A bid request is a request for a proposal from an advertiser or advertising agency to place an advertisement on a specific website or digital platform. The bid request typically includes information about the available ad space, such as the size and location of the ad, the target audience for the ad, and any other relevant details. The advertiser or agency will then respond to the bid request with a bid that outlines their offer, including the price they are willing to pay for the ad space and any other terms of the deal.
An ad request is a request from a user's web browser or mobile device to an ad server for an advertisement to be displayed on a website or app. The ad request typically includes information about the user, such as their location, browsing history, and other relevant details. This information is used by the ad server to determine which advertisements to serve to the user. The ad request may also include information about the available ad space on the website or app, such as the size and location of the ad. The ad server will then respond to the ad request with the selected advertisement, which will be displayed on the website or app.