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(VB.NET UWP/WinRT) PayPal - Create Direct Credit Card PaymentCreates a direct credit card payment where your application passes the credit card, shipping, and payment information to PayPal. Note: For sandbox calls, you can use the credit card numbers provided in your sandbox test accounts. Note: This is an example where you handle the card data directly, and therefore you would need to ensure you are PCI compliant. There are other ways to create a payment where your application does NOT handle the credit card data directly. Note: This example requires Chilkat v9.5.0.64 or greater.
' Note: Requires Chilkat v9.5.0.64 or greater. ' This requires the Chilkat API to have been previously unlocked. ' See Global Unlock Sample for sample code. ' Load our previously obtained access token. (see PayPal OAuth2 Access Token) Dim jsonToken As New Chilkat.JsonObject jsonToken.LoadFile("qa_data/tokens/paypal.json") ' Build the Authorization request header field value. Dim sbAuth As New Chilkat.StringBuilder ' token_type should be "Bearer" sbAuth.Append(jsonToken.StringOf("token_type")) sbAuth.Append(" ") sbAuth.Append(jsonToken.StringOf("access_token")) ' Make the initial connection. ' A single REST object, once connected, can be used for many PayPal REST API calls. ' The auto-reconnect indicates that if the already-established HTTPS connection is closed, ' then it will be automatically re-established as needed. Dim rest As New Chilkat.Rest Dim bAutoReconnect As Boolean = True Dim success As Boolean = Await rest.ConnectAsync("api.sandbox.paypal.com",443,True,bAutoReconnect) If (success <> True) Then Debug.WriteLine(rest.LastErrorText) Exit Sub End If ' ---------------------------------------------------------------------------------------------- ' The code above this comment could be placed inside a function/subroutine within the application ' because the connection does not need to be made for every request. Once the connection is made ' the app may send many requests.. ' ---------------------------------------------------------------------------------------------- ' Build the JSON containing the credit card data and transaction information. Dim json As New Chilkat.JsonObject json.EmitCompact = False json.UpdateString("intent","sale") json.UpdateString("payer.payment_method","credit_card") json.UpdateString("payer.funding_instruments[0].credit_card.number","4032031087659974") json.UpdateString("payer.funding_instruments[0].credit_card.type","visa") ' Do NOT include a leading zero. For example, do not use "09" for the month. json.UpdateNumber("payer.funding_instruments[0].credit_card.expire_month","9") json.UpdateNumber("payer.funding_instruments[0].credit_card.expire_year","2021") json.UpdateNumber("payer.funding_instruments[0].credit_card.cvv2","111") json.UpdateString("payer.funding_instruments[0].credit_card.first_name","Joe") json.UpdateString("payer.funding_instruments[0].credit_card.last_name","Buyer") json.UpdateString("transactions[0].amount.total","7.47") json.UpdateString("transactions[0].amount.currency","USD") json.UpdateString("transactions[0].description","This is the payment transaction description.") Debug.WriteLine(json.Emit()) ' The JSON created by the above code is this: ' { ' "intent": "sale", ' "payer": { ' "payment_method": "credit_card", ' "funding_instruments": [ ' { ' "credit_card": { ' "number": "4032031087659974", ' "type": "visa", ' "expire_month": 9, ' "expire_year": 2021, ' "cvv2": 111, ' "first_name": "Joe", ' "last_name": "Buyer" ' } ' } ' ] ' }, ' "transactions": [ ' { ' "amount": { ' "total": "7.47", ' "currency": "USD" ' }, ' "description": "This is the payment transaction description." ' } ' ] ' } rest.AddHeader("Authorization",sbAuth.GetAsString()) rest.AddHeader("Content-Type","application/json") ' Send the POST request containign the JSON in the request body, and get the JSON response. Dim sbJsonRequest As New Chilkat.StringBuilder json.EmitCompact = True json.EmitSb(sbJsonRequest) Dim sbJsonResponse As New Chilkat.StringBuilder success = Await rest.FullRequestSbAsync("POST","/v1/payments/payment",sbJsonRequest,sbJsonResponse) If (success <> True) Then Debug.WriteLine(rest.LastErrorText) Exit Sub End If json.EmitCompact = False json.LoadSb(sbJsonResponse) Debug.WriteLine("Response Status Code = " & rest.ResponseStatusCode) ' Did we get a 201 success response? If (rest.ResponseStatusCode <> 201) Then Debug.WriteLine(json.Emit()) Debug.WriteLine("Failed.") Exit Sub End If ' Sample response JSON is shown below. Debug.WriteLine(json.Emit()) ' Demonstrate how to access a few parts of the JSON response.. Debug.WriteLine("cc number: " & json.StringOf("payer.funding_instruments[0].credit_card.number")) Debug.WriteLine("subtotal: " & json.StringOf("transactions[0].amount.details.subtotal")) Debug.WriteLine("refund href: " & json.StringOf("transactions[0].related_resources[0].sale.links[1].href")) ' { ' "id": "PAY-66A12106PU3254228LA3BYKI", ' "create_time": "2016-11-23T22:46:01Z", ' "update_time": "2016-11-23T22:46:07Z", ' "state": "approved", ' "intent": "sale", ' "payer": { ' "payment_method": "credit_card", ' "funding_instruments": [ ' { ' "credit_card": { ' "type": "visa", ' "number": "xxxxxxxxxxxx9974", ' "expire_month": "9", ' "expire_year": "2021", ' "first_name": "Joe", ' "last_name": "Buyer" ' } ' } ' ] ' }, ' "transactions": [ ' { ' "amount": { ' "total": "7.47", ' "currency": "USD", ' "details": { ' "subtotal": "7.47" ' } ' }, ' "description": "This is the payment transaction description.", ' "related_resources": [ ' { ' "sale": { ' "id": "70L88278E6781074B", ' "create_time": "2016-11-23T22:46:01Z", ' "update_time": "2016-11-23T22:46:07Z", ' "amount": { ' "total": "7.47", ' "currency": "USD" ' }, ' "state": "completed", ' "parent_payment": "PAY-66A12106PU3254228LA3BYKI", ' "links": [ ' { ' "href": "https://api.sandbox.paypal.com/v1/payments/sale/70L88278E6781074B", ' "rel": "self", ' "method": "GET" ' }, ' { ' "href": "https://api.sandbox.paypal.com/v1/payments/sale/70L88278E6781074B/refund", ' "rel": "refund", ' "method": "POST" ' }, ' { ' "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-66A12106PU3254228LA3BYKI", ' "rel": "parent_payment", ' "method": "GET" ' } ' ], ' "fmf_details": {}, ' "processor_response": { ' "avs_code": "X", ' "cvv_code": "M" ' } ' } ' } ' ] ' } ' ' ], ' "links": [ ' { ' "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-66A12106PU3254228LA3BYKI", ' "rel": "self", ' "method": "GET" ' } ' ] ' } ' |
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