There was an unexpected error authorizing you. Please try again.

Ads.txt Aggregator

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.

What Is It?

  • 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

View Sample Aggregation File 

View Error Code Documentation 

How Much Is It?

  • 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. 

Other Resources