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Creating ads for RTB line items

Last updated on February 7, 2018

If enabled, you can create ads for real-time bidding (RTBReal-time bidding, auctioning online inventory within an ad exchange. Buyers bid for the impression based on the value of the user, whereas the seller sets pricing floors and awards the impression to the highest bidder. The auction process takes place in milliseconds, which is why the process is referred to as “real-time.”) line items. For these line items, you specify the type of creativeThe media asset associated with an ad, such as an image or video file. to serve when the line itemThe primary unit of execution for an order, which represents a specific inventory purchase and the required conditions for ad delivery. wins an impressionA single display of an ad on a web page, mobile app, or other delivery medium. For deals, impression is a metric to relay the total number of ads that have served. See also billable impression, forecasted impressions.. The actual creative that serves for the ad is specified in real-time in the bid responseAfter evaluating a bid request, a real-time bidder’s communication to OpenX Ad Exchange, indicating if they’re interested in the impression, and if so, how much they’re willing to pay for it..


Before you can create an ad, you must set up an RTB line item.

Creating an ad for an RTB line item

To navigate to the Create Ad screen, open the RTB line item you want to create an ad for and click Create Ad. On the Create Ad screen:

  1. Enter a unique Name.

  2. Select a standard IAB Size.

  3. Select a Content Category.

    OpenX recommends that you select a value, such as Business or Shopping, to describe the content of the ad. If you select multiple values, and the publisherAn account type that represents a business with ad space to sell. blocks one of them, it will limit the number of bid requests you receive. Within a bid requestWhen OpenX Ad Exchange receives an ad request, it sends a communication containing details about the impression to selected real-time bidders to solicit bids for it., you will see the publisher's blocked categories to which you must adhere.

  4. Specify the Creative Type, or types, to serve when this ad's line item wins an impression, such as Image or Text.

  5. (Optional) Select the applicable Content Attribute, or attributes, to describe the ad's content, such as Political or Excessive Animation.

  6. Specify the ad's Language.

  7. (Optional) Enter an External IdentifierA free-form reference ID. For example, "Debbie's Account.".

  8. (Optional) In the Notes field, type additional information about your new ad.

  9. Click Create or Create & Add Another Ad.

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