Xojo Plugin
Xojo Plugin
Amazon Pay - Create Checkout Session
See more Amazon Pay Examples
Create a new Amazon Pay Checkout Session.Chilkat Xojo Plugin Downloads
Dim success As Boolean
success = False
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
Dim http As New Chilkat.Http
// Implements the following CURL command:
// curl "https://pay-api.amazon.com/:version/checkoutSessions/" \
// -X POST
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
// -d '{
// "webCheckoutDetails": {
// "checkoutReviewReturnUrl": "https://a.com/merchant-review-page"
// },
// "storeId": "amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId",
// "scopes": ["name", "email", "phoneNumber", "billingAddress"],
// "deliverySpecifications": {
// "specialRestrictions": ["RestrictPOBoxes"],
// "addressRestrictions": {
// "type": "Allowed",
// "restrictions": {
// "US": {
// "statesOrRegions": ["WA"],
// "zipCodes": ["95050", "93405"]
// },
// "GB": {
// "zipCodes": ["72046", "72047"]
// },
// "IN": {
// "statesOrRegions": ["AP"]
// },
// "JP": {}
// }
// }
// }
// }'
// 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.
// {
// "webCheckoutDetails": {
// "checkoutReviewReturnUrl": "https://a.com/merchant-review-page"
// },
// "storeId": "amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId",
// "scopes": [
// "name",
// "email",
// "phoneNumber",
// "billingAddress"
// ],
// "deliverySpecifications": {
// "specialRestrictions": [
// "RestrictPOBoxes"
// ],
// "addressRestrictions": {
// "type": "Allowed",
// "restrictions": {
// "US": {
// "statesOrRegions": [
// "WA"
// ],
// "zipCodes": [
// "95050",
// "93405"
// ]
// },
// "GB": {
// "zipCodes": [
// "72046",
// "72047"
// ]
// },
// "IN": {
// "statesOrRegions": [
// "AP"
// ]
// },
// "JP": {}
// }
// }
// }
// }
Dim json As New Chilkat.JsonObject
success = json.UpdateString("webCheckoutDetails.checkoutReviewReturnUrl","https://a.com/merchant-review-page")
// Make sure to use your storeId here:
success = json.UpdateString("storeId","amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId")
Dim i As Int32
i = 0
json.I = i
success = json.UpdateString("scopes[i]","name")
i = i + 1
json.I = i
success = json.UpdateString("scopes[i]","email")
i = i + 1
json.I = i
success = json.UpdateString("scopes[i]","phoneNumber")
i = i + 1
json.I = i
success = json.UpdateString("scopes[i]","billingAddress")
success = json.UpdateString("deliverySpecifications.specialRestrictions[0]","RestrictPOBoxes")
success = json.UpdateString("deliverySpecifications.addressRestrictions.type","Allowed")
success = json.UpdateString("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions[0]","WA")
success = json.UpdateString("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[0]","95050")
success = json.UpdateString("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[1]","93405")
success = json.UpdateString("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[0]","72046")
success = json.UpdateString("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[1]","72047")
success = json.UpdateString("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[0]","AP")
success = json.UpdateNewObject("deliverySpecifications.addressRestrictions.restrictions.JP")
// 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
System.DebugLog(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
publicKeyId = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
success = http.SetAuthPrivateKey(publicKeyId,privKey)
If (success = False) Then
System.DebugLog(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 New Chilkat.HttpResponse
success = http.HttpJson("POST","https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/",json,"application/json",resp)
If (success = False) Then
System.DebugLog(http.LastErrorText)
Return
End If
Dim sbResponseBody As New Chilkat.StringBuilder
success = resp.GetBodySb(sbResponseBody)
Dim jResp As New Chilkat.JsonObject
success = jResp.LoadSb(sbResponseBody)
jResp.EmitCompact = False
// If the status code is not equal to 201, this will display error information.
System.DebugLog("Response Body:")
System.DebugLog(jResp.Emit())
Dim respStatusCode As Int32
respStatusCode = resp.StatusCode
System.DebugLog("Response Status Code = " + Str(respStatusCode))
If (respStatusCode <> 201) Then
// The jResp would've contained an error message, similar to this:
// {
// "reasonCode": "InvalidHeaderValue",
// "message": "The value AF2EGWREIPHV2S2TUFFBRDGM provided for PublicKeyId is invalid. Please verify that you are using the PublicKeyId in the correct region and environment."
// }
System.DebugLog("Failed.")
