Sample code for 30+ languages & platforms
Tcl

Amazon Pay - Update Charge Permission

See more Amazon Pay Examples

Update the Charge Permission with your external order metadata or the recurringMetadata.

Chilkat Tcl Downloads

Download Chilkat for Tcl
Tcl 

load ./chilkat.dll

set success 0

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

set http [new_CkHttp]

# Implements the following CURL command:

# curl "https://pay-api.amazon.com/:version/chargePermissions/:chargePermissionId" \
# -X PATCH
# -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
# -H "x-amz-pay-date:20201012T235046Z"
# -d '{
#     "merchantMetadata": {
#         "merchantReferenceId": "32-41-323141-32",
#         "merchantStoreName": "AmazonTestStoreFront",
#         "noteToBuyer": "Some Note to buyer",
#         "customInformation": ""    
#      }  
# }'

# 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.

# {
#     "merchantMetadata": {
#         "merchantReferenceId": "32-41-323141-32",
#         "merchantStoreName": "AmazonTestStoreFront",
#         "noteToBuyer": "Some Note to buyer",
#         "customInformation": ""    
#      }  
# }

set json [new_CkJsonObject]

CkJsonObject_UpdateString $json "merchantMetadata.merchantReferenceId" "32-41-323141-32"
CkJsonObject_UpdateString $json "merchantMetadata.merchantStoreName" "AmazonTestStoreFront"
CkJsonObject_UpdateString $json "merchantMetadata.noteToBuyer" "Some Note to buyer"
CkJsonObject_UpdateString $json "merchantMetadata.customInformation" ""

set sbRequestBody [new_CkStringBuilder]

CkJsonObject_EmitSb $json $sbRequestBody

# 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.
set privKey [new_CkPrivateKey]

set success [CkPrivateKey_LoadPemFile $privKey "C:/someDir/myAmazonPayPrivateKey.pem"]
if {$success == 0} then {
    puts [CkPrivateKey_lastErrorText $privKey]
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkPrivateKey $privKey
    exit
}

# 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
set publicKeyId "SANDBOX-AHEGSJCM3L2S637RBGABLAFW"
set success [CkHttp_SetAuthPrivateKey $http $publicKeyId $privKey]
if {$success == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkPrivateKey $privKey
    exit
}

# 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

CkHttp_put_Accept $http "application/json"

set success [CkHttp_SetUrlVar $http "chargePermissionId" "P21-1111111-1111111"]
# To use the live system, replace "sandbox" with "live" in the URL passed to HttpSb.
# Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
set resp [new_CkHttpResponse]

set success [CkHttp_HttpSb $http "PATCH" "https://pay-api.amazon.eu/sandbox/v2/chargePermissions/{$chargePermissionId}" $sbRequestBody "utf-8" "application/json" $resp]
if {$success == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkPrivateKey $privKey
    delete_CkHttpResponse $resp
    exit
}

set sbResponseBody [new_CkStringBuilder]

CkHttpResponse_GetBodySb $resp $sbResponseBody
set jResp [new_CkJsonObject]

CkJsonObject_LoadSb $jResp $sbResponseBody
CkJsonObject_put_EmitCompact $jResp 0

# If the status code is not equal to 200, this will display error information.
puts "Response Body:"
puts [CkJsonObject_emit $jResp]

set respStatusCode [CkHttpResponse_get_StatusCode $resp]
puts "Response Status Code = $respStatusCode"
if {$respStatusCode != 200} then {
    puts "Failed."
    delete_CkHttp $http
    delete_CkJsonObject $json
    delete_CkStringBuilder $sbRequestBody
    delete_CkPrivateKey $privKey
    delete_CkHttpResponse $resp
    delete_CkStringBuilder $sbResponseBody
    delete_CkJsonObject $jResp
    exit
}

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

# {
#     "chargePermissionId": "chargePermission-1",
#     "chargePermissionReferenceId": null,
#     "buyer": {
#         "buyerId": "buyerId",
#         "name": "name-1",
#         "email": "name@amazon.com",
#         "phoneNumber": "800-000-0000",
#         "primeMembershipTypes": null
#     },
#     "releaseEnvironment": "Live",
#     "shippingAddress": {  // Null for PayOnly product type
#         "name": "Work",
#         "addressLine1": "440 Terry Ave",
#         "addressLine2": "",
#         "addressLine3": "",
#         "city": "Seattle",
#         "county": "King",
#         "district": "Seattle",
#         "stateOrRegion": "WA",
#         "postalCode": "98121",
#         "countryCode": "US",
#         "phoneNumber": "800-000-0000"
#     },
#     "billingAddress": {  // Only available in EU or for PayOnly product type
#         "name": "Work",
#         "addressLine1": "440 Terry Ave",
#         "addressLine2": "",
#         "addressLine3": "",
#         "city": "Seattle",
#         "county": "King",
#         "district": "Seattle",
#         "stateOrRegion": "WA",
#         "postalCode": "98121",
#         "countryCode": "US",
#         "phoneNumber": "800-000-0000"
#     },
#     "paymentPreferences": [
#     {
#         "paymentDescriptor": null
#     }],
#     "statusDetails": {
#         "state": "Chargeable",
#         "reasons": null,
#         "lastUpdatedTimestamp": "20190714T155300Z"
#     },
#     "creationTimestamp": "20190714T155300Z",
#     "expirationTimestamp": "20190715T155300Z",
#     "merchantMetadata": {
#         "merchantReferenceId": "123-77-876", 
#         "merchantStoreName": "AmazonTestStoreFront",
#         "noteToBuyer": "merchantNoteForBuyer",
#         "customInformation": "This is custom information"  
#     },
#     "platformId": "SPId",
#     "limits": {
#         "amountLimit": {
#             "amount": "14.00",
#             "currencyCode": "USD"
#         },
#         "amountBalance": {
#             "amount": "14.00",
#             "currencyCode": "USD"
#         }
#     },
#     "presentmentCurrency": "USD"
# }

