In this tutorial, we will be making a simple product search engine. Using jQuery and PHP, we will tap into Google’s Shopping Search API and return a list of items available for purchase, along with prices, photos and other useful information. The Shopping Search API gives us direct access to Google’s large database of products and prices, obtained from partnering online stores. Another benefit to using this service, is that products are automatically ranked and filtered for us behind the scenes to better match with the user’s search query.
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