Return
End If
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "checkoutSessionId": "bd504926-f659-4ad7-a1a9-9a747aaf5275",
// "webCheckoutDetails": {
// "checkoutReviewReturnUrl": "https://a.com/merchant-review-page",
// "checkoutResultReturnUrl": null,
// "checkoutCancelUrl": null,
// "amazonPayRedirectUrl": null
// },
// "productType": "PayAndShip",
// "chargePermissionType": "Recurring",
// "recurringMetadata": {
// "frequency": {
// "unit": "Month",
// "value": "1"
// },
// "amount": {
// "amount": "30",
// "currencyCode": "USD"
// }
// },
// "paymentDetails": {
// "paymentIntent": null,
// "canHandlePendingAuthorization": false,
// "chargeAmount": null,
// "totalOrderAmount": null,
// "softDescriptor": null,
// "presentmentCurrency": null,
// "allowOvercharge": null,
// "extendExpiration": null
// },
// "merchantMetadata": {
// "merchantReferenceId": null,
// "merchantStoreName": null,
// "noteToBuyer": null,
// "customInformation": null
// },
// "supplementaryData": null,
// "buyer": null,
// "billingAddress": null,
// "paymentPreferences": [
// null
// ],
// "statusDetails": {
// "state": "Open",
// "reasonCode": null,
// "reasonDescription": null,
// "lastUpdatedTimestamp": "20191015T204327Z"
// },
// "shippingAddress": null,
// "platformId": null,
// "chargePermissionId": null,
// "chargeId": null,
// "constraints": [
// {
// "constraintId": "BuyerNotAssociated",
// "description": "There is no buyer associated with the Checkout Session. Return the checkout session id to the Amazon Pay Button to allow buyer to login."
// },
// {
// "constraintId": "ChargeAmountNotSet",
// "description": "chargeAmount is not set."
// },
// {
// "constraintId": "CheckoutResultReturnUrlNotSet",
// "description": "checkoutResultReturnUrl is not set."
// },
// {
// "constraintId": "PaymentIntentNotSet",
// "description": "paymentIntent is not set."
// }
// ],
// "creationTimestamp": "20191015T204313Z",
// "expirationTimestamp": "20191016T204313Z",
// "storeId": "amzn1.application-oa2-client.8b5e45312b5248b69eeaStoreId",
// "deliverySpecifications": {
// "specialRestrictions": [
// "RestrictPOBoxes"
// ],
// "addressRestrictions": {
// "type": "Allowed",
// "restrictions": {
// "US": {
// "statesOrRegions": [
// "WA"
// ],
// "zipCodes": [
// "95050",
// "93405"
// ]
// },
// "GB": {
// "zipCodes": [
// "72046",
// "72047"
// ]
// },
// "IN": {
// "statesOrRegions": [
// "AP"
// ]
// },
// "JP": {}
// }
// }
// },
// "providerMetadata": {
// "providerReferenceId": null
// },
// "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 nullVal As Boolean
Dim constraintId As String
Dim description As String
Dim strVal As String
Dim checkoutSessionId As String
checkoutSessionId = jResp.StringOf("checkoutSessionId")
Dim webCheckoutDetailsCheckoutReviewReturnUrl As String
webCheckoutDetailsCheckoutReviewReturnUrl = jResp.StringOf("webCheckoutDetails.checkoutReviewReturnUrl")
Dim webCheckoutDetailsCheckoutResultReturnUrl As String
webCheckoutDetailsCheckoutResultReturnUrl = jResp.StringOf("webCheckoutDetails.checkoutResultReturnUrl")
Dim webCheckoutDetailsCheckoutCancelUrl As String
webCheckoutDetailsCheckoutCancelUrl = jResp.StringOf("webCheckoutDetails.checkoutCancelUrl")
Dim webCheckoutDetailsAmazonPayRedirectUrl As String
webCheckoutDetailsAmazonPayRedirectUrl = jResp.StringOf("webCheckoutDetails.amazonPayRedirectUrl")
Dim productType As String
productType = jResp.StringOf("productType")
Dim chargePermissionType As String
chargePermissionType = jResp.StringOf("chargePermissionType")
Dim recurringMetadataFrequencyUnit As String
recurringMetadataFrequencyUnit = jResp.StringOf("recurringMetadata.frequency.unit")
Dim recurringMetadataFrequencyValue As String
recurringMetadataFrequencyValue = jResp.StringOf("recurringMetadata.frequency.value")
Dim recurringMetadataAmountAmount As String
recurringMetadataAmountAmount = jResp.StringOf("recurringMetadata.amount.amount")
Dim recurringMetadataAmountCurrencyCode As String
recurringMetadataAmountCurrencyCode = jResp.StringOf("recurringMetadata.amount.currencyCode")
Dim paymentDetailsPaymentIntent As String
paymentDetailsPaymentIntent = jResp.StringOf("paymentDetails.paymentIntent")
Dim paymentDetailsCanHandlePendingAuthorization As Boolean
paymentDetailsCanHandlePendingAuthorization = jResp.BoolOf("paymentDetails.canHandlePendingAuthorization")
