Steps on How to Add Ads.txt in Blogger / BlogSpot Blogs

You can easily add Ads.txt on your Blogger blog, just go to your dashboard, then select Settings to enable the options.
If you’re selling other ads aside from Adsense, that ad network partner may require you to add and comply with the Ads.txt (Authorized Digital Sellers) initiative by the IAB. This is to ensure that a digital ad inventory is only sold and appear through authorized sellers such as Adsense,, Chitika, Ambient Digital and others. 
According to IAB Tech Lab, "The mission of the ads.txt project is simple: Increase transparency in the programmatic advertising ecosystem. Ads.txt stands for Authorized Digital Sellers and is a simple, flexible and secure method that publishers and distributors can use to publicly declare the companies they authorize to sell their digital inventory." 
Blogger Ads.txt

Add Ads.txt in Blogger Blogspot and Custom Domain

Adding Ads.txt requires access to the root of your domain or sub-domain if you are running on WordPress and other self-hosted websites where you can simply upload the text file in the index folder. For Blogger, you can easily add or install it without uploading or accessing the root folder.
  1. Sign in to Blogger.
  2. If you have multiple blog in your account. Click the blog you want to set up an ads.txt file on.
  3. On the left menu, click Settings.
  4. Under "Settings," click "Search preferences".
  5. On "Monetization," find "Custom ads.txt" and click "Edit".
  6. Select "Yes".
  7. Copy the Ads.txt settings from your third-party monetization provider then paste them in the text box.
  8. Click "Save settings".

If you are running on a custom domain with Blogger, Adsense Ads.txt is automatically added even if you leave the Custom ads.txt disabled. For other ad networks who want you to implement the ads.txt, just follow the above steps.
Adsense ads.txt sample format:, pub-0000000000000000, DIRECT, f08c47fec0942fa0

You have to replace pub-0000000000000000 with your own publisher ID. To check if you successfully added the ads.txt file to your blog site, just visit the or