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.

fanatiz.com app-ads.txt check

fanatiz.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 9 ad networks expect (100% of 33 lines).

Checked 19 Oct 2026. 284 lines, 218 unique records, 6 duplicates, 0 invalid lines, 17 ad networks detected.

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

Google AdMob — accounts pub-8804303781641925, pub-7789141453595900, pub-3689904677185774 and 5 more: 8 lines in the file
Sovrn — accounts 270241, 270241-eb, 254179 and 1 more: 4 lines in the file
Xandr (Microsoft) — accounts 7847, 9382, 9316 and 3 more: 6 lines in the file
PubMatic — accounts 148803, 157246, 156344 and 3 more: 6 lines in the file
Index Exchange — accounts 187386, 190986, 186319 and 1 more: 4 lines in the file
Magnite (Rubicon) — accounts 16106, 21872, 21930: 3 lines in the file
OpenX — accounts 540717833, 540947425, 539473415 and 1 more: 4 lines in the file
TripleLift — accounts 4471, 4471-EB, 7157-EB and 1 more: 4 lines in the file
Amazon Publisher Services — account 3628: 1 line in the file
Mintegral — partner (reseller) lines only: 30 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — partner (reseller) lines only: 11 lines in the file, 379 expected lines missing
Chartboost — partner (reseller) lines only: 20 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 11 lines in the file, 157 expected lines missing
BIGO Ads — partner (reseller) lines only: 17 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 32 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 21 lines in the file, 400 expected lines missing

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

FAQ

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

Yes — https://fanatiz.com/app-ads.txt has 284 lines (checked 19 Oct 2026).

Which ad networks does fanatiz.com work with?

Its app-ads.txt lists Google AdMob, Sovrn, Xandr (Microsoft), PubMatic, Index Exchange, Magnite (Rubicon), OpenX, TripleLift, Amazon Publisher Services, Mintegral, Liftoff Monetize (Vungle), Chartboost and 5 more.

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