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.

surfline.com app-ads.txt check

surfline.com is missing out on higher CPMs: its app-ads.txt lists only 385 of the 3,025 lines its 21 ad networks expect (87% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 20 Oct 2026. 785 lines, 660 unique records, 45 duplicates, 0 invalid lines, 33 ad networks detected.

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

Google AdMob — accounts pub-3605257360853185, pub-1882447046270185, pub-6708589877934833 and 3 more: 6 lines in the file
Amazon Publisher Services — accounts 74a082e4-95c3-4471-a2d9-2b6514a5e66f, 3161: 2 lines in the file
Magnite (Rubicon) — accounts 16924, 17486, 18038 and 1 more: 4 lines in the file
TripleLift — accounts 4796, 6943-EB, 6943 and 4 more: 7 lines in the file
AppLovin — account e48211cb548c4dd57f556b6184bec8a2: 34 lines in the file, 2 expected lines missing
Criteo — accounts B-061740, B-062460: 2 lines in the file
DT Exchange (Fyber) — account 219134: 44 lines in the file, 400 expected lines missing
HyprMX — account 25021975349: 33 lines in the file, 337 expected lines missing
Index Exchange — accounts 184310, 193334, 186431 and 4 more: 7 lines in the file
InMobi — accounts 44ce8dca19d54696bbb793d4607fecb0, c4c4b1340b344df4b5e50f3fb67164f1: 99 lines in the file, 174 expected lines missing
Meta Audience Network — accounts 227267906223183, 284576831882570: 2 lines in the file
TikTok Ad Network (Pangle) — account 81148: 1 line in the file
PubMatic — accounts 157235, 159149, 157233 and 1 more: 4 lines in the file
Smaato — accounts 1100056286, 1100056696, 1100037363: 3 lines in the file
Verve (PubNative) — accounts 1008292, 1007655, 1009047: 55 lines in the file, 400 expected lines missing
Unity Ads — account 2285393: 23 lines in the file, 138 expected lines missing
Vungle — account 5e1de38c93b6780018c8c9ca: 56 lines in the file, 304 expected lines missing
Yahoo — accounts 57139, 54990, 57142: 3 lines in the file
OpenX — accounts 543843849, 537121509, 537150288 and 2 more: 5 lines in the file
Sovrn — accounts 24906, 24906-eb: 2 lines in the file
Xandr (Microsoft) — account 7053: 1 line in the file
Mintegral — partner (reseller) lines only: 92 lines in the file, 400 expected lines missing
ironSource / LevelPlay — partner (reseller) lines only: 16 lines in the file, 109 expected lines missing
Chartboost — partner (reseller) lines only: 74 lines in the file, 400 expected lines missing
Yandex Ads — partner (reseller) lines only: 12 lines in the file, 156 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 22 lines in the file, 122 expected lines missing
BIGO Ads — partner (reseller) lines only: 46 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 226 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 79 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 36 lines in the file, 400 expected lines missing
Ogury — partner (reseller) lines only: 4 lines in the file, 13 expected lines missing
Start.io — partner (reseller) lines only: 13 lines in the file, 144 expected lines missing
Bidmachine — partner (reseller) lines only: 69 lines in the file, 400 expected lines missing

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

FAQ

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

Yes — https://surfline.com/app-ads.txt has 785 lines (checked 20 Oct 2026).

Which ad networks does surfline.com work with?

Its app-ads.txt lists Google AdMob, Amazon Publisher Services, Magnite (Rubicon), TripleLift, AppLovin, Criteo, DT Exchange (Fyber), HyprMX, Index Exchange, InMobi, Meta Audience Network, TikTok Ad Network (Pangle) and 21 more.

surfline.com app-ads.txt check

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

FAQ

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

Which ad networks does surfline.com work with?

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

Other checked domains

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