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.

puzzle.sg app-ads.txt check

puzzle.sg is missing out on higher CPMs: its app-ads.txt has 42 invalid lines and lists only 6,386 of the 11,911 lines its 31 ad networks expect (46% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 20,011 lines, 3,594 unique records, 15,311 duplicates, 42 invalid lines, 40 ad networks detected.

Ad networks in puzzle.sg/app-ads.txt

Google AdMob — accounts pub-6347858253742986, pub-4575702362337240, pub-7002491002409919 and 7 more: 10 lines in the file
Meta Audience Network — accounts 1090466681543560, 1976087022717734, 367867568371622 and 2 more: 5 lines in the file
AppLovin — account c30624fa6059b8c0a70fa3e688f885e2: 34 lines in the file, 2 expected lines missing
ironSource / LevelPlay — accounts 155137, 248883: 80 lines in the file, 47 expected lines missing
DT Exchange (Fyber) — account 214095: 337 lines in the file, 114 expected lines missing
Mintegral — account 24899: 400 lines in the file, 106 expected lines missing
OpenX — accounts 540679900, 540861995, 562175839 and 1 more: 4 lines in the file
PubMatic — accounts 158060, 160565, 159856 and 7 more: 10 lines in the file
Unity Ads — account 2151272: 82 lines in the file, 79 expected lines missing
TikTok Ad Network (Pangle) — accounts 71858, 9898: 2 lines in the file
InMobi — accounts 1816af973fa94931b7967196ebcf72a9, cb6a6239dfec478f818c1ffca00ca440, 7ccbd1397c1d47ce9fa5319ea6b34cb6: 178 lines in the file, 96 expected lines missing
Index Exchange — account 192585: 1 line in the file
HyprMX — account 25840987696: 197 lines in the file, 173 expected lines missing
Vungle — account 5fbbf5f817d16700151985c6: 359 lines in the file, 1 expected line missing
Chartboost — account 5f76cf0a34294907ecc62341: 400 lines in the file, 189 expected lines missing
Verve (PubNative) — accounts 1008100, 1234567: 400 lines in the file, 400 expected lines missing
Ogury — account 7c36184e-393c-43be-9e86-c291776c6f5c: 9 lines in the file, 9 expected lines missing
Smaato — accounts 1100048296, 1100057628, 1100059247: 3 lines in the file
BIGO Ads — account 11360048: 338 lines in the file, 400 expected lines missing
Yandex Ads — accounts 101809620, 305143219: 101 lines in the file, 69 expected lines missing
Xandr (Microsoft) — account 13356: 1 line in the file
Magnite (Rubicon) — accounts 24774, 24776, 19652 and 7 more: 10 lines in the file
MobileFuse — account 4486: 1 line in the file
VK Ads (myTarget) — account 11360048: 136 lines in the file, 39 expected lines missing
Display.io — account 2485: 15 lines in the file, 18 expected lines missing
Amazon Publisher Services — accounts 8ad2aae8-3f86-43e5-ba8d-47d42f48959d, 822c7bc2-d58f-4911-b8a2-95ee49e044c8: 2 lines in the file
Bidmachine — account 200: 400 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — accounts 81237, 83781, 83830 and 1 more: 200 lines in the file, 248 expected lines missing
Sovrn — account 240095: 1 line in the file
CAS.ai — account 922e6092: 93 lines in the file, 72 expected lines missing
Yango Ads — account 101809620: 400 lines in the file, 400 expected lines missing
Bidease — partner (reseller) lines only: 27 lines in the file, 22 expected lines missing
BlueSea — partner (reseller) lines only: 14 lines in the file, 23 expected lines missing
DSP Exchange — partner (reseller) lines only: 339 lines in the file, 222 expected lines missing
Madex — partner (reseller) lines only: 4 lines in the file, 14 expected lines missing
Monetrix — partner (reseller) lines only: 28 lines in the file, 65 expected lines missing
Prado — partner (reseller) lines only: 11 lines in the file, 16 expected lines missing
Start.io — partner (reseller) lines only: 41 lines in the file, 116 expected lines missing
Kidoz — partner (reseller) lines only: 8 lines in the file, 14 expected lines missing
DSail — partner (reseller) lines only: 93 lines in the file, 72 expected lines missing

Invalid lines

//Added on 2021/01/08
ucfunnel.com, par-E2B2BB3E89BE87A2F774B768BEED62A2,
smartyads.com, 897, fd2bde0ff2e62c5d
Resellers as of Nov. 8th, 2022
fyber.com, INSERT PUBLISHER ID, DIRECT
sentinel
pangleglobal.com, Account ID, DIRECT
adsparc, 986, RESELLER
inmobi.com, 1816af973fa94931b7967196ebcf72a9, DIRECT, 83e75a7ae333ca9d eskimi.com, 2020000030, RESELLER freewheel.tv, 1585681, RESELLER loopme.com, 11414, RESELLER, 6c8d5f95897a5a3b opera.com, pub5925
rubiconproject.com,16824,RESELLERfreewheel.tv,1585681,RESELLERopera.com,pub5925993551616,RESELLER,55a0c5fd61378de3thebrave.io,1234568,RESELLER,c25b2154543746acshowheroes.com,6019,RESELLERconversantmed
eskimi.com,2020000030,RESELLERloopme.com,11414,RESELLER,6c8d5f95897a5a3balgorix.co,60097,RESELLER,5b394c12fea27a1dthebrave.io,1234568,RESELLER,c25b2154543746acmarkappmedia.site,587286,RESELLERopera.co
inmobi.com, 1816af973fa94931b7967196ebcf72a9, DIRECT, 83e75a7ae333ca9drubiconproject.com, 11726, RESELLER, 0bfd66d529a55807rubiconproject.com, 12266, RESELLER, 0bfd66d529a55807blis.com, 33, RESELLER,
onlinemediasolutions.com,29556,RESELLER, eskimi.com,2020000030,RESELLER, appnexus.com,14077,RESELLER,f5ab79cb980f11d1, fromthetop.io,65529,RESELLER, adiiix.com,3de5db9,RESELLER, selectmedia.asia,645b5
improvedigital, 2343, RESELLER
whitemediasolutions, 1920, direct

Corrected file: puzzle.sg app-ads.txt (fixed).

FAQ

Does puzzle.sg have an app-ads.txt?

Yes — https://puzzle.sg/app-ads.txt has 20,011 lines (checked 20 Oct 2026).

Which ad networks does puzzle.sg work with?

Its app-ads.txt lists Google AdMob, Meta Audience Network, AppLovin, ironSource / LevelPlay, DT Exchange (Fyber), Mintegral, OpenX, PubMatic, Unity Ads, TikTok Ad Network (Pangle), InMobi, Index Exchange and 28 more.

puzzle.sg app-ads.txt check

Ad networks in puzzle.sg/app-ads.txt

Invalid lines

FAQ

Does puzzle.sg have an app-ads.txt?

Which ad networks does puzzle.sg work with?

Is the app-ads.txt of puzzle.sg correct?

Other checked domains

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