Search API is a Drupal module that provides a framework for easily creating searches on any entity known to Drupal, using any kind of search engine. It is an abstraction layer that allows site builders to create searches on any entity type, including nodes, users, and custom entities, without having to write complex database queries. It also provides a unified search interface for retrieving results from multiple search backends, such as Apache Solr, Elasticsearch, and Database Search.

Search API allows site builders to create searches with a variety of options, such as sorting, filtering, and faceted search. It also provides a unified search interface for retrieving results from multiple search backends, such as Apache Solr, Elasticsearch, and Database Search. Additionally, it provides a powerful API for developers to create custom searches and search integrations.

Search API is a powerful tool for creating custom searches and search integrations. It is an abstraction layer that allows site builders to create searches on any entity type, including nodes, users, and custom entities, without having to write complex database queries. Additionally, it provides a unified search interface for retrieving results from multiple search backends, such as Apache Solr, Elasticsearch, and Database Search.