Unicode C
Unicode C
PayPal - Create Stored Credit Card Payment
See more PayPal Examples
Creates a credit card payment using a card ID from a previously stored credit card (where the credit card was stored in PayPal's vault).Note: For sandbox calls, you can use the credit card numbers provided in your sandbox test accounts.
Note: This example requires Chilkat v9.5.0.65 or greater.
Chilkat Unicode C Downloads
#include <C_CkJsonObjectW.h>
#include <C_CkStringBuilderW.h>
#include <C_CkRestW.h>
void ChilkatSample(void)
{
BOOL success;
HCkJsonObjectW jsonToken;
HCkStringBuilderW sbAuth;
HCkRestW rest;
BOOL bAutoReconnect;
HCkJsonObjectW json;
HCkStringBuilderW sbJsonRequest;
HCkStringBuilderW sbJsonResponse;
success = FALSE;
// Note: Requires Chilkat v9.5.0.65 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 = CkJsonObjectW_Create();
CkJsonObjectW_LoadFile(jsonToken,L"qa_data/tokens/paypal.json");
// Build the Authorization request header field value.
sbAuth = CkStringBuilderW_Create();
// token_type should be "Bearer"
CkStringBuilderW_Append(sbAuth,CkJsonObjectW_stringOf(jsonToken,L"token_type"));
CkStringBuilderW_Append(sbAuth,L" ");
CkStringBuilderW_Append(sbAuth,CkJsonObjectW_stringOf(jsonToken,L"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 = CkRestW_Create();
bAutoReconnect = TRUE;
success = CkRestW_Connect(rest,L"api.sandbox.paypal.com",443,TRUE,bAutoReconnect);
if (success != TRUE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkJsonObjectW_Dispose(jsonToken);
CkStringBuilderW_Dispose(sbAuth);
CkRestW_Dispose(rest);
return;
}
// ----------------------------------------------------------------------------------------------
// 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..
// ----------------------------------------------------------------------------------------------
// We previously stored the user's credit card data in PayPal's vault.
// See Store Card in PayPal Vault for sample code.
// Build the JSON containing the stored credit card information and transaction information.
json = CkJsonObjectW_Create();
CkJsonObjectW_putEmitCompact(json,FALSE);
CkJsonObjectW_UpdateString(json,L"intent",L"sale");
CkJsonObjectW_UpdateString(json,L"payer.payment_method",L"credit_card");
CkJsonObjectW_UpdateString(json,L"payer.funding_instruments[0].credit_card_token.credit_card_id",L"CARD-52W84623JH8043102LA3CLGA");
CkJsonObjectW_UpdateString(json,L"payer.funding_instruments[0].credit_card_token.payer_id",L"user12345");
CkJsonObjectW_UpdateString(json,L"transactions[0].amount.total",L"6.70");
CkJsonObjectW_UpdateString(json,L"transactions[0].amount.currency",L"USD");
CkJsonObjectW_UpdateString(json,L"transactions[0].description",L"This is the payment transaction description.");
wprintf(L"%s\n",CkJsonObjectW_emit(json));
// The JSON created by the above code is this:
// {
// "intent": "sale",
// "payer": {
// "payment_method": "credit_card",
// "funding_instruments": [
// {
// "credit_card_token": {
// "credit_card_id": "CARD-52W84623JH8043102LA3CLGA",
// "payer_id": "user12345"
// }
// }
// ]
// },
// "transactions": [
// {
// "amount": {
// "total": "6.70",
// "currency": "USD"
// },
// "description": "This is the payment transaction description."
