(VB.NET) Shippo Create the Shipment, Get Rates, and Purchase Label

Demonstrates how retrieve rates and create labels for international shipments.

For more information, see https://goshippo.com/docs/international/

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' 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/customs/declarations/ \
'     -H "Authorization: ShippoToken <API_TOKEN>" \
'     -H "Content-Type: application/json"  \
'     -d '{          
'           "contents_type": "MERCHANDISE",
'           "non_delivery_option": "RETURN",
'           "certify": true,
'           "certify_signer": "Simon Kreuz",
'           "incoterm": "DDU",
'           "items": [{
'                     "description": "T-shirt",
'                     "quantity": 20,
'                     "net_weight": "5",
'                     "mass_unit": "lb",
'                     "value_amount": "200",
'                     "value_currency": "USD",
'                     "tariff_number": "",
'                     "origin_country": "US"
'             }]
'     }'

' Use this online tool to generate code from sample JSON:
' Generate Code to Create JSON

' The following JSON is sent in the request body.

' {
'   "contents_type": "MERCHANDISE",
'   "non_delivery_option": "RETURN",
'   "certify": true,
'   "certify_signer": "Simon Kreuz",
'   "incoterm": "DDU",
'   "items": [
'     {
'       "description": "T-shirt",
'       "quantity": 20,
'       "net_weight": "5",
'       "mass_unit": "lb",
'       "value_amount": "200",
'       "value_currency": "USD",
'       "tariff_number": "",
'       "origin_country": "US"
'     }
'   ]
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("contents_type","MERCHANDISE")
json.UpdateString("non_delivery_option","RETURN")
json.UpdateBool("certify",True)
json.UpdateString("certify_signer","Simon Kreuz")
json.UpdateString("incoterm","DDU")
json.UpdateString("items[0].description","T-shirt")
json.UpdateInt("items[0].quantity",20)
json.UpdateString("items[0].net_weight","5")
json.UpdateString("items[0].mass_unit","lb")
json.UpdateString("items[0].value_amount","200")
json.UpdateString("items[0].value_currency","USD")
json.UpdateString("items[0].tariff_number","")
json.UpdateString("items[0].origin_country","US")

http.SetRequestHeader("Authorization","ShippoToken <API_TOKEN>")
http.SetRequestHeader("Content-Type","application/json")

Dim resp As Chilkat.HttpResponse = http.PostJson3("https://api.goshippo.com/customs/declarations/","application/json",json)
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_created": "2014-07-17T00:04:06.163Z",
'   "object_updated": "2014-07-17T00:04:06.163Z",
'   "object_id": "89436997a794439ab47999701e60392e",
'   "object_owner": "shippotle@goshippo.com",
'   "status": "SUCCESS",
'   "address_from": {
'     "object_id": "0943ae4e373e4120a99c337e496dcce8",
'     "validation_results": {},
'     "is_complete": true,
'     "company": "",
'     "street_no": "",
'     "name": "Mr. Hippo",
'     "street1": "215 Clayton St.",
'     "street2": "",
'     "city": "San Francisco",
'     "state": "CA",
'     "zip": "94117",
'     "country": "US",
'     "phone": "+15553419393",
'     "email": "support@goshippo.com",
'     "is_residential": null
'   },
'   "address_to": {
'     "object_id": "4c7185d353764d0985a6a7825aed8ffb",
'     "validation_results": {},
'     "is_complete": true,
'     "name": "Mrs. Hippo",
'     "street1": "200 University Ave W",
'     "city": "Waterloo",
'     "state": "ON",
'     "zip": "N2L 3G1",
'     "country": "CA",
'     "phone": "+1 555 341 9393",
'     "email": "support@goshippo.com",
'     "is_residential": false
'   },
'   "address_return": null,
'   "parcels": [
'     {
'       "object_id": "ec952343dd4843c39b42aca620471fd5",
'       "object_created": "2013-12-01T06:24:21.121Z",
'       "object_updated": "2013-12-01T06:24:21.121Z",
'       "object_owner": "shippotle@goshippo.com",
'       "template": null,
'       "length": "5",
'       "width": "5",
'       "height": "5",
'       "distance_unit": "in",
'       "weight": "2",
'       "mass_unit": "lb",
'       "value_amount": null,
'       "value_currency": null,
'       "metadata": "",
'       "line_items": [
'       ],
'       "test": true
'     }
'   ],
'   "shipment_date": "2013-12-03T12:00:00Z",
'   "extra": {
'     "insurance": {
'       "currency": "",
'       "amount": ""
'     },
'     "reference_1": "",
'     "reference_2": ""
'   },
'   "customs_declaration": "b741b99f95e841639b54272834bc478c",
'   "rates": [
'     {
'       "object_created": "2014-07-17T00:04:06.263Z",
'       "object_id": "545ab0a1a6ea4c9f9adb2512a57d6d8b",
'       "object_owner": "shippotle@goshippo.com",
'       "shipment": "89436997a794439ab47999701e60392e",
'       "attributes": [
'       ],
'       "amount": "5.50",
'       "currency": "USD",
'       "amount_local": "5.50",
'       "currency_local": "USD",
'       "provider": "USPS",
'       "provider_image_75": "https://cdn2.goshippo.com/providers/75/USPS.png",
'       "provider_image_200": "https://cdn2.goshippo.com/providers/200/USPS.png",
'       "servicelevel": {
'         "name": "Priority Mail",
'         "token": "usps_priority",
'         "terms": ""
'       },
'       "days": 2,
'       "arrives_by": null,
'       "duration_terms": "Delivery in 1 to 3 business days.",
'       "messages": [
'       ],
'       "carrier_account": "078870331023437cb917f5187429b093",
'       "test": false,
'       "zone": 1
'     },
'     ...
'   ],
'   "carrier_accounts": [
'   ],
'   "messages": [
'   ],
'   "metadata": "Customer ID 123456"
' }

