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.

tapfire.io app-ads.txt check

tapfire.io is missing out on higher CPMs: its app-ads.txt has 4 invalid lines and lists only 9,800 of the 11,524 lines its 26 ad networks expect (15% missing). Unlisted sellers can't be verified, so buyers bid less or skip the inventory.

Checked 19 Oct 2026. 6,016 lines, 5,052 unique records, 955 duplicates, 4 invalid lines, 37 ad networks detected.

Ad networks in tapfire.io/app-ads.txt

Bidmachine — accounts 1577, 200: 400 lines in the file, 378 expected lines missing
Sovrn — accounts 411915, 563477, 594162 and 4 more: 7 lines in the file
Maticoo (zMaticoo) — account 5135063: 280 lines in the file, 165 expected lines missing
InMobi — accounts ddb41d8a9f434a918d05a0fc9999d9f9, 7cf0842b5d0b4f4f94838a59bea0e07e, 7877802caca040ae81dacb2d9c9d675b: 212 lines in the file, 62 expected lines missing
PubMatic — account 95054: 1 line in the file
OpenX — accounts 563905670, 564921063: 2 lines in the file
TripleLift — accounts 6998, 14146: 2 lines in the file
CAS.ai — accounts b5a73ae1, babe9c54: 158 lines in the file, 7 expected lines missing
BlueSea — account 204037: 25 lines in the file, 13 expected lines missing
Start.io — account 117514417: 124 lines in the file, 34 expected lines missing
Smaato — account 1100057812: 1 line in the file
Meta Audience Network — account 603584787655862: 1 line in the file
AppLovin — accounts 9eaf9ad6dc92d5fcn6f47c30168fb8fq, 7af2478ea3f81a9b227bb5db58e7bdaf: 37 lines in the file
Google AdMob — accounts pub-5299903009188709, pub-7112055678212370, pub-3803436775068007: 3 lines in the file
ironSource / LevelPlay — accounts 548269, 337593: 111 lines in the file, 16 expected lines missing
Yandex Ads — account 110464627: 169 lines in the file
Magnite (Rubicon) — accounts 26442, 26440: 2 lines in the file
Mintegral — account 45027: 400 lines in the file
Unity Ads — account 4465690: 146 lines in the file, 15 expected lines missing
BIGO Ads — account 23168801: 400 lines in the file, 29 expected lines missing
Chartboost — accounts 5f7e47c4c25bfb0a2c327c51, 674ffc61d3c6cac9f00bfeb3: 400 lines in the file, 1 expected line missing
DT Exchange (Fyber) — accounts 72f86b7b2cf74bd4b1a776f1a4dc2f7c, 231469: 400 lines in the file, 13 expected lines missing
Verve (PubNative) — account 1018176: 400 lines in the file, 400 expected lines missing
Liftoff Monetize (Vungle) — account 6641bc5b8ffbbf0011f15ca4: 365 lines in the file, 26 expected lines missing
Xandr (Microsoft) — account 10815: 1 line in the file
Yango Ads — account 110464627: 400 lines in the file, 400 expected lines missing
VK Ads (myTarget) — partner (reseller) lines only: 101 lines in the file, 43 expected lines missing
Bidease — partner (reseller) lines only: 39 lines in the file, 10 expected lines missing
Display.io — partner (reseller) lines only: 15 lines in the file, 17 expected lines missing
DSP Exchange — partner (reseller) lines only: 334 lines in the file, 227 expected lines missing
Madex — partner (reseller) lines only: 5 lines in the file, 13 expected lines missing
Monetrix — partner (reseller) lines only: 65 lines in the file, 28 expected lines missing
Prado — partner (reseller) lines only: 20 lines in the file, 7 expected lines missing
Ogury — partner (reseller) lines only: 9 lines in the file, 8 expected lines missing
HyprMX — partner (reseller) lines only: 224 lines in the file, 145 expected lines missing
Kidoz — partner (reseller) lines only: 16 lines in the file, 6 expected lines missing
DSail — partner (reseller) lines only: 158 lines in the file, 7 expected lines missing

Invalid lines

lemmatechnologies,1844,RESELLER
pangleglobal.com, Account ID, DIRECT
app-ads.txt
Displaying app-ads.txt.

Corrected file: tapfire.io app-ads.txt (fixed).

FAQ

Does tapfire.io have an app-ads.txt?

Yes — https://tapfire.io/app-ads.txt has 6,016 lines (checked 19 Oct 2026).

Which ad networks does tapfire.io work with?

Its app-ads.txt lists Bidmachine, Sovrn, Maticoo (zMaticoo), InMobi, PubMatic, OpenX, TripleLift, CAS.ai, BlueSea, Start.io, Smaato, Meta Audience Network and 25 more.

tapfire.io app-ads.txt check

Ad networks in tapfire.io/app-ads.txt

Invalid lines

FAQ

Does tapfire.io have an app-ads.txt?

Which ad networks does tapfire.io work with?

Is the app-ads.txt of tapfire.io correct?

Other checked domains

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