// AppDelegate.swift

import SwiftyFetch

Fetch.shared.setBaseUrl("https://jsonplaceholder.typicode.com/")
Fetch.shared.setAPIKey("xxxxxxxxxxxxxxxxxxxx")

UserDefaults.standard.set("accessToken", forKey: "xxxxxxxxxxxxxxxxxxxx") // <- for testing; should be set by your auth controller
if let accessToken = UserDefaults.standard.value(forKey: "accessToken") as? String {
    Fetch.shared.setToken(accessToken)
}

// ViewController.swift

import SwiftyFetch

Fetch.shared.request("posts", method: "POST", body: ["limit": 25]) { result in
    switch result {
    case .success(let response):
        if response.ok {
            let json = response.json
            print("JSON: \(json)")
        } else {
            print("HTTP: \(response.status), \(response.statusText)")
        }
    case .failure(let error):
        print(error)
    }
}

response.status // HTTP status code
response.statusText // HTTP status description
response.ok // true if 200
response.headers // HTTP headers
response.url // full requested URL
response.text // string representation of response data
response.json // JSON response data