Dim paymentDetailsChargeAmount As String
paymentDetailsChargeAmount = jResp.StringOf("paymentDetails.chargeAmount")
Dim paymentDetailsTotalOrderAmount As String
paymentDetailsTotalOrderAmount = jResp.StringOf("paymentDetails.totalOrderAmount")
Dim paymentDetailsSoftDescriptor As String
paymentDetailsSoftDescriptor = jResp.StringOf("paymentDetails.softDescriptor")
Dim paymentDetailsPresentmentCurrency As String
paymentDetailsPresentmentCurrency = jResp.StringOf("paymentDetails.presentmentCurrency")
Dim paymentDetailsAllowOvercharge As String
paymentDetailsAllowOvercharge = jResp.StringOf("paymentDetails.allowOvercharge")
Dim paymentDetailsExtendExpiration As String
paymentDetailsExtendExpiration = jResp.StringOf("paymentDetails.extendExpiration")
Dim merchantMetadataMerchantReferenceId As String
merchantMetadataMerchantReferenceId = jResp.StringOf("merchantMetadata.merchantReferenceId")
Dim merchantMetadataMerchantStoreName As String
merchantMetadataMerchantStoreName = jResp.StringOf("merchantMetadata.merchantStoreName")
Dim merchantMetadataNoteToBuyer As String
merchantMetadataNoteToBuyer = jResp.StringOf("merchantMetadata.noteToBuyer")
Dim merchantMetadataCustomInformation As String
merchantMetadataCustomInformation = jResp.StringOf("merchantMetadata.customInformation")
Dim supplementaryData As String
supplementaryData = jResp.StringOf("supplementaryData")
Dim buyer As String
buyer = jResp.StringOf("buyer")
Dim billingAddress As String
billingAddress = jResp.StringOf("billingAddress")
Dim statusDetailsState As String
statusDetailsState = jResp.StringOf("statusDetails.state")
Dim statusDetailsReasonCode As String
statusDetailsReasonCode = jResp.StringOf("statusDetails.reasonCode")
Dim statusDetailsReasonDescription As String
statusDetailsReasonDescription = jResp.StringOf("statusDetails.reasonDescription")
Dim statusDetailsLastUpdatedTimestamp As String
statusDetailsLastUpdatedTimestamp = jResp.StringOf("statusDetails.lastUpdatedTimestamp")
Dim shippingAddress As String
shippingAddress = jResp.StringOf("shippingAddress")
Dim platformId As String
platformId = jResp.StringOf("platformId")
Dim chargePermissionId As String
chargePermissionId = jResp.StringOf("chargePermissionId")
Dim chargeId As String
chargeId = jResp.StringOf("chargeId")
Dim creationTimestamp As String
creationTimestamp = jResp.StringOf("creationTimestamp")
Dim expirationTimestamp As String
expirationTimestamp = jResp.StringOf("expirationTimestamp")
Dim storeId As String
storeId = jResp.StringOf("storeId")
Dim deliverySpecificationsAddressRestrictionsType As String
deliverySpecificationsAddressRestrictionsType = jResp.StringOf("deliverySpecifications.addressRestrictions.type")
Dim providerMetadataProviderReferenceId As String
providerMetadataProviderReferenceId = jResp.StringOf("providerMetadata.providerReferenceId")
Dim releaseEnvironment As String
releaseEnvironment = jResp.StringOf("releaseEnvironment")
i = 0
Dim count_i As Int32
count_i = jResp.SizeOfArray("paymentPreferences")
While i < count_i
jResp.I = i
nullVal = jResp.IsNullOf("paymentPreferences[i]")
i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("constraints")
While i < count_i
jResp.I = i
constraintId = jResp.StringOf("constraints[i].constraintId")
description = jResp.StringOf("constraints[i].description")
i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("deliverySpecifications.specialRestrictions")
While i < count_i
jResp.I = i
strVal = jResp.StringOf("deliverySpecifications.specialRestrictions[i]")
i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions")
While i < count_i
jResp.I = i
strVal = jResp.StringOf("deliverySpecifications.addressRestrictions.restrictions.US.statesOrRegions[i]")
i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes")
While i < count_i
jResp.I = i
strVal = jResp.StringOf("deliverySpecifications.addressRestrictions.restrictions.US.zipCodes[i]")
i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes")
While i < count_i
jResp.I = i
strVal = jResp.StringOf("deliverySpecifications.addressRestrictions.restrictions.GB.zipCodes[i]")
i = i + 1
Wend
i = 0
count_i = jResp.SizeOfArray("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions")
While i < count_i
jResp.I = i
strVal = jResp.StringOf("deliverySpecifications.addressRestrictions.restrictions.IN.statesOrRegions[i]")
i = i + 1
Wend