Dealing with Amazon Product Advertising API Throttle limits

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For those of you who use the Amazon Product Advertising API, what experience have you had with running into their throttle? Supposedly, the limit is set at 1 request per second, is that your experience?

I want my site to grow to be nation-wide, but I'm concerned about its capability to make all the Amazon API requests without getting throttled. We cache all the responses for 24 hours, and also throttle our own users who make too many searches within a short period.

Should I be concerned? Any suggestions?

4 Answers

They have updated their guidelines, you now have more requests when you sell more items.

Effective 23-Jan-2019, the request limit for each account is calculated based on revenue performance attributed to calls to the Product Advertising API (PA API) during the last 30 days.

Each account used for Product Advertising API is allowed an initial usage limit of 8640 requests per day (TPD) subject to a maximum of 1 request per second (TPS). Your account will receive an additional 1 TPD for every 5 cents or 1 TPS (up to a maximum of 10) for every $4320 of shipped item revenue generated via the use of Product Advertising API for shipments in the last 30 days.

Source: https://docs.aws.amazon.com/AWSECommerceService/latest/DG/TroubleshootingApplications.html

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