea67583ba0c3092: 360 lines in the file, 31 expected lines missing
AppLovin — account 9eaf9ad6dc92d5fcn6f47c30168fb8fq: 17 lines in the file, 19 expected lines missing
Mintegral — accounts 19435, 67980: 400 lines in the file, 28 expected lines missing
DT Exchange (Fyber) — account 238395: 400 lines in the file, 12 expected lines missing
InMobi — account f98e16a7d62048dabfe3faa27cf6a606: 210 lines in the file, 62 expected lines missing
Bidmachine — account 1873: 400 lines in the file
ironSource / LevelPlay — partner (reseller) lines only: 76 lines in the file, 49 expected lines missing
Chartboost — partner (reseller) lines only: 400 lines in the file, 312 expected lines missing
Yandex Ads — partner (reseller) lines only: 135 lines in the file, 33 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: 400 lines in the file, 333 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 35 lines in the file, 14 expected lines missing
BlueSea — partner (reseller) lines only: 22 lines in the file, 15 expected lines missing
Display.io — partner (reseller) lines only: 11 lines in the file, 21 expected lines missing
DSP Exchange — partner (reseller) lines only: 229 lines in the file, 332 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 246 lines in the file, 198 expected lines missing
Monetrix — partner (reseller) lines only: 61 lines in the file, 32 expected lines missing
Prado — partner (reseller) lines only: 13 lines in the file, 14 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 169 lines in the file, 200 expected lines missing
Start.io — partner (reseller) lines only: 84 lines in the file, 73 expected lines missing
Kidoz — partner (reseller) lines only: 10 lines in the file, 12 expected lines missing
CAS.ai — partner (reseller) lines only: 127 lines in the file, 38 expected lines missing
DSail — partner (reseller) lines only: 127 lines in the file, 38 expected lines missing

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

FAQ

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

Yes — https://yazio.com/app-ads.txt has 4,173 lines (checked 20 Oct 2026).

Which ad networks does yazio.com work with?

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

yazio.com app-ads.txt check

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

FAQ

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

Which ad networks does yazio.com work with?

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

Other checked domains

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