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.

startnewgames.com app-ads.txt check

startnewgames.com is missing out on higher CPMs: its app-ads.txt has 47 invalid lines and lists only 7,512 of the 9,825 lines its 28 ad networks expect (24% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 21 Oct 2026. 8,814 lines, 4,943 unique records, 3,728 duplicates, 47 invalid lines, 40 ad networks detected.

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

TikTok Ad Network (Pangle) — accounts 43491, 5025756: 2 lines in the file
BIGO Ads — accounts 614, 615, 616: 400 lines in the file, 250 expected lines missing
Start.io — accounts 155999342, 117514417: 87 lines in the file, 72 expected lines missing
Google AdMob — accounts pub-4236520483129668, pub-2843405949989126, pub-2268956250112323 and 25 more: 28 lines in the file
Magnite (Rubicon) — accounts 20884, 23844, 13702 and 3 more: 6 lines in the file
Maticoo (zMaticoo) — accounts 10142, 5135063: 231 lines in the file, 215 expected lines missing
Amazon Publisher Services — accounts 483f8f53-3ce3-4fa0-b842-30fd93d67571, 8b48e249-e9e6-4a52-8b48-396ea93403e8: 2 lines in the file
InMobi — accounts 06894a4cf6104173a0593d4cc3775562, 3110b449212a4aeca3178310aa006ad0, 35708a1fa056473595dc8d3ec1639522 and 2 more: 203 lines in the file, 73 expected lines missing
PubMatic — accounts 163216, 163359, 157898 and 5 more: 8 lines in the file
OpenX — accounts 540938618, 540650310, 563905670 and 1 more: 4 lines in the file
Criteo — account B-056930: 1 line in the file
Index Exchange — accounts 186407, 190906, 185104: 3 lines in the file
Sovrn — accounts 267370, 267370-eb, 244287 and 8 more: 11 lines in the file
TripleLift — accounts 3084, 3084-EB, 9789 and 10 more: 13 lines in the file
Xandr (Microsoft) — accounts 11429, 9538: 2 lines in the file
Smaato — accounts 1100053580, 1100057628, 1100053975 and 1 more: 4 lines in the file
ironSource / LevelPlay — account 357197: 98 lines in the file, 28 expected lines missing
AppLovin — accounts 752650a855c8d7b1ec35c6133e0a9218, 75edfac07a29a7e9db2cc7b50e42db0e: 35 lines in the file, 2 expected lines missing
Mintegral — accounts 21135, 57142: 400 lines in the file, 76 expected lines missing
Chartboost — account 5a91289eb8604e0cabb93dbf: 400 lines in the file, 46 expected lines missing
Yandex Ads — account 316090751: 158 lines in the file, 11 expected lines missing
Yango Ads — account 316090751: 400 lines in the file, 400 expected lines missing
Bidmachine — accounts 200, 387: 400 lines in the file, 400 expected lines missing
Vungle — accounts 5681f8c1860808f24300000a, 693bb8980ff391e78abf1bf2: 360 lines in the file, 1 expected line missing
Meta Audience Network — accounts 1542182789196665, 2274684822727184, 8048173795300205: 3 lines in the file
Unity Ads — account 7181043: 127 lines in the file, 34 expected lines missing
CAS.ai — accounts b5a73ae1, babe9c54: 157 lines in the file, 8 expected lines missing
BlueSea — account 204037: 25 lines in the file, 13 expected lines missing
DT Exchange (Fyber) — partner (reseller) lines only: 330 lines in the file, 120 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 108 lines in the file, 36 expected lines missing
Bidease — partner (reseller) lines only: 28 lines in the file, 21 expected lines missing
Display.io — partner (reseller) lines only: 15 lines in the file, 17 expected lines missing
DSP Exchange — partner (reseller) lines only: 309 lines in the file, 252 expected lines missing
Madex — partner (reseller) lines only: 6 lines in the file, 12 expected lines missing
Monetrix — partner (reseller) lines only: 50 lines in the file, 43 expected lines missing
Prado — partner (reseller) lines only: 17 lines in the file, 10 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 400 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 221 lines in the file, 148 expected lines missing
Kidoz — partner (reseller) lines only: 14 lines in the file, 8 expected lines missing
DSail — partner (reseller) lines only: 157 lines in the file, 8 expected lines missing

Invalid lines

ironsrc.com, [217807], Direct
smaato.com,to be added after mapping,DIRECT,07bcf65f187117b4
————————————————————————————————
————————————————————————————————
bigo
———————————————————————————————————————
Monetizemore.com, d3ff2fe92d, DIRECTPLEASE
Monetizemore.com, 1e6e1d34b4, DIRECTPLEASE
Monetizemore.com, e3bbe30b92, DIRECTPLEASE
Monetizemore.com, 1af250d7ed, DIRECTPLEASE
Monetizemore.com, 39ad301be5, DIRECTPLEASE
Monetizemore.com, 42ed0e5115, DIRECTPLEASE
Monetizemore.com, 6b29951537, DIRECTPLEASE
Monetizemore.com, b08ea50a2f, DIRECTPLEASE
Monetizemore.com, 09192237e9, DIRECTPLEASE

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

FAQ

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

Yes — https://startnewgames.com/app-ads.txt has 8,814 lines (checked 21 Oct 2026).

Which ad networks does startnewgames.com work with?

Its app-ads.txt lists TikTok Ad Network (Pangle), BIGO Ads, Start.io, Google AdMob, Magnite (Rubicon), Maticoo (zMaticoo), Amazon Publisher Services, InMobi, PubMatic, OpenX, Criteo, Index Exchange and 28 more.

startnewgames.com app-ads.txt check

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

Invalid lines

FAQ

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

Which ad networks does startnewgames.com work with?

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

Other checked domains

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