PureBasic
PureBasic
PayPal - Create Direct Credit Card Payment
See more PayPal Examples
Creates 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.
Chilkat PureBasic Downloads
IncludeFile "CkStringBuilder.pb"
IncludeFile "CkJsonObject.pb"
IncludeFile "CkRest.pb"
Procedure ChilkatExample()
success.i = 0
; 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)
jsonToken.i = CkJsonObject::ckCreate()
If jsonToken.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::ckLoadFile(jsonToken,"qa_data/tokens/paypal.json")
; Build the Authorization request header field value.
sbAuth.i = CkStringBuilder::ckCreate()
If sbAuth.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
; token_type should be "Bearer"
CkStringBuilder::ckAppend(sbAuth,CkJsonObject::ckStringOf(jsonToken,"token_type"))
CkStringBuilder::ckAppend(sbAuth," ")
CkStringBuilder::ckAppend(sbAuth,CkJsonObject::ckStringOf(jsonToken,"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.
rest.i = CkRest::ckCreate()
If rest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
bAutoReconnect.i = 1
success = CkRest::ckConnect(rest,"api.sandbox.paypal.com",443,1,bAutoReconnect)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
ProcedureReturn
EndIf
; ----------------------------------------------------------------------------------------------
; 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.
json.i = CkJsonObject::ckCreate()
If json.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::setCkEmitCompact(json, 0)
CkJsonObject::ckUpdateString(json,"intent","sale")
CkJsonObject::ckUpdateString(json,"payer.payment_method","credit_card")
CkJsonObject::ckUpdateString(json,"payer.funding_instruments[0].credit_card.number","4032034813337237")
CkJsonObject::ckUpdateString(json,"payer.funding_instruments[0].credit_card.type","visa")
CkJsonObject::ckUpdateString(json,"payer.funding_instruments[0].credit_card.expire_month","9")
CkJsonObject::ckUpdateString(json,"payer.funding_instruments[0].credit_card.expire_year","2028")
CkJsonObject::ckUpdateString(json,"payer.funding_instruments[0].credit_card.cvv2","123")
CkJsonObject::ckUpdateString(json,"transactions[0].amount.total","10.00")
CkJsonObject::ckUpdateString(json,"transactions[0].amount.currency","USD")
CkJsonObject::ckUpdateString(json,"transactions[0].payee.email","payee@example.com")
; Use a sandbox CC number for testing:
; 
Debug CkJsonObject::ckEmit(json)
; The JSON created by the above code is this:
; -----------------------------------------------------------------
; Ensure that payee@example.com is a valid sandbox business account
; -----------------------------------------------------------------
; {
; "intent": "sale",
; "payer": {
; "payment_method": "credit_card",
; "funding_instruments": [
; {
; "credit_card": {
; "number": "4032034813337237",
; "type": "visa",
; "expire_month": "9",
; "expire_year": "2028",
; "cvv2": "123"
; }
; }
; ]
; },
; "transactions": [
; {
; "amount": {
; "total": "10.00",
; "currency": "USD"
; },
; "payee": {
; "email": "payee@example.com"
; }
; }
; ]
; }
CkRest::ckAddHeader(rest,"Authorization",CkStringBuilder::ckGetAsString(sbAuth))
CkRest::ckAddHeader(rest,"Content-Type","application/json")
; Send the POST request containign the JSON in the request body, and get the JSON response.
sbJsonRequest.i = CkStringBuilder::ckCreate()
If sbJsonRequest.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
CkJsonObject::setCkEmitCompact(json, 1)
CkJsonObject::ckEmitSb(json,sbJsonRequest)
sbJsonResponse.i = CkStringBuilder::ckCreate()
If sbJsonResponse.i = 0
Debug "Failed to create object."
ProcedureReturn
EndIf
success = CkRest::ckFullRequestSb(rest,"POST","/v1/payments/payment",sbJsonRequest,sbJsonResponse)
If success <> 1
Debug CkRest::ckLastErrorText(rest)
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbJsonRequest)
CkStringBuilder::ckDispose(sbJsonResponse)
ProcedureReturn
EndIf
CkJsonObject::setCkEmitCompact(json, 0)
CkJsonObject::ckLoadSb(json,sbJsonResponse)
Debug "Response Status Code = " + Str(CkRest::ckResponseStatusCode(rest))
; Did we get a 201 success response?
If CkRest::ckResponseStatusCode(rest) <> 201
Debug CkJsonObject::ckEmit(json)
Debug "Failed."
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbJsonRequest)
CkStringBuilder::ckDispose(sbJsonResponse)
ProcedureReturn
EndIf
; Sample response JSON is shown below.
Debug CkJsonObject::ckEmit(json)
; Demonstrate how to access a few parts of the JSON response..
Debug "cc number: " + CkJsonObject::ckStringOf(json,"payer.funding_instruments[0].credit_card.number")
Debug "subtotal: " + CkJsonObject::ckStringOf(json,"transactions[0].amount.details.subtotal")
Debug "refund href: " + CkJsonObject::ckStringOf(json,"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"
; }
; ]
; }
;
CkJsonObject::ckDispose(jsonToken)
CkStringBuilder::ckDispose(sbAuth)
CkRest::ckDispose(rest)
CkJsonObject::ckDispose(json)
CkStringBuilder::ckDispose(sbJsonRequest)
CkStringBuilder::ckDispose(sbJsonResponse)
ProcedureReturn
EndProcedure