Sample code for 30+ languages & platforms
Tcl

Amazon Pay - Get Charge Permission

See more Amazon Pay Examples

Get Charge Permission to determine if this Charge Permission can be used to charge the buyer.

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 GET
# 	-H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
# 	-H "x-amz-pay-date:20201012T235046Z"

# Use the following online tool to generate HTTP code from a CURL command
# Convert a cURL Command to HTTP Source Code

# 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_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_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 respStatusCode 0

set sbResponseBody [new_CkStringBuilder]

set success [CkHttp_SetUrlVar $http "chargePermissionId" "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
set success [CkHttp_QuickGetSb $http "https://pay-api.amazon.eu/sandbox/v2/chargePermissions/{$chargePermissionId}" $sbResponseBody]
if {$success == 0} then {
    # If the LastStatus is not equal to 0, then we received a response, but it was an error response.
    set respStatusCode [CkHttp_get_LastStatus $http]
    if {$respStatusCode != 0} then {
        puts "Response Status Code = $respStatusCode"
        puts "Response body:"
        puts [CkHttp_lastResponseBody $http]
    }     else {
        puts [CkHttp_lastErrorText $http]
    }

    delete_CkHttp $http
    delete_CkPrivateKey $privKey
    delete_CkStringBuilder $sbResponseBody
    exit
}

set jResp [new_CkJsonObject]

CkJsonObject_LoadSb $jResp $sbResponseBody
CkJsonObject_put_EmitCompact $jResp 0

puts "Response Body:"
puts [CkJsonObject_emit $jResp]

set respStatusCode [CkHttp_get_LastStatus $http]
puts "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 {
    puts "Failed."
    delete_CkHttp $http
    delete_CkPrivateKey $privKey
    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_CkPrivateKey $privKey
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $jResp