Price Checker 2 version 3.0.0 will for the first time use the new Amazon Selling Partner API.

Due to significant differences between the old MWS API and the new SP-API, here are some highlights of changes:

Speed considerations

• The basic lookup speed remains at 5 products per second (~~18000/hour).

• Search is faster than before for most users (5 queries per second instead of previously 1 query per 5 seconds).

• Offer data no longer requires historical data, which makes it faster, however, accessing N different conditions (New, Used, etc) will impact throughput. This is because offers for each condition need to be queried separately leading to a Nx reduction in speed. (Used+New = half speed). There will be a new settings page to control this aspect.

• Speed is set per user. This means that you may exceed these guideline speeds

Fees

Fees are provided directly by the Amazon API, which means that they will be and remain accurate at all times.

However, some inferred data points such as “Max cost to 0” or “AMZ price to BE” may no longer be 100% precise depending on the category, and changing the reference offer in Excel (post-run) may not provide cent-accuracy either.

Historical Data no longer required

The following data points will no longer require historical data:

Changes to individual columns

Other changes

• Keyword searches with up to 1000 results no longer require the browser (Explore automatic translation from website to API, to reduce browser usage!)

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Version Specific Notes