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.

block-blast-pro-2026.web.app app-ads.txt check

block-blast-pro-2026.web.app achieves the best ad optimization: its app-ads.txt has no errors and matches what its ad network expects (100% of 161 lines).

Checked 20 Oct 2026. 161 lines, 161 unique records, 0 duplicates, 0 invalid lines, 19 ad networks detected.

Ad networks in block-blast-pro-2026.web.app/app-ads.txt

Unity Ads — account 154152080: 161 lines in the file
Mintegral — partner (reseller) lines only: 32 lines in the file, 400 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 60 lines in the file, 65 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 26 lines in the file, 364 expected lines missing
Chartboost — partner (reseller) lines only: 24 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 22 lines in the file, 249 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 43 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 14 lines in the file, 154 expected lines missing
BIGO Ads — partner (reseller) lines only: 53 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 79 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 28 lines in the file, 400 expected lines missing
Prado — partner (reseller) lines only: 7 lines in the file, 20 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 45 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 12 lines in the file, 357 expected lines missing
Start.io — partner (reseller) lines only: 16 lines in the file, 141 expected lines missing
Kidoz — partner (reseller) lines only: 8 lines in the file, 14 expected lines missing
CAS.ai — partner (reseller) lines only: 13 lines in the file, 152 expected lines missing
DSail — partner (reseller) lines only: 13 lines in the file, 152 expected lines missing
Bidmachine — partner (reseller) lines only: 72 lines in the file, 400 expected lines missing

Corrected file: block-blast-pro-2026.web.app app-ads.txt (fixed).

FAQ

Does block-blast-pro-2026.web.app have an app-ads.txt?

Yes — https://block-blast-pro-2026.web.app/app-ads.txt has 161 lines (checked 20 Oct 2026).

Which ad networks does block-blast-pro-2026.web.app work with?

Its app-ads.txt lists Unity Ads, Mintegral, ironSource / LevelPlay, Liftoff Monetize (Vungle), Chartboost, InMobi, DT Exchange (Fyber), Yandex Ads, BIGO Ads, Yango Ads, Maticoo (zMaticoo), Prado and 7 more.

Is the app-ads.txt of block-blast-pro-2026.web.app correct?