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.

ksat.com app-ads.txt check

ksat.com is missing out on higher CPMs: its app-ads.txt has 2 invalid lines. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 21 Oct 2026. 301 lines, 216 unique records, 28 duplicates, 2 invalid lines, 19 ad networks detected.

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

Google AdMob — account pub-6714825608350009: 1 line in the file
Xandr (Microsoft) — accounts 7768, 17499: 2 lines in the file
Index Exchange — accounts 192789, 190829, 211360: 3 lines in the file
OpenX — accounts 538936931, 540029492, 564185273 and 3 more: 6 lines in the file
Magnite (Rubicon) — accounts 17280, 28859, 18316 and 1 more: 4 lines in the file
PubMatic — accounts 157743, 160132, 163905 and 1 more: 4 lines in the file
Sovrn — account 227590: 1 line in the file
TripleLift — accounts 14676, 14676-EB: 2 lines in the file
Mintegral — partner (reseller) lines only: 26 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 29 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: 21 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 49 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 22 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 14 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 26 lines in the file, 400 expected lines missing
CAS.ai — partner (reseller) lines only: 15 lines in the file, 150 expected lines missing
DSail — partner (reseller) lines only: 15 lines in the file, 150 expected lines missing
Bidmachine — partner (reseller) lines only: 40 lines in the file, 400 expected lines missing

Invalid lines

lkqd.net, 1100060088, RESELLER 59c49fa9598a0117
lkqd.net, 1100058316 DIRECT, 59c49fa9598a0117

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

FAQ

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

Yes — https://ksat.com/app-ads.txt has 301 lines (checked 21 Oct 2026).

Which ad networks does ksat.com work with?

Its app-ads.txt lists Google AdMob, Xandr (Microsoft), Index Exchange, OpenX, Magnite (Rubicon), PubMatic, Sovrn, TripleLift, Mintegral, Chartboost, Yandex Ads, BIGO Ads and 7 more.

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