Swift

Swift NSURLSession

import Foundation

let headers = [
  "content-type": "application/json"
]
let parameters = [
  "token": "c2a0b6221c5dd55ceb09ae1f74e46521756d",
  "priority ": 0,
  "application": "2",
  "sleep": 0,
  "globalmessage": "",
  "globalmedia": "",
  "data": [
    [
      "number": "1212",
      "message": "Test"
    ]
  ]
] as [String : Any]

let postData = JSONSerialization.data(withJSONObject: parameters, options: [])

let request = NSMutableURLRequest(url: NSURL(string: "https://pickyassist.com/app/api/v2/push")! as URL,
                                        cachePolicy: .useProtocolCachePolicy,
                                    timeoutInterval: 10.0)
request.httpMethod = "POST"
request.allHTTPHeaderFields = headers
request.httpBody = postData as Data

let session = URLSession.shared
let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in
  if (error != nil) {
    print(error)
  } else {
    let httpResponse = response as? HTTPURLResponse
    print(httpResponse)
  }
})

dataTask.resume()