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.

wordication.app app-ads.txt check

wordication.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. 111 lines, 84 unique records, 0 duplicates, 1 invalid lines, 13 ad networks detected.

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

Google AdMob — account pub-5418910210735666: 1 line in the file
Mintegral — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing
Unity Ads — partner (reseller) lines only: 82 lines in the file, 78 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 24 lines in the file, 101 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 10 lines in the file, 380 expected lines missing
Chartboost — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 10 lines in the file, 261 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 15 lines in the file, 400 expected lines missing
BIGO Ads — partner (reseller) lines only: 26 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 31 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 17 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 36 lines in the file, 400 expected lines missing

Invalid lines

applovin.com, YOUR_APPLOVIN_SDK_KEY, DIRECT, f08c47fec0942fa0

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

FAQ

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

Yes — https://wordication.app/app-ads.txt has 111 lines (checked 20 Oct 2026).

Which ad networks does wordication.app work with?

Its app-ads.txt lists Google AdMob, Mintegral, Unity Ads, ironSource / LevelPlay, Liftoff Monetize (Vungle), Chartboost, InMobi, DT Exchange (Fyber), BIGO Ads, Yango Ads, Maticoo (zMaticoo), Verve (PubNative) and 1 more.

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