(VB.NET UWP/WinRT) Shippo Create Transaction Object

Creates a Transaction object that represents a shipping label purchase and is based on the shipping rate.

For more information, see https://goshippo.com/docs/shipping-labels/

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

Dim http As New Chilkat.Http
Dim success As Boolean

' Implements the following CURL command:

' curl https://api.goshippo.com/transactions \
'     -H "Authorization: ShippoToken <API_TOKEN>" \
'     -d rate="478fb066930e4e3195a3686f7ea5b612"
'     -d label_file_type="PDF"
'     -d async=false

Dim req As New Chilkat.HttpRequest
req.HttpVerb = "POST"
req.Path = "/transactions"
req.ContentType = "application/x-www-form-urlencoded"
req.AddParam("rate","478fb066930e4e3195a3686f7ea5b612")
req.AddParam("label_file_type","PDF")
req.AddParam("async","false")

req.AddHeader("Authorization","ShippoToken <API_TOKEN>")

Dim resp As Chilkat.HttpResponse = Await http.PostUrlEncodedAsync("https://api.goshippo.com/transactions",req)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Dim sbResponseBody As New Chilkat.StringBuilder
resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode >= 400) Then
    Debug.WriteLine("Response Header:")
    Debug.WriteLine(resp.Header)
    Debug.WriteLine("Failed.")

    Exit Sub
End If



' Sample JSON response:
' (Sample code for parsing the JSON response is shown below)

' {
'   "object_state": "VALID",
'   "status": "SUCCESS",
'   "object_created": "2019-06-28T18:04:08.679Z",
'   "object_updated": "2019-06-28T18:04:10.516Z",
'   "object_id": "6178e155da304f10aa4b4271fdca84fb",
'   "object_owner": "admin@chilkatsoft.com",
'   "test": true,
'   "rate": "dd7556c284e8444294d2ab7099e662d2",
'   "tracking_number": "92701902416755000000000015",
'   "tracking_status": "UNKNOWN",
'   "eta": null,
'   "tracking_url_provider": "https://tools.usps.com/go/TrackConfirmAction_input?origTrackNum=92701902416755000000000015",
'   "label_url": "https://shippo-delivery-east.s3.amazonaws.com/6178e155da304f10aa4b4271fdca84fb.pdf?Signature=1LU0Qf11nQJGei%2FeLZr%2BQ5EwJS4%3D&Expires=1593281050&AWSAccessKeyId=AKIAJGLCC5MYLLWIG42A",
'   "commercial_invoice_url": null,
'   "messages": [
'   ],
'   "order": null,
'   "metadata": "",
'   "parcel": "5af766ff15684a4186b0e3c833348fac",
'   "billing": {
'     "payments": [
'     ]
'   }
' }

' Sample code for parsing the JSON response...
' Use the following online tool to generate parsing code from sample JSON:
' Generate Parsing Code from JSON




Dim object_state As String = jResp.StringOf("object_state")
Dim status As String = jResp.StringOf("status")
Dim object_created As String = jResp.StringOf("object_created")
Dim object_updated As String = jResp.StringOf("object_updated")
Dim object_id As String = jResp.StringOf("object_id")
Dim object_owner As String = jResp.StringOf("object_owner")
Dim test As Boolean = jResp.BoolOf("test")
Dim rate As String = jResp.StringOf("rate")
Dim tracking_number As String = jResp.StringOf("tracking_number")
Dim tracking_status As String = jResp.StringOf("tracking_status")
Dim eta As String = jResp.StringOf("eta")
Dim tracking_url_provider As String = jResp.StringOf("tracking_url_provider")
Dim label_url As String = jResp.StringOf("label_url")
Dim commercial_invoice_url As String = jResp.StringOf("commercial_invoice_url")
Dim order As String = jResp.StringOf("order")
Dim metadata As String = jResp.StringOf("metadata")
Dim parcel As String = jResp.StringOf("parcel")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("messages")
While i < count_i
    jResp.I = i
    i = i + 1
End While
i = 0
count_i = jResp.SizeOfArray("billing.payments")
While i < count_i
    jResp.I = i
    i = i + 1
End While