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.

king.com app-ads.txt check

king.com is missing out on higher CPMs: its app-ads.txt has 3 invalid lines and lists only 2,479 of the 3,732 lines its 21 ad networks expect (34% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 2,651 lines, 2,561 unique records, 71 duplicates, 3 invalid lines, 38 ad networks detected.

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

Google AdMob — accounts pub-7948746413677028, pub-6472038563747829: 2 lines in the file
Magnite (Rubicon) — accounts 19710, 19708, 14554 and 1 more: 4 lines in the file
InMobi — account ad911aac2364463682decff2a67077e9: 144 lines in the file, 128 expected lines missing
Amazon Publisher Services — account b6c954e9-1248-4725-ad8d-6eb9c6fe5a5a: 1 line in the file
PubMatic — accounts 158814, 158594, 162061 and 8 more: 11 lines in the file
OpenX — accounts 541185864, 557918474, 560854800: 3 lines in the file
TripleLift — accounts 9904, 7409, 9904-EB and 2 more: 5 lines in the file
Xandr (Microsoft) — accounts 12505, 280: 2 lines in the file
Index Exchange — accounts 194880, 197849, 197901 and 5 more: 8 lines in the file
Yahoo — accounts 54630, 59623: 2 lines in the file
Meta Audience Network — accounts 836157856476911, 208329366039887, 1694247010863717 and 25 more: 28 lines in the file
MobileFuse — accounts 4447, 4623: 2 lines in the file
Smaato — accounts 1100055604, 1100054356, 1100057611 and 2 more: 5 lines in the file
Verve (PubNative) — accounts 1009052, 1009150, 1009841 and 1 more: 400 lines in the file, 400 expected lines missing
Sovrn — account 534985: 1 line in the file
AppLovin — account 91403a22ec10506a8967f0e7041341ee: 34 lines in the file, 2 expected lines missing
Mintegral — account 22667: 400 lines in the file, 164 expected lines missing
Unity Ads — account 1267328: 101 lines in the file, 60 expected lines missing
ironSource / LevelPlay — account 274049: 91 lines in the file, 35 expected lines missing
Liftoff Monetize (Vungle) — account 622b9915ac4bf1001715b790: 366 lines in the file, 25 expected lines missing
DT Exchange (Fyber) — account 235117: 400 lines in the file
Chartboost — partner (reseller) lines only: 400 lines in the file, 292 expected lines missing
Yandex Ads — partner (reseller) lines only: 88 lines in the file, 80 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 85 lines in the file, 59 expected lines missing
BIGO Ads — partner (reseller) lines only: 329 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 26 lines in the file, 23 expected lines missing
BlueSea — partner (reseller) lines only: 12 lines in the file, 25 expected lines missing
DSP Exchange — partner (reseller) lines only: 221 lines in the file, 340 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 119 lines in the file, 325 expected lines missing
Monetrix — partner (reseller) lines only: 25 lines in the file, 68 expected lines missing
Prado — partner (reseller) lines only: 15 lines in the file, 12 expected lines missing
HyprMX — partner (reseller) lines only: 154 lines in the file, 215 expected lines missing
Start.io — partner (reseller) lines only: 38 lines in the file, 119 expected lines missing
Kidoz — partner (reseller) lines only: 10 lines in the file, 12 expected lines missing
CAS.ai — partner (reseller) lines only: 79 lines in the file, 86 expected lines missing
DSail — partner (reseller) lines only: 79 lines in the file, 86 expected lines missing
Bidmachine — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing

Invalid lines

pubmatic, 162439, RESELLER, 5d62403b186f2ace
singularads, 548745, RESELLER
smaato.com, 1100052485, RESELLER 07bcf65f187117b4

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

FAQ

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

Yes — https://king.com/app-ads.txt has 2,651 lines (checked 20 Oct 2026).

Which ad networks does king.com work with?

Its app-ads.txt lists Google AdMob, Magnite (Rubicon), InMobi, Amazon Publisher Services, PubMatic, OpenX, TripleLift, Xandr (Microsoft), Index Exchange, Yahoo, Meta Audience Network, MobileFuse and 26 more.

king.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does king.com work with?

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

Other checked domains

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