shell> curl -X POST --data-binary @- --dump - http://localhost:8529/_api/query
{ "query" : "FOR p IN products FILTER p.name = @name LIMIT 2 RETURN p.n" }

HTTP/1.1 400 Bad Request
content-type: application/json; charset=utf-8

{ 
  "error" : true, 
  "code" : 400, 
  "errorNum" : 1501, 
  "errorMessage" : "syntax error, unexpected assignment near '= @name LIMIT 2 RETURN p.n' at position 1:33" 
}