Filters documents that only have the provided ids. Note, this query uses the _uid field.

GET /_search
{
    "query": {
        "ids" : {
            "type" : "my_type",
            "values" : ["1", "4", "100"]
        }
    }
}

The type is optional and can be omitted, and can also accept an array of values. If no type is specified, all types defined in the index mapping are tried.