Action Details
Requirements and how-to articles for Amazon's action:

paid action
Amazon DSP is a demand-side platform that enables advertisers to programmatically buy display and video ads at scale. Businesses do not need to sell products on Amazon to use Amazon DSP.

Requirements
You need this to get it done:

Contact Amazon Ad Consultant
To register for Amazon DSP, contact an Amazon ad consultant.
CPM (Cost Per Thousand)
Amazon DSP differs from PPC ads, and instead uses a CPM (cost per thousand impressions) model.
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How-To Articles
A list of useful links for you:

0
Amazon Advertising - Amazon DSP
Information about Amazon DSP.
Official
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