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.

maxproapp.us app-ads.txt check

maxproapp.us achieves the best ad optimization: its app-ads.txt has no errors and matches what its 10 ad networks expect (100% of 19 lines).

Checked 19 Oct 2026. 299 lines, 269 unique records, 13 duplicates, 0 invalid lines, 17 ad networks detected.

Ad networks in maxproapp.us/app-ads.txt

Google AdMob — accounts pub-2326747752166537, pub-4878508349196632, pub-5016155138623826 and 13 more: 16 lines in the file
Meta Audience Network — accounts 1807982039264481, 1149223445501693: 2 lines in the file
Xandr (Microsoft) — accounts 9684, 10264, 9982: 3 lines in the file
Index Exchange — accounts 196713, 192450, 192051 and 2 more: 5 lines in the file
Criteo — accounts B-060278, B-062041: 2 lines in the file
OpenX — account 539966405: 1 line in the file
Sovrn — accounts 257429-eb, 310770, 244287: 3 lines in the file
Amazon Publisher Services — account 93aec77c-f6d2-45bd-affc-a85ab5a72683: 1 line in the file
PubMatic — account 159078: 1 line in the file
TripleLift — account 8683: 1 line in the file
Mintegral — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 12 lines in the file, 400 expected lines missing
BIGO Ads — partner (reseller) lines only: 12 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 29 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 30 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 20 lines in the file, 400 expected lines missing

Corrected file: maxproapp.us app-ads.txt (fixed).

FAQ

Does maxproapp.us have an app-ads.txt?

Yes — https://maxproapp.us/app-ads.txt has 299 lines (checked 19 Oct 2026).

Which ad networks does maxproapp.us work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, Xandr (Microsoft), Index Exchange, Criteo, OpenX, Sovrn, Amazon Publisher Services, PubMatic, TripleLift, Mintegral, Chartboost and 5 more.

Is the app-ads.txt of maxproapp.us correct?