(VB.NET UWP/WinRT) Amazon Pay - Create Delivery Tracker

See more Amazon Pay Examples

Create a Delivery Tracker once an order has been shipped and a tracking code has been generated.

Note: This example requires Chilkat v9.5.0.89 or later. Contact support@chilkatsoft.com to get a v9.5.0.89 pre-release for testing.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/delivery-tracker.html#button_widget_other

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 POST:

' POST /:version/deliveryTrackers HTTP/1.1
' Host: pay-api.amazon.com
' Accept: application/json
' Authorization: AMZN-PAY-RSASSA-PSS PublicKeyId=f4fc06fc-c5a7-11e7-abc4-cec278b6b50a, SignedHeaders=content-type;x-amz-pay-date, Signature=4164128ec5d1b9da1700167ab2ccda8125f472c8bb9de447cebf5d741ee317c8       
' X-Amz-Pay-Date: 20190305T024410Z
' Content-type: application/json
' 
' {
'     "amazonOrderReferenceId" : "P00-0000000-0000000",
'     "deliveryDetails" : [{
'     "trackingNumber" : "1Z999AA10123456784",
'     "carrierCode" : "UPS"
'   }]
' }

' Use the following online tool to generate HTTP code from a CURL command
' Convert a Raw HTTP Request to Source Code

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

' The following JSON is sent in the request body.

' {
'     "amazonOrderReferenceId" : "P00-0000000-0000000",
'     "deliveryDetails" : [{
'     "trackingNumber" : "1Z999AA10123456784",
'     "carrierCode" : "UPS"
'   }]
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("amazonOrderReferenceId","P00-0000000-0000000")
json.UpdateString("deliveryDetails[0].trackingNumber","1Z999AA10123456784")
json.UpdateString("deliveryDetails[0].carrierCode","UPS")


' Load your Amazon Pay private key.  
' There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
' or from in-memory strings or bytes.
Dim privKey As New Chilkat.PrivateKey
success = privKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")
If (success = False) Then
    Debug.WriteLine(privKey.LastErrorText)
    Exit Sub
End If


' Provide your Amazon Pay private key and Public Key ID 
' Use your public key ID here.  It must be the one associated with the private key.
' Note: The SetAuthPrivateKey method was added in Chilkat v9.5.0.89
Dim publicKeyId As String = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
success = http.SetAuthPrivateKey(publicKeyId,privKey)
If (success = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


' Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
' and will also sign the request.  Nothing more is needed.
' Chilkat automatically generates and adds the following headers:
' 
' x-amz-pay-date
' x-amz-pay-host
' x-amz-pay-region
' x-amz-pay-idempotency-key
' Authorization

http.Accept = "application/json"

' To use the live system, replace "sandbox" with "live" in the URL passed to PostJson3.
' Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
Dim resp As Chilkat.HttpResponse = Await http.PostJson3Async("https://pay-api.amazon.eu/sandbox/v2/deliveryTrackers","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

' If the status code is not equal to 200, this will display error information.
Debug.WriteLine("Response Body:")
Debug.WriteLine(jResp.Emit())

Dim respStatusCode As Integer = resp.StatusCode
Debug.WriteLine("Response Status Code = " & respStatusCode)
If (respStatusCode <> 200) Then
    Debug.WriteLine("Failed.")

    Exit Sub
End If



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

' {
'     "amazonOrderReferenceId": "P00-0000000-0000000",
'     "deliveryDetails": [{
'         "trackingNumber": "1Z999AA10123456784",
'         "carrierCode": "UPS"
'     }]
' }

' 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 trackingNumber As String
Dim carrierCode As String

Dim amazonOrderReferenceId As String = jResp.StringOf("amazonOrderReferenceId")
Dim i As Integer = 0
Dim count_i As Integer = jResp.SizeOfArray("deliveryDetails")
While i < count_i
    jResp.I = i
    trackingNumber = jResp.StringOf("deliveryDetails[i].trackingNumber")
    carrierCode = jResp.StringOf("deliveryDetails[i].carrierCode")
    i = i + 1
End While