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.

myreadit.com app-ads.txt check

myreadit.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 8 ad networks expect (100% of 12 lines).

Checked 19 Oct 2026. 378 lines, 361 unique records, 9 duplicates, 0 invalid lines, 12 ad networks detected.

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

Google AdMob — accounts pub-9456523831285957, pub-7759753907778440: 2 lines in the file
PubMatic — accounts 163018, 159884: 2 lines in the file
Magnite (Rubicon) — accounts 22426, 20568: 2 lines in the file
Index Exchange — accounts 191349, 187612: 2 lines in the file
Amazon Publisher Services — account d14c8d3d-c09a-40c7-8c08-b5d7cd1d7fac: 1 line in the file
Sovrn — accounts 249279, 252889: 2 lines in the file
OpenX — account 540158160: 1 line in the file
TripleLift — account 6006: 1 line in the file
Mintegral — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 18 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing

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

FAQ

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

Yes — https://myreadit.com/app-ads.txt has 378 lines (checked 19 Oct 2026).

Which ad networks does myreadit.com work with?

Its app-ads.txt lists Google AdMob, PubMatic, Magnite (Rubicon), Index Exchange, Amazon Publisher Services, Sovrn, OpenX, TripleLift, Mintegral, Yango Ads, DSP Exchange, Bidmachine.

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