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.

toosmart.nl app-ads.txt check

toosmart.nl is missing out on higher CPMs: its app-ads.txt has 15 invalid lines and lists only 3,545 of the 7,527 lines its 26 ad networks expect (53% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 6,835 lines, 3,747 unique records, 2,972 duplicates, 15 invalid lines, 40 ad networks detected.

Ad networks in toosmart.nl/app-ads.txt

Google AdMob — accounts pub-2834830430942988, pub-4804235004830147, pub-3444164362292791 and 7 more: 10 lines in the file
Unity Ads — accounts 30851, 38703, 1119100: 75 lines in the file, 88 expected lines missing
AppLovin — accounts 2afbf06c8e147f64af86feeb215fc347, 11346c820d34247439c1e10003d81751: 32 lines in the file, 5 expected lines missing
DT Exchange (Fyber) — account 208340: 222 lines in the file, 229 expected lines missing
Mintegral — account 20505: 400 lines in the file, 313 expected lines missing
Chartboost — account 5d11e10d1581f10e6d97c773: 400 lines in the file, 111 expected lines missing
Vungle — account 561e8d926b8d90f61a00013e: 253 lines in the file, 107 expected lines missing
InMobi — accounts f3d6142e04254cf5a9ebcb16b724524f, 4eec1a4c9837415c9889705b40ae285b, ddb41d8a9f434a918d05a0fc9999d9f9: 135 lines in the file, 139 expected lines missing
ironSource / LevelPlay — accounts 135273, 407322: 77 lines in the file, 50 expected lines missing
Bidmachine — account 181: 400 lines in the file, 400 expected lines missing
Xandr (Microsoft) — accounts 12616, 14416, 8233 and 2 more: 5 lines in the file
Criteo — accounts B-066465, b-072394, b-059025 and 2 more: 5 lines in the file
Ogury — account 5bbe7af9-d51f-499e-a804-db54798d96f4: 8 lines in the file, 10 expected lines missing
Magnite (Rubicon) — accounts 24856, 19652, 13510 and 6 more: 9 lines in the file
Smaato — accounts 1100048585, 1100055690, 1100049216 and 3 more: 6 lines in the file
TripleLift — account 13041: 1 line in the file
PubMatic — accounts 160565, 162223, 160880 and 4 more: 7 lines in the file
TikTok Ad Network (Pangle) — account 9898: 1 line in the file
OpenX — accounts 544024587, 540861995, 540134228: 3 lines in the file
Sovrn — accounts 224984, 237754, 237754-eb: 3 lines in the file
Amazon Publisher Services — account 70247b00-ff8f-4016-b3ab-8344daf96e09: 1 line in the file
Index Exchange — accounts 183921, 188416, 193067 and 1 more: 4 lines in the file
Yahoo — accounts 55305, 58855, 59435 and 2 more: 5 lines in the file
HyprMX — account 27433086464: 300 lines in the file, 70 expected lines missing
MobileFuse — account 4530: 1 line in the file
Verve (PubNative) — account 1009762: 400 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 69 lines in the file, 99 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 80 lines in the file, 64 expected lines missing
BIGO Ads — partner (reseller) lines only: 310 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: 17 lines in the file, 32 expected lines missing
DSP Exchange — partner (reseller) lines only: 354 lines in the file, 207 expected lines missing
Madex — partner (reseller) lines only: 8 lines in the file, 10 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 102 lines in the file, 342 expected lines missing
Monetrix — partner (reseller) lines only: 10 lines in the file, 83 expected lines missing
Prado — partner (reseller) lines only: 12 lines in the file, 15 expected lines missing
Start.io — partner (reseller) lines only: 37 lines in the file, 120 expected lines missing
Kidoz — partner (reseller) lines only: 9 lines in the file, 13 expected lines missing
CAS.ai — partner (reseller) lines only: 61 lines in the file, 104 expected lines missing
DSail — partner (reseller) lines only: 61 lines in the file, 104 expected lines missing

Invalid lines

improvedigital, 2343, RESELLER
singularads, 984415, RESELLER
Miniclip Missing Lines
singularads, 225023, RESELLER
start.io, smt, reselle
rubiconprojectcom, 25872, reseller, 0bfd66d529a55807
iqzone.com, IQ26, RESELLER lijit.com, 452742, RESELLER, fafdf38b16bf6b2b
peak226.com, 12908, RESELLER peak226.com, 12909, RESELLER
pubnative.net, 1007419, RESELLER, d641df8625486a7b rubiconproject.com, 19744, RESELLER, 0bfd66d529a55807
conversantmedia.com, 41896, RESELLER 03113cd04947736d
lijit.com, 513831, INTERMEDIARY, fafdf38b16bf6b2b
524ecb396915caaf
83e75a7ae333ca9d
inmobi.com, b67541e205aa49478ccf46794894e774, DIRECT, 83e75a7ae333ca9drubiconproject.com, 11726, RESELLER, 0bfd66d529a55807rubiconproject.com, 12266, RESELLER, 0bfd66d529a55807blis.com, 33, RESELLER,
ImproveDigital, 2343, RESELLER

Corrected file: toosmart.nl app-ads.txt (fixed).

FAQ

Does toosmart.nl have an app-ads.txt?

Yes — https://toosmart.nl/app-ads.txt has 6,835 lines (checked 20 Oct 2026).

Which ad networks does toosmart.nl work with?

Its app-ads.txt lists Google AdMob, Unity Ads, AppLovin, DT Exchange (Fyber), Mintegral, Chartboost, Vungle, InMobi, ironSource / LevelPlay, Bidmachine, Xandr (Microsoft), Criteo and 28 more.

toosmart.nl app-ads.txt check

Ad networks in toosmart.nl/app-ads.txt

Invalid lines

FAQ

Does toosmart.nl have an app-ads.txt?

Which ad networks does toosmart.nl work with?

Is the app-ads.txt of toosmart.nl correct?

Other checked domains

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