B4X

Amazon Pay - Get Charge

See more Amazon Pay Examples

Get Charge details such as charge amount and authorization state. Use this operation to determine if authorization or capture was successful. B4X

Dim success As Boolean = False

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

Dim http As ChilkatHttp
http.Initialize("http")

'  Implements the following CURL command:

'  curl "https://pay-api.amazon.com/:version/charges/:chargeId"
'   -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
'   -H "x-amz-pay-date:20201012T235046Z"
'   -X GET

'  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 ChilkatPrivateKey
privKey.Initialize("privKey")
success = privKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")
If success = False Then
    Log(privKey.LastErrorText)
    Return
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
    Log(http.LastErrorText)
    Return
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
'  Authorization

http.Accept = "application/json"

Dim respStatusCode As Int = 0

Dim sbResponseBody As ChilkatStringBuilder
sbResponseBody.Initialize
success = http.SetUrlVar("chargeId", "P21-1111111-1111111")
'  To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
'  Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
success = http.QuickGetSb("https://pay-api.amazon.eu/sandbox/v2/charges/{$chargeId}", sbResponseBody)
If success = False Then
    '  If the LastStatus is not equal to 0, then we received a response, but it was an error response.
    respStatusCode = http.LastStatus
    If respStatusCode <> 0 Then
        Log("Response Status Code = " & respStatusCode)
        Log("Response body:")
        Log(http.LastResponseBody)
    Else
        Log(http.LastErrorText)
    End If

    Return
End If


Dim jResp As ChilkatJsonObject
jResp.Initialize
jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False

Log("Response Body:")
Log(jResp.Emit)

respStatusCode = http.LastStatus
Log("Response Status Code = " & respStatusCode)
'  We expect a 200 status code for success.
'  Note: Some Amazon Pay API calls return 200 for success, others return 201.
If respStatusCode <> 200 Then
    Log("Failed.")
    Return
End If


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

'  {
'       "chargeId": "P21-1111111-1111111-C111111",
'       "chargePermissionId": "P21-1111111-1111111",
'       "chargeAmount": {
'           "amount": "14.00",
'           "currencyCode": "USD"
'       },
'       "captureAmount": {
'           "amount": "14.00",
'           "currencyCode": "USD"
'       },
'       "refundedAmount": {
'           "amount": "0.00",
'           "currencyCode": "USD"
'       },
'       "convertedAmount": "14.00",
'       "conversionRate": "1.00",
'       "softDescriptor": "Descriptor",
'       "merchantMetadata": null,
'       "providerMetadata": {
'           "providerReferenceId": null
'       },
'       "statusDetails":{
'           "state": "Captured",
'           "reasonCode": null,
'           "reasonDescription": null,
'           "lastUpdatedTimestamp": "20190714T155300Z"
'       },
'       "creationTimestamp": "20190714T155300Z",
'       "expirationTimestamp": "20190715T155300Z",
'       "releaseEnvironment": "Sandbox"
'  }

'  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 chargeId As String = jResp.StringOf("chargeId")
Dim chargePermissionId As String = jResp.StringOf("chargePermissionId")
Dim chargeAmountAmount As String = jResp.StringOf("chargeAmount.amount")
Dim chargeAmountCurrencyCode As String = jResp.StringOf("chargeAmount.currencyCode")
Dim captureAmountAmount As String = jResp.StringOf("captureAmount.amount")
Dim captureAmountCurrencyCode As String = jResp.StringOf("captureAmount.currencyCode")
Dim refundedAmountAmount As String = jResp.StringOf("refundedAmount.amount")
Dim refundedAmountCurrencyCode As String = jResp.StringOf("refundedAmount.currencyCode")
Dim convertedAmount As String = jResp.StringOf("convertedAmount")
Dim conversionRate As String = jResp.StringOf("conversionRate")
Dim softDescriptor As String = jResp.StringOf("softDescriptor")
Dim merchantMetadata As String = jResp.StringOf("merchantMetadata")
Dim providerMetadataProviderReferenceId As String = jResp.StringOf("providerMetadata.providerReferenceId")
Dim statusDetailsState As String = jResp.StringOf("statusDetails.state")
Dim statusDetailsReasonCode As String = jResp.StringOf("statusDetails.reasonCode")
Dim statusDetailsReasonDescription As String = jResp.StringOf("statusDetails.reasonDescription")
Dim statusDetailsLastUpdatedTimestamp As String = jResp.StringOf("statusDetails.lastUpdatedTimestamp")
Dim creationTimestamp As String = jResp.StringOf("creationTimestamp")
Dim expirationTimestamp As String = jResp.StringOf("expirationTimestamp")
Dim releaseEnvironment As String = jResp.StringOf("releaseEnvironment")