B4X Requires Chilkat v11.0.0+

Amazon Pay - Create Charge

See more Amazon Pay Examples

Creates a Charge to authorize payment, if you have a Charge Permission in a Chargeable state. You can optionally capture payment immediately by setting captureNow to true. You can create up to 25 Charges per one-time Charge Permission. 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/" \
'  -X POST
'  -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
'  -H "x-amz-pay-date:20201012T235046Z"
'  -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
'  -d '{
'      "chargePermissionId": "P21-1111111-1111111",
'      "chargeAmount": {
'          "amount": "14.00",
'          "currencyCode": "USD"
'      },
'      "captureNow": true, // default is false
'      "softDescriptor": "Descriptor",
'      "canHandlePendingAuthorization": false //default is false
'  }'

'  Use the following online tool to generate HTTP code from a CURL command
'  Convert a cURL Command to HTTP 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.

'  {
'      "chargePermissionId": "P21-1111111-1111111",
'      "chargeAmount": {
'          "amount": "14.00",
'          "currencyCode": "USD"
'      },
'      "captureNow": true, // default is false
'      "softDescriptor": "Descriptor",
'      "canHandlePendingAuthorization": false //default is false
'  }

Dim json As ChilkatJsonObject
json.Initialize
json.UpdateString("chargePermissionId", "P21-1111111-1111111")
json.UpdateString("chargeAmount.amount", "14.00")
json.UpdateString("chargeAmount.currencyCode", "USD")
json.UpdateBool("captureNow", True)
json.UpdateString("softDescriptor", "Descriptor")
json.UpdateBool("canHandlePendingAuthorization", False)

'  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
'  x-amz-pay-idempotency-key
'  Authorization

http.Accept = "application/json"

'  To use the live system, replace "sandbox" with "live" in the URL passed to HttpJson.
'  Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
Dim resp As ChilkatHttpResponse
resp.Initialize
success = http.HttpJson("POST", "https://pay-api.amazon.eu/sandbox/v2/charges/", json, "application/json", resp)
If success = False Then
    Log(http.LastErrorText)
    Return
End If


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

'  If the status code is not equal to 201, this will display error information.
Log("Response Body:")
Log(jResp.Emit)

Dim respStatusCode As Int = resp.StatusCode
Log("Response Status Code = " & respStatusCode)
If respStatusCode <> 201 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")