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.

zingplay.com app-ads.txt check

zingplay.com achieves the best ad optimization: its app-ads.txt has no errors and matches what its 10 ad networks expect (100% of 37 lines).

Checked 20 Oct 2026. 776 lines, 711 unique records, 56 duplicates, 0 invalid lines, 17 ad networks detected.

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

Google AdMob — accounts pub-3599306686707382, pub-3940256099942544, pub-5566024169310487 and 8 more: 11 lines in the file
Index Exchange — accounts 187663, 189340, 192106 and 3 more: 6 lines in the file
PubMatic — accounts 158104, 158222, 156709 and 6 more: 9 lines in the file
Magnite (Rubicon) — accounts 21006, 20486, 4642 and 4 more: 7 lines in the file
OpenX — accounts 540635218, 540447790, 540769701 and 2 more: 5 lines in the file
TripleLift — accounts 7504-EB, 6842-EB, 7240: 3 lines in the file
Sovrn — accounts 264113, 264113-eb: 2 lines in the file
Amazon Publisher Services — account cd6cddc5-4dca-4d77-9a65-8b894400e772: 1 line in the file
Xandr (Microsoft) — accounts 10062, 9684: 2 lines in the file
Meta Audience Network — accounts 1434159726837440, 915401529351613, 490938748638621 and 402 more: 400 lines in the file
Mintegral — partner (reseller) lines only: 18 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
BIGO Ads — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 35 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 26 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 16 lines in the file, 400 expected lines missing
Bidmachine — partner (reseller) lines only: 28 lines in the file, 400 expected lines missing

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

FAQ

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

Yes — https://zingplay.com/app-ads.txt has 776 lines (checked 20 Oct 2026).

Which ad networks does zingplay.com work with?

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

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