// }
// ]
// }
CkRestW_AddHeader(rest,L"Authorization",CkStringBuilderW_getAsString(sbAuth));
CkRestW_AddHeader(rest,L"Content-Type",L"application/json");
// Send the POST request containign the JSON in the request body, and get the JSON response.
sbJsonRequest = CkStringBuilderW_Create();
CkJsonObjectW_putEmitCompact(json,TRUE);
CkJsonObjectW_EmitSb(json,sbJsonRequest);
sbJsonResponse = CkStringBuilderW_Create();
success = CkRestW_FullRequestSb(rest,L"POST",L"/v1/payments/payment",sbJsonRequest,sbJsonResponse);
if (success != TRUE) {
wprintf(L"%s\n",CkRestW_lastErrorText(rest));
CkJsonObjectW_Dispose(jsonToken);
CkStringBuilderW_Dispose(sbAuth);
CkRestW_Dispose(rest);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbJsonRequest);
CkStringBuilderW_Dispose(sbJsonResponse);
return;
}
CkJsonObjectW_putEmitCompact(json,FALSE);
CkJsonObjectW_LoadSb(json,sbJsonResponse);
wprintf(L"Response Status Code = %d\n",CkRestW_getResponseStatusCode(rest));
// Did we get a 201 success response?
if (CkRestW_getResponseStatusCode(rest) != 201) {
wprintf(L"%s\n",CkJsonObjectW_emit(json));
wprintf(L"Failed.\n");
CkJsonObjectW_Dispose(jsonToken);
CkStringBuilderW_Dispose(sbAuth);
CkRestW_Dispose(rest);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbJsonRequest);
CkStringBuilderW_Dispose(sbJsonResponse);
return;
}
// Sample JSON response is shown below.
wprintf(L"%s\n",CkJsonObjectW_emit(json));
// Demonstrate how to access a few parts of the JSON response..
wprintf(L"credit_card_id: %s\n",CkJsonObjectW_stringOf(json,L"payer.funding_instruments[0].credit_card_token.credit_card_id"));
wprintf(L"subtotal: %s\n",CkJsonObjectW_stringOf(json,L"transactions[0].amount.details.subtotal"));
wprintf(L"refund href: %s\n",CkJsonObjectW_stringOf(json,L"transactions[0].related_resources[0].sale.links[1].href"));
wprintf(L"success\n");
// ------------------------------------------------
// A sample JSON response:
// {
// "id": "PAY-12T35751GS725073SLA3CQNQ",
// "create_time": "2016-11-23T23:37:26Z",
// "update_time": "2016-11-23T23:37:31Z",
// "state": "approved",
// "intent": "sale",
// "payer": {
// "payment_method": "credit_card",
// "funding_instruments": [
// {
// "credit_card_token": {
// "credit_card_id": "CARD-52W84623JH8043102LA3CLGA",
// "payer_id": "user12345",
// "last4": "9974",
// "type": "visa",
// "expire_month": "9",
// "expire_year": "2021"
// }
// }
// ]
// },
// "transactions": [
// {
// "amount": {
// "total": "6.70",
// "currency": "USD",
// "details": {
// "subtotal": "6.70"
// }
// },
// "description": "This is the payment transaction description.",
// "related_resources": [
// {
// "sale": {
// "id": "4F194018A1618453G",
// "create_time": "2016-11-23T23:37:26Z",
// "update_time": "2016-11-23T23:37:31Z",
// "amount": {
// "total": "6.70",
// "currency": "USD"
// },
// "state": "completed",
// "parent_payment": "PAY-12T35751GS725073SLA3CQNQ",
// "links": [
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/sale/4F194018A1618453G",
// "rel": "self",
// "method": "GET"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/sale/4F194018A1618453G/refund",
// "rel": "refund",
// "method": "POST"
// },
// {
// "href": "https://api.sandbox.paypal.com/v1/payments/payment/PAY-12T35751GS725073SLA3CQNQ",
// "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-12T35751GS725073SLA3CQNQ",
// "rel": "self",
// "method": "GET"
// }
// ]
// }
//
CkJsonObjectW_Dispose(jsonToken);
CkStringBuilderW_Dispose(sbAuth);
CkRestW_Dispose(rest);
CkJsonObjectW_Dispose(json);
CkStringBuilderW_Dispose(sbJsonRequest);
CkStringBuilderW_Dispose(sbJsonResponse);
}