shell> curl -X POST --data-binary @- --dump - http://localhost:8529/_api/index?collection=products
{"type":"cap","size":10}

HTTP/1.1 201 Created
content-type: application/json; charset=utf-8

{ 
  "id" : "products/1314940374", 
  "type" : "cap", 
  "unique" : false, 
  "size" : 10, 
  "byteSize" : 0, 
  "isNewlyCreated" : true, 
  "error" : false, 
  "code" : 201 
}