What is app-ads.txt?

It is ads.txt for mobile apps. App-ads.txt is an extension of the IAB ads.txt initiative launched for websites in 2017.
Authorized Digital Sellers for Mobile Apps (app-ads.txt) has been released by the IAB to allow mobile app publishers
to publicly declare the specific advertising systems which are authorized to sell their digital advertising inventory.

How does app-ads.txt work for mobile apps?

App-ads.txt is a plain text file hosted on the domain of the app developer's website to identify the authorized digital sellers.
This method allows advertisers to trust that they are buying authentic app inventory. Buyers that bid on app inventory can
use the app-ads.txt which has been declared by the app developer on their website in order to verify that their impressions come from authorized sellers.

How to set up app-ads.txt?

1.You must inform the app developer for the app-ads.txt implementation.
2.The developers must run or publish their own website.
3.Ensure URL of the developer’s website is listed on the information of the application inside the app store.
4.Get your app-ads.txt
 You can get your ads.txt in AdView by email: partner@adview.com or click here to view it.
5.Implement and publish an app-ads.txt file on the developer’s website.
 The file name should be set as “app-ads.txt”.
 For each app, there must be app-ads.txt which can be accessed from：
http(s)://{your developer website url}/app-ads.txt