Search APIs are tools that allow developers to quickly and seamlessly add powerful search capabilities to their web, mobile, and voice applications without being search experts. These APIs can help businesses gain valuable insights from user search data and provide end users with a search experience that meets their expectations. Site search benefits customers by guiding them to the products or content they are seeking and reducing trial and error in finding relevant results. Search API features like typo tolerance, autocomplete, federated search, filters/facets, and personalization help to quickly get end-users the results they need. Companies can also derive many benefits from site search, including improved product catalogs, more targeted content, and a better user experience overall.