#!/usr/bin/python import json import requests def updateWeight(url, data): res = requests.post(url, data=data, headers={'Content-Type': 'application/json'}) responseContent = res.content j = json.loads(responseContent) return j sandbox_url = "https://sandbox.unixus.com.my/api/EzLabel/Client/Shipments.svc/Json/UpdateShipmentWeightList" production_url = "https://api.unixus.com.my/EzLabel/Client/Shipments.svc/Json/UpdateShipmentWeightList" request_data = { "request" : { "ShipmentsCredentials" : { "CultureType" : "1", "Password" : "password", "UserName" : "username" }, "ShipmentWeightList" : [ { "HawbNo" : "344010500000151", "Weight" : 88.3 } ] } } resData = updateWeight(sandbox_url, json.dumps(request_data)) print(resData)