shell> curl --dump - http://localhost:8529/_api/collection/products/checksum
HTTP/1.1 200 OK
content-type: application/json; charset=utf-8
x-content-type-options: nosniff
{
"id" : "9197",
"name" : "products",
"isSystem" : false,
"status" : 3,
"type" : 2,
"checksum" : "16146989201476437959",
"revision" : "_VReqbl----",
"error" : false,
"code" : 200
}