Google custom search

This search engine is powered by Google Search and uses a JSON API. It can search for articles but also for PDF files and other assets on your site. You can create for free a custom search engine for your site at https://programmablesearchengine.google.com. Note that free accounts have a limitation of 100 searches per day. Also note that Google custom search will return a maximum of 100 results (10 pages). The engine has many configuration options. To start visit https://programmablesearchengine.google.com to create your engine and get an API Key and an Engine ID (cx).