IAB Tech Lab offers access to an aggregation of ads.txt, app-ads.txt and sellers.json files published around the internet.
The ads/app-ads/sellers aggregator is now a part of the IAB Tech Lab’s Transparency Center.
IAB Tech Lab currently offers ads.txt, app-ads.txt and sellers.json aggregated data sets, along with other supply chain data in the Transparency Center
The aggregation is the result of regular internet-wide crawls of ads.txt, app-ads.txt and sellers.json files.
IAB Tech Lab’s aggregator includes comprehensive notification codes to help ensure adherence to the specification
The aggregation is provided as a wholesale replacement to managing your own crawler. You may choose to use IAB Tech Lab’s aggregation to supplement your own research.
API Access is available to Transparency Center Supply Chain API subscribers
We continue to work to lower the cost of this data to the industry. As of August 2021, the Transparency Center Supply Chain APIs are $2500 for IAB Tech Lab Members and $4500 for non-members.
Subscription to the aggregation tool is for 1 year starting on the Effective date, and will automatically renew for the next year.
The subscription may be purchased via credit card within the Tech Lab Tools Portal. Click on “Transparency Center” and then in the left hand navigation, API Access.
The ads.txt/app-ads.txt and sellers.json specifications
ads.txt Aggregated Files – The Easy Way to Fight Fraud (blog post)
Transparency Center overview