Block a buyer

You can block any agency, agency trading desk, and anyone who owns a seat within a DSP. All buyers are placed in the Allowed list by default, but you can choose to block any buyers that you don’t want to request demand from.

  1. Enter your email address and password to log in to the Index UI at If you don’t have login credentials, see Log in to the Index UI.

  2. If you have more than one account, select the account that you want to access.

  3. In the Index UI, go to Blocks & CampaignsBlocking Controls.

  4. In the Site ID drop-down list, select the site that you want to apply the blocks to.
  5. In the Campaign Blocking Options section, expand Buyer.
  6. Search for the buyer that you want to block.

  7. On the row corresponding to the buyer, click the green checkmark icon under the Status column to change the green checkmark to a red X.

  8. Click Update.

After you finish: Buyers can appear in both the Buyer and Advertiser Brand lists. If required, block the buyer in the advertiser brand section.