Api.swift

import ws
import then   // Needed to import Promise Type
import Arrow  // Needed to import JSON Type

let api = Api() // Define global api

struct Api {
    
    // Connect to the base URL
    private let ws = WS("http://jsonplaceholder.typicode.com")
    
    // Declare your route and what you want back, here some JSON
    func getUsers() -> Promise<JSON> {
        return ws.get("/users")
    }
}