(PowerShell) Paynow.pl -- Make a Payment Request

Make a payment request POST with prepared message on Paynow payment request endpoint.

For more information, see https://docs.paynow.pl/#section/Payments/Make-a-payment

Chilkat .NET Downloads Chilkat .NET Assemblies

Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

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

$http = New-Object Chilkat.Http

# Implements the following CURL command:

# curl --request POST 'https://api.sandbox.paynow.pl/v1/payments' \
# -H 'Content-Type: application/json' \
# -H 'Api-Key: c12c386b-650b-43db-9430-d84fc05d9433' \
# -H 'Signature: aYPCytCoc+/wFgqHZJjgBCi20omXTn0yzm9LysJgnFo=' \
# -H 'Idempotency-Key: 59c6dd26-f905-487b-96c9-fd1d2bd76885' \
# --data-raw '{
#     "amount": 45671,
#     "externalId": "234567898654",
#     "description": "Test transaction",
#     "buyer": {
#         "email": "jan.kowalski@melements.pl"
#     }
# }'

# 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.

# {
#   "amount": 45671,
#   "externalId": "234567898654",
#   "description": "Test transaction",
#   "buyer": {
#     "email": "jan.kowalski@melements.pl"
#   }
# }

$json = New-Object Chilkat.JsonObject
$json.UpdateInt("amount",45671)
$json.UpdateString("externalId","234567898654")
$json.UpdateString("description","Test transaction")
$json.UpdateString("buyer.email","jan.kowalski@melements.pl")

$myApiAccessKey = "c12c386b-650b-43db-9430-d84fc05d9433"
$mySigCalcKey = "b758f20d-ba92-44fa-acca-f57e99787b9d"

# Calculate the Signature header.
$crypt = New-Object Chilkat.Crypt2
$crypt.MacAlgorithm = "hmac"
$crypt.EncodingMode = "base64"
$crypt.SetMacKeyString($mySigCalcKey)
$crypt.HashAlgorithm = "SHA-256"
$messageBody = $json.Emit()
$signature = $crypt.MacStringENC($messageBody)

$http.SetRequestHeader("Idempotency-Key",$crypt.GenerateUuid())
$http.SetRequestHeader("Api-Key",$myApiAccessKey)
$http.SetRequestHeader("Signature",$signature)
$http.SetRequestHeader("Content-Type","application/json")
$http.Accept = "application/json"

$resp = $http.PostJson3("https://api.sandbox.paynow.pl/v1/payments","application/json",$json)
if ($http.LastMethodSuccess -eq $false) {
    $($http.LastErrorText)
    exit
}

$("Response body:")
$($resp.BodyStr)

# Sample response:
# {
#   "redirectUrl": "https://paywall.sandbox.paynow.pl/NOA0-YJ9-Y1P-29V?token=eyJraWQiOiJhMD ... L60wk",
#   "paymentId": "NOA0-YJ9-Y1P-29V",
#   "status": "NEW"
# }

$jsonResp = New-Object Chilkat.JsonObject
$jsonResp.Load($resp.BodyStr)
$redirectUrl = $json.StringOf("redirectUrl")
$paymentId = $json.StringOf("paymentId")
$status = $json.StringOf("status")