What do I need to get Amazon product feeds?
To generate self-updating feeds with Amazon affiliate products you need to use Amazon Feeds tool. See user guide.
To successfully generate Amazon feeds you need your list of targeted keywords and personal Amazon credentials.
Amazon credentials include: Amazon Access Key, Amazon Secret Key, Amazon Associates ID
To obtain all needed Amazon credentials and be able to generate Amazon feeds you need to sign up for Amazon affiliate program and to Amazon product advertising API.
See our step by step tutorial on how to sign up for Amazon services