For those stopped by a 403 error on PA-API: 5 things I wish I had known before moving to the Creators API

For those of you fetching Amazon product information via API, have you seen this response recently?HTTP 403 Forbidden Product ...
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EXCLUSIVE: Amazon Scraps Planned API Fees After Backlash From Tech Firms

Amazon has reversed plans to charge third-party adtech vendors for API calls, eliciting a chorus of cheers from Amazon-focused developers and agencies. In a message to Selling Partner API (SP-API) ...