' 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 template As String
Dim length As String
Dim width As String
Dim height As String
Dim distance_unit As String
Dim weight As String
Dim mass_unit As String
Dim value_amount As String
Dim value_currency As String
Dim test As Boolean
Dim j As Integer
Dim count_j As Integer
Dim intVal As Integer

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 status As String = jResp.StringOf("status")
Dim address_fromObject_id As String = jResp.StringOf("address_from.object_id")
Dim address_fromIs_complete As Boolean = jResp.BoolOf("address_from.is_complete")
Dim address_fromCompany As String = jResp.StringOf("address_from.company")
Dim address_fromStreet_no As String = jResp.StringOf("address_from.street_no")
Dim address_fromName As String = jResp.StringOf("address_from.name")
Dim address_fromStreet1 As String = jResp.StringOf("address_from.street1")
Dim address_fromStreet2 As String = jResp.StringOf("address_from.street2")
Dim address_fromCity As String = jResp.StringOf("address_from.city")
Dim address_fromState As String = jResp.StringOf("address_from.state")
Dim address_fromZip As String = jResp.StringOf("address_from.zip")
Dim address_fromCountry As String = jResp.StringOf("address_from.country")
Dim address_fromPhone As String = jResp.StringOf("address_from.phone")
Dim address_fromEmail As String = jResp.StringOf("address_from.email")
Dim address_fromIs_residential As String = jResp.StringOf("address_from.is_residential")
Dim address_toObject_id As String = jResp.StringOf("address_to.object_id")
Dim address_toIs_complete As Boolean = jResp.BoolOf("address_to.is_complete")
Dim address_toName As String = jResp.StringOf("address_to.name")
Dim address_toStreet1 As String = jResp.StringOf("address_to.street1")
Dim address_toCity As String = jResp.StringOf("address_to.city")
Dim address_toState As String = jResp.StringOf("address_to.state")
Dim address_toZip As String = jResp.StringOf("address_to.zip")
Dim address_toCountry As String = jResp.StringOf("address_to.country")
Dim address_toPhone As String = jResp.StringOf("address_to.phone")
Dim address_toEmail As String = jResp.StringOf("address_to.email")
Dim address_toIs_residential As Boolean = jResp.BoolOf("address_to.is_residential")
Dim address_return As String = jResp.StringOf("address_return")
Dim shipment_date As String = jResp.StringOf("shipment_date")
Dim extraInsuranceCurrency As String = jResp.StringOf("extra.insurance.currency")
Dim extraInsuranceAmount As String = jResp.StringOf("extra.insurance.amount")
Dim extraReference_1 As String = jResp.StringOf("extra.reference_1")
Dim extraReference_2 As String = jResp.StringOf("extra.reference_2")
Dim customs_declaration As String = jResp.StringOf("customs_declaration")
Dim metadata As String = jResp.StringOf("metadata")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("parcels")
While i < count_i
    jResp.I = i
    object_id = jResp.StringOf("parcels[i].object_id")
    object_created = jResp.StringOf("parcels[i].object_created")
    object_updated = jResp.StringOf("parcels[i].object_updated")
    object_owner = jResp.StringOf("parcels[i].object_owner")
    template = jResp.StringOf("parcels[i].template")
    length = jResp.StringOf("parcels[i].length")
    width = jResp.StringOf("parcels[i].width")
    height = jResp.StringOf("parcels[i].height")
    distance_unit = jResp.StringOf("parcels[i].distance_unit")
    weight = jResp.StringOf("parcels[i].weight")
    mass_unit = jResp.StringOf("parcels[i].mass_unit")
    value_amount = jResp.StringOf("parcels[i].value_amount")
    value_currency = jResp.StringOf("parcels[i].value_currency")
    metadata = jResp.StringOf("parcels[i].metadata")
    test = jResp.BoolOf("parcels[i].test")
    j = 0
    count_j = jResp.SizeOfArray("parcels[i].line_items")
    While j < count_j
        jResp.J = j
        j = j + 1
    End While
    i = i + 1
End While
i = 0
count_i = jResp.SizeOfArray("rates")
While i < count_i
    jResp.I = i
    intVal = jResp.IntOf("rates[i]")
    j = 0
    count_j = jResp.SizeOfArray("rates[i].attributes")
    While j < count_j
        jResp.J = j
        j = j + 1
    End While
    j = 0
    count_j = jResp.SizeOfArray("rates[i].messages")
    While j < count_j
        jResp.J = j
        j = j + 1
    End While
    i = i + 1
End While
i = 0
count_i = jResp.SizeOfArray("carrier_accounts")
While i < count_i
    jResp.I = i
    i = i + 1
End While
i = 0
count_i = jResp.SizeOfArray("messages")
While i < count_i
    jResp.I = i
    i = i + 1
End While