Best Recommendation APIs for Drupal

Search.io is reengineering search to give developers the tools to create intelligent searches in hours and not months. Search.io optimizes search results automatically based on customer data and business data. Developers can implement advanced capabilities such as A/B testing and reinforcement learning in just a few lines. This is a significant improvement over the months it would take to implement. Search.io allows thousands of businesses to offer highly-intelligent searches on their websites, stores, or applications.