# Sample code for parsing the JSON response...
# Use the following online tool to generate parsing code from sample JSON:
# Generate Parsing Code from JSON

set chargePermissionId [CkJsonObject_stringOf $jResp "chargePermissionId"]
set chargePermissionReferenceId [CkJsonObject_stringOf $jResp "chargePermissionReferenceId"]
set buyerBuyerId [CkJsonObject_stringOf $jResp "buyer.buyerId"]
set buyerName [CkJsonObject_stringOf $jResp "buyer.name"]
set buyerEmail [CkJsonObject_stringOf $jResp "buyer.email"]
set buyerPhoneNumber [CkJsonObject_stringOf $jResp "buyer.phoneNumber"]
set buyerPrimeMembershipTypes [CkJsonObject_stringOf $jResp "buyer.primeMembershipTypes"]
set releaseEnvironment [CkJsonObject_stringOf $jResp "releaseEnvironment"]
set shippingAddressName [CkJsonObject_stringOf $jResp "shippingAddress.name"]
set shippingAddressAddressLine1 [CkJsonObject_stringOf $jResp "shippingAddress.addressLine1"]
set shippingAddressAddressLine2 [CkJsonObject_stringOf $jResp "shippingAddress.addressLine2"]
set shippingAddressAddressLine3 [CkJsonObject_stringOf $jResp "shippingAddress.addressLine3"]
set shippingAddressCity [CkJsonObject_stringOf $jResp "shippingAddress.city"]
set shippingAddressCounty [CkJsonObject_stringOf $jResp "shippingAddress.county"]
set shippingAddressDistrict [CkJsonObject_stringOf $jResp "shippingAddress.district"]
set shippingAddressStateOrRegion [CkJsonObject_stringOf $jResp "shippingAddress.stateOrRegion"]
set shippingAddressPostalCode [CkJsonObject_stringOf $jResp "shippingAddress.postalCode"]
set shippingAddressCountryCode [CkJsonObject_stringOf $jResp "shippingAddress.countryCode"]
set shippingAddressPhoneNumber [CkJsonObject_stringOf $jResp "shippingAddress.phoneNumber"]
set billingAddressName [CkJsonObject_stringOf $jResp "billingAddress.name"]
set billingAddressAddressLine1 [CkJsonObject_stringOf $jResp "billingAddress.addressLine1"]
set billingAddressAddressLine2 [CkJsonObject_stringOf $jResp "billingAddress.addressLine2"]
set billingAddressAddressLine3 [CkJsonObject_stringOf $jResp "billingAddress.addressLine3"]
set billingAddressCity [CkJsonObject_stringOf $jResp "billingAddress.city"]
set billingAddressCounty [CkJsonObject_stringOf $jResp "billingAddress.county"]
set billingAddressDistrict [CkJsonObject_stringOf $jResp "billingAddress.district"]
set billingAddressStateOrRegion [CkJsonObject_stringOf $jResp "billingAddress.stateOrRegion"]
set billingAddressPostalCode [CkJsonObject_stringOf $jResp "billingAddress.postalCode"]
set billingAddressCountryCode [CkJsonObject_stringOf $jResp "billingAddress.countryCode"]
set billingAddressPhoneNumber [CkJsonObject_stringOf $jResp "billingAddress.phoneNumber"]
set statusDetailsState [CkJsonObject_stringOf $jResp "statusDetails.state"]
set statusDetailsReasons [CkJsonObject_stringOf $jResp "statusDetails.reasons"]
set statusDetailsLastUpdatedTimestamp [CkJsonObject_stringOf $jResp "statusDetails.lastUpdatedTimestamp"]
set creationTimestamp [CkJsonObject_stringOf $jResp "creationTimestamp"]
set expirationTimestamp [CkJsonObject_stringOf $jResp "expirationTimestamp"]
set merchantMetadataMerchantReferenceId [CkJsonObject_stringOf $jResp "merchantMetadata.merchantReferenceId"]
set merchantMetadataMerchantStoreName [CkJsonObject_stringOf $jResp "merchantMetadata.merchantStoreName"]
set merchantMetadataNoteToBuyer [CkJsonObject_stringOf $jResp "merchantMetadata.noteToBuyer"]
set merchantMetadataCustomInformation [CkJsonObject_stringOf $jResp "merchantMetadata.customInformation"]
set platformId [CkJsonObject_stringOf $jResp "platformId"]
set limitsAmountLimitAmount [CkJsonObject_stringOf $jResp "limits.amountLimit.amount"]
set limitsAmountLimitCurrencyCode [CkJsonObject_stringOf $jResp "limits.amountLimit.currencyCode"]
set limitsAmountBalanceAmount [CkJsonObject_stringOf $jResp "limits.amountBalance.amount"]
set limitsAmountBalanceCurrencyCode [CkJsonObject_stringOf $jResp "limits.amountBalance.currencyCode"]
set presentmentCurrency [CkJsonObject_stringOf $jResp "presentmentCurrency"]
set i 0
set count_i [CkJsonObject_SizeOfArray $jResp "paymentPreferences"]
while {$i < $count_i} {
    CkJsonObject_put_I $jResp $i
    set paymentDescriptor [CkJsonObject_stringOf $jResp "paymentPreferences[i].paymentDescriptor"]
    set i [expr $i + 1]
}

delete_CkHttp $http
delete_CkJsonObject $json
delete_CkStringBuilder $sbRequestBody
delete_CkPrivateKey $privKey
delete_CkHttpResponse $resp
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp