(VB.NET) UK Vehicle Data VRM Lookup

Demonstrates how to query the UK Vehicle Data VRM online API's. (See https://ukvehicledata.co.uk/)

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' This example requires the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim rest As New Chilkat.Rest

' Connect using TLS.
Dim bAutoReconnect As Boolean = True
Dim success As Boolean = rest.Connect("uk1.ukvehicledata.co.uk",443,True,bAutoReconnect)
If (success <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


' Replace UKVD-API-KEY with your actual API KEY,
' which looks something like "abcdb1234-0abc-1235-abcf-1234c3d1abcd"
rest.Authorization = "ukvd-ipwhitelist UKVD-API-KEY"

' Replace "ABCDE" with a real VRM...
rest.AddQueryParam("key_vrm","ABCDE")

' Add the Content-Type HTTP request header.
' success = rest.AddHeader("Content-Type","application/json; charset=UTF-8");

' This request gets vehicle data.
' See below for a request to get battery data.
Dim jsonResponseStr As String = rest.FullRequestNoBody("GET","/api/datapackage/vehicledata")
If (rest.LastMethodSuccess <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


If (rest.ResponseStatusCode <> 200) Then
    Debug.WriteLine("Response Status Code = " & rest.ResponseStatusCode)
    Debug.WriteLine(jsonResponseStr)
    Exit Sub
End If


Dim json As New Chilkat.JsonObject
json.Load(jsonResponseStr)
json.EmitCompact = False

' Show the JSON response.
Debug.WriteLine(json.Emit())

' A sample vehicledata response will be as shown below.
' To get a few bits of data from the response:
Debug.WriteLine("RequestGuid: " & json.StringOf("RequestGuid"))
Debug.WriteLine("EngineNumber: " & json.StringOf("DataItems.EngineNumber"))
Debug.WriteLine("Vrm: " & json.StringOf("DataKeys.Vrm"))

' {
'   "RequestGuid": "xxxxxxxx-cc72-4b63-xxxxxxxxxxxx",
'   "StatusCode": 0,
'   "StatusMessage": "Success",
'   "PackageId": "xxxxxxxx-a4bc-4a84-af22-xxxxxxxxxxxx",
'   "PackageVersion": 1,
'   "DataKeys": {
'     "Vrm": "ABCDE"
'   },
'   "DataItems": {
'     "DriveAxle": "4x2",
'     "Exported": "False",
'     "DriverSeatPosition": "RHD",
'     "EngineNumber": "LN910940728622",
'     "Class": "Sport",
'     "ImportedNorthernIreland": "False",
'     "HistoryPreviousKeeperAcquisitionDate": "2013-01-12",
'     "RoadFundLicenseSixMonth": "126.50",
'     "EnginePowerBhp": "262",
'     "SpecDateRangeFrom": "1987-10-01",
'     "RegistrationDateUK": "1994-08-03",
'     "SoundLevelDriveBy": "0",
'     "RoadFundLicenseTwelveMonth": "235.00",
'     "RoadFundLicenseBand": "Not available",
'     "Vrm": "J5YVK",
'     "TrimCode": "BA",
'     "Derivative": "S4",
'     "EngineSizeCc": "2174",
'     "EngineCylinderCount": "4",
'     "HistoryLatestV5cIssueDate": "2015-05-12",
'     "Category": "Car",
'     "HistoryPreviousKeeperCount": "9",
'     "ConditionScrapped": "False",
'     "EngineValveCount": "16",
'     "WeightUnladen": "0",
'     "RoadFundLicenseRenewalDate": "2017-04-01",
'     "Model": "Esprit",
'     "SpecDateRangeTo": "2003-06-01",
'     "RoadFundLicenseCurrentStatus": "Tax not due",
'     "BuildYear": "1994",
'     "BuildDate": "1994-12-31",
'     "VinLast4": "1448",
'     "GearCount": "5",
'     "SeatCount": "2",
'     "Make": "Lotus",
'     "Vin": "SCC082910RHA61448",
'     "ColourChangeCount": "0",
'     "DriveType": "Rear Wheel Drive",
'     "WeightGross": "0",
'     "EngineCode": "N/A",
'     "EnginePowerKw": "193",
'     "SoundLevelEngineSpeed": "0",
'     "ConditionUnscrapped": "False",
'     "HistoryPreviousKeeperDisposalDate": "2014-04-26",
'     "EngineAlignment": "Longitudinal",
'     "Imported": "False",
'     "BodyType": "Coupe",
'     "EnginePosition": "Mid",
'     "TransmissionType": "Manual",
'     "WeightFullyLaden": "0",
'     "SoundLevelStationary": "0",
'     "FuelType": "Petrol",
'     "Colour": "YELLOW",
'     "EngineSizeLitre": "2.2",
'     "RegistrationDate": "1994-08-03",
'     "Co2Emissions": "000",
'     "WeightMaxTowingUnbraked": "0",
'     "HistoryCurrentKeeperAcquisitionDate": "2015-04-25",
'     "WeightMaxTowingBraked": "0",
'     "DoorCount": "2",
'     "EngineCylinderConfig": "Inline",
'     "EngineFuelDelivery": "Turbo Injection"
'   }
' }

' -----------------------------------------------------------------------------------
' Now get battery data...
jsonResponseStr = rest.FullRequestNoBody("GET","/api/datapackage/batterydata")
If (rest.LastMethodSuccess <> True) Then
    Debug.WriteLine(rest.LastErrorText)
    Exit Sub
End If


If (rest.ResponseStatusCode <> 200) Then
    Debug.WriteLine("Response Status Code = " & rest.ResponseStatusCode)
    Debug.WriteLine(jsonResponseStr)
    Exit Sub
End If


json.Load(jsonResponseStr)

' Show the JSON response containing battery data.
Debug.WriteLine(json.Emit())

' To get a few pieces of information out of the response...
Dim numBatteries As Integer = json.SizeOfArray("DataItems.BatteryList")
Dim i As Integer = 0
While (i < numBatteries)
    json.I = i
    Debug.WriteLine("---- Battery " & i & ":")
    Debug.WriteLine("  Type = " & json.StringOf("DataItems.BatteryList[I].Type"))
    Debug.WriteLine("  LayoutImage = " & json.StringOf("DataItems.BatteryList[I].LayoutImage"))
    Debug.WriteLine("  TerminalCode = " & json.StringOf("DataItems.BatteryList[I].TerminalCode"))
    i = i + 1
End While

' The battery data looks like this:
' {
'   "RequestGuid": "xxxxxxxx-5030-4b3d-a2ed-xxxxxxxxxxxx",
'   "StatusCode": 0,
'   "StatusMessage": "Success",
'   "PackageId": "xxxxxxxx-9ec2-4fd3-9247-xxxxxxxxxxxx",
'   "PackageVersion": 1,
'   "DataKeys": {
'     "Vrm": "ABCDE"
'   },
'   "DataItems": {
'     "BatteryList": [
'       {
'         "Type": "Primary",
'         "UkRef": "075",
'         "LayoutCode": "0",
'         "LayoutImage": "http://cdn.ukvehicledata.co.uk/battery/layout/0.png",
'         "TerminalCode": "T1",
'         "TerminalImage": "http://cdn.ukvehicledata.co.uk/battery/terminal/T1.png",
'         "HoldDownCode": "B13",
'         "HoldDownImage": "http://cdn.ukvehicledata.co.uk/battery/holddown/B13.png"
'       }
'     ],
'     "BatteryCount": "1"
'   }
' }