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.

t87b3a0de.app-ads-txt.com app-ads.txt check

t87b3a0de.app-ads-txt.com is missing out on higher CPMs: its app-ads.txt has 1 invalid line. Buyers' crawlers skip invalid lines, so those sellers can't be verified.

Checked 20 Oct 2026. 122 lines, 121 unique records, 0 duplicates, 1 invalid lines, 16 ad networks detected.

Ad networks in t87b3a0de.app-ads-txt.com/app-ads.txt

Meta Audience Network — accounts 1037457652578443, 287966517274630: 2 lines in the file
Google AdMob — accounts pub-1546140221054789, pub-1776429886231685, pub-3038713320269212 and 6 more: 9 lines in the file
Sovrn — accounts 560797, 560797-eb: 2 lines in the file
Mintegral — partner (reseller) lines only: 25 lines in the file, 400 expected lines missing
Chartboost — partner (reseller) lines only: 29 lines in the file, 400 expected lines missing
InMobi — partner (reseller) lines only: 10 lines in the file, 261 expected lines missing
Yandex Ads — partner (reseller) lines only: 11 lines in the file, 157 expected lines missing
BIGO Ads — partner (reseller) lines only: 17 lines in the file, 400 expected lines missing
Yango Ads — partner (reseller) lines only: 38 lines in the file, 400 expected lines missing
DSP Exchange — partner (reseller) lines only: 80 lines in the file, 400 expected lines missing
Maticoo (zMaticoo) — partner (reseller) lines only: 10 lines in the file, 400 expected lines missing
Verve (PubNative) — partner (reseller) lines only: 17 lines in the file, 400 expected lines missing
HyprMX — partner (reseller) lines only: 10 lines in the file, 359 expected lines missing
CAS.ai — partner (reseller) lines only: 11 lines in the file, 154 expected lines missing
DSail — partner (reseller) lines only: 11 lines in the file, 154 expected lines missing
Bidmachine — partner (reseller) lines only: 25 lines in the file, 400 expected lines missing

Invalid lines

fyber.com, YOUR_DT_PUBLISHER_ID, DIRECT, 1ad675c9de6b5176

Corrected file: t87b3a0de.app-ads-txt.com app-ads.txt (fixed).

FAQ

Does t87b3a0de.app-ads-txt.com have an app-ads.txt?

Yes — https://t87b3a0de.app-ads-txt.com/app-ads.txt has 122 lines (checked 20 Oct 2026).

Which ad networks does t87b3a0de.app-ads-txt.com work with?

Its app-ads.txt lists Meta Audience Network, Google AdMob, Sovrn, Mintegral, Chartboost, InMobi, Yandex Ads, BIGO Ads, Yango Ads, DSP Exchange, Maticoo (zMaticoo), Verve (PubNative) and 4 more.

Is the app-ads.txt of t87b3a0de.app-ads-txt.com correct?