`GET /$INDEX/_search` ```json { "query": { "query_string": { // optional limit: "fields": [ "headline", "body" ], "query": "my wildcard query string here" } } } ``` See the [query string syntax](https://www.elastic.co/guide/en/elasticsearch/reference/current/query-dsl-query-string-query.html#query-string-syntax) for the capabilities it has.