Go
Go
Amazon Pay - Complete Checkout Session
See more Amazon Pay Examples
Complete Checkout Session after the buyer returns to checkoutResultReturnUrl to finalize the paymentIntent.Chilkat Go Downloads
success := false
// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http := chilkat.NewHttp()
// Implements the following CURL command:
// curl "https://pay-api.amazon.com/:version/checkoutSessions/:checkoutSessionId/complete" \
// -X POST
// -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
// -H "x-amz-pay-date:20201012T235046Z"
// -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
// -d '{
// "chargeAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// }
// }'
// 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.
// {
// "chargeAmount": {
// "amount": "14.00",
// "currencyCode": "USD"
// }
// }
json := chilkat.NewJsonObject()
json.UpdateString("chargeAmount.amount","14.00")
json.UpdateString("chargeAmount.currencyCode","USD")
// 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.
privKey := chilkat.NewPrivateKey()
success = privKey.LoadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")
if success == false {
fmt.Println(privKey.LastErrorText())
http.DisposeHttp()
json.DisposeJsonObject()
privKey.DisposePrivateKey()
return
}
// 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
publicKeyId := "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
success = http.SetAuthPrivateKey(publicKeyId,privKey)
if success == false {
fmt.Println(http.LastErrorText())
http.DisposeHttp()
json.DisposeJsonObject()
privKey.DisposePrivateKey()
return
}
// 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.SetAccept("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
success = http.SetUrlVar("sessionId","62b7d028-6c7c-4a43-b077-3897dff27c5b")
resp := chilkat.NewHttpResponse()
success = http.HttpJson("POST","https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}/complete",json,"application/json",resp)
if success == false {
fmt.Println(http.LastErrorText())
http.DisposeHttp()
json.DisposeJsonObject()
privKey.DisposePrivateKey()
resp.DisposeHttpResponse()
return
}
sbResponseBody := chilkat.NewStringBuilder()
resp.GetBodySb(sbResponseBody)
jResp := chilkat.NewJsonObject()
jResp.LoadSb(sbResponseBody)
jResp.SetEmitCompact(false)
// If the status code is not equal to 200, this will display error information.
fmt.Println("Response Body:")
fmt.Println(*jResp.Emit())
respStatusCode := resp.StatusCode()
fmt.Println("Response Status Code = ", respStatusCode)
if respStatusCode != 200 {
// A sample response body for the case where the session ID does not exist:
// {
// "reasonCode": "ResourceNotFound",
// "message": "Resource you are trying to access is not available. Requested path '/sandbox/v2/checkoutSessions/bd504926-f659-4ad7-a1a9-9a747aaf5275'"
// }
// Another sample failure response (status code = 422)
// {
// "reasonCode": "InvalidCheckoutSessionStatus",
// "message": "You tried to call an operation on a Checkout Session that is in a state where that operation is not allowed"
// }
fmt.Println("Failed.")
http.DisposeHttp()
json.DisposeJsonObject()
privKey.DisposePrivateKey()
resp.DisposeHttpResponse()
sbResponseBody.DisposeStringBuilder()
jResp.DisposeJsonObject()
return
}
// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)
// {
// "checkoutSessionId": "bd504926-f659-4ad7-a1a9-9a747aaf5275",
// "webCheckoutDetails": null,
// "chargePermissionType": "OneTime",
// "recurringMetadata": null,
// "productType": null,
// "paymentDetails": null,
// "merchantMetadata": null,
// "supplementaryData": null,
// "buyer": null,
// "billingAddress": null,
// "paymentPreferences": [
// null
// ],
// "statusDetails": {
// "state": "Completed",
// "reasonCode": null,
// "reasonDescription": null,
// "lastUpdatedTimestamp": "20191015T204327Z"
// },
// "shippingAddress": null,
// "platformId": null,
// "chargePermissionId": "S01-5105180-3221187",
// "chargeId": "S01-5105180-3221187-C056351",
// "constraints": [
// null
// ],
// "creationTimestamp": "20191015T204313Z",
// "expirationTimestamp": null,
// "storeId": null,
// "deliverySpecifications": null,
// "providerMetadata": null,
// "releaseEnvironment": null
// }
// Sample code for parsing the JSON response...
// Use the following online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON
var nullVal bool
checkoutSessionId := jResp.StringOf("checkoutSessionId")
webCheckoutDetails := jResp.StringOf("webCheckoutDetails")
chargePermissionType := jResp.StringOf("chargePermissionType")
recurringMetadata := jResp.StringOf("recurringMetadata")
productType := jResp.StringOf("productType")
paymentDetails := jResp.StringOf("paymentDetails")
merchantMetadata := jResp.StringOf("merchantMetadata")
supplementaryData := jResp.StringOf("supplementaryData")
buyer := jResp.StringOf("buyer")
billingAddress := jResp.StringOf("billingAddress")
statusDetailsState := jResp.StringOf("statusDetails.state")
statusDetailsReasonCode := jResp.StringOf("statusDetails.reasonCode")
statusDetailsReasonDescription := jResp.StringOf("statusDetails.reasonDescription")
statusDetailsLastUpdatedTimestamp := jResp.StringOf("statusDetails.lastUpdatedTimestamp")
shippingAddress := jResp.StringOf("shippingAddress")
platformId := jResp.StringOf("platformId")
chargePermissionId := jResp.StringOf("chargePermissionId")
chargeId := jResp.StringOf("chargeId")
creationTimestamp := jResp.StringOf("creationTimestamp")
expirationTimestamp := jResp.StringOf("expirationTimestamp")
storeId := jResp.StringOf("storeId")
deliverySpecifications := jResp.StringOf("deliverySpecifications")
providerMetadata := jResp.StringOf("providerMetadata")
releaseEnvironment := jResp.StringOf("releaseEnvironment")
i := 0
count_i := jResp.SizeOfArray("paymentPreferences")
for i < count_i {
jResp.SetI(i)
nullVal = jResp.IsNullOf("paymentPreferences[i]")
i = i + 1
}
i = 0
count_i = jResp.SizeOfArray("constraints")
for i < count_i {
jResp.SetI(i)
nullVal = jResp.IsNullOf("constraints[i]")
i = i + 1
}
http.DisposeHttp()
json.DisposeJsonObject()
privKey.DisposePrivateKey()
resp.DisposeHttpResponse()
sbResponseBody.DisposeStringBuilder()
jResp.DisposeJsonObject()