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Unicode C

Amazon Pay - Complete Checkout Session

See more Amazon Pay Examples

Complete Checkout Session after the buyer returns to checkoutResultReturnUrl to finalize the paymentIntent.

Chilkat Unicode C Downloads

Unicode C
#include <C_CkHttpW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkPrivateKeyW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    HCkJsonObjectW json;
    HCkPrivateKeyW privKey;
    const wchar_t *publicKeyId;
    HCkHttpResponseW resp;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW jResp;
    int respStatusCode;
    BOOL nullVal;
    const wchar_t *checkoutSessionId;
    const wchar_t *webCheckoutDetails;
    const wchar_t *chargePermissionType;
    const wchar_t *recurringMetadata;
    const wchar_t *productType;
    const wchar_t *paymentDetails;
    const wchar_t *merchantMetadata;
    const wchar_t *supplementaryData;
    const wchar_t *buyer;
    const wchar_t *billingAddress;
    const wchar_t *statusDetailsState;
    const wchar_t *statusDetailsReasonCode;
    const wchar_t *statusDetailsReasonDescription;
    const wchar_t *statusDetailsLastUpdatedTimestamp;
    const wchar_t *shippingAddress;
    const wchar_t *platformId;
    const wchar_t *chargePermissionId;
    const wchar_t *chargeId;
    const wchar_t *creationTimestamp;
    const wchar_t *expirationTimestamp;
    const wchar_t *storeId;
    const wchar_t *deliverySpecifications;
    const wchar_t *providerMetadata;
    const wchar_t *releaseEnvironment;
    int i;
    int count_i;

    success = FALSE;

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

    http = CkHttpW_Create();

    //  Implements the following CURL command:

    //  curl "https://pay-api.amazon.com/:version/checkoutSessions/:checkoutSessionId/complete" \
    //  -X POST
    //  -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
    //  -H "x-amz-pay-date:20201012T235046Z"
    //  -H "x-amz-pay-idempotency-key:AVLo5tI10BHgEk2jEXAMPLEKEY"
    //  -d '{
    //      "chargeAmount": {
    //          "amount": "14.00",
    //          "currencyCode": "USD"
    //      }
    //  }'

    //  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.

    //  {
    //    "chargeAmount": {
    //      "amount": "14.00",
    //      "currencyCode": "USD"
    //    }
    //  }

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"chargeAmount.amount",L"14.00");
    CkJsonObjectW_UpdateString(json,L"chargeAmount.currencyCode",L"USD");

    //  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.
    privKey = CkPrivateKeyW_Create();
    success = CkPrivateKeyW_LoadPemFile(privKey,L"C:/someDir/myAmazonPayPrivateKey.pem");
    if (success == FALSE) {
        wprintf(L"%s\n",CkPrivateKeyW_lastErrorText(privKey));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkPrivateKeyW_Dispose(privKey);
        return;
    }

    //  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
    publicKeyId = L"SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
    success = CkHttpW_SetAuthPrivateKey(http,publicKeyId,privKey);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkPrivateKeyW_Dispose(privKey);
        return;
    }

    //  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
    //  x-amz-pay-idempotency-key
    //  Authorization

    CkHttpW_putAccept(http,L"application/json");

    //  To use the live system, replace "sandbox" with "live" in the URL passed to HttpJson.
    //  Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    success = CkHttpW_SetUrlVar(http,L"sessionId",L"62b7d028-6c7c-4a43-b077-3897dff27c5b");
    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpJson(http,L"POST",L"https://pay-api.amazon.eu/sandbox/v2/checkoutSessions/{$sessionId}/complete",json,L"application/json",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkPrivateKeyW_Dispose(privKey);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    sbResponseBody = CkStringBuilderW_Create();
    CkHttpResponseW_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,sbResponseBody);
    CkJsonObjectW_putEmitCompact(jResp,FALSE);

    //  If the status code is not equal to 200, this will display error information.
    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",CkJsonObjectW_emit(jResp));

    respStatusCode = CkHttpResponseW_getStatusCode(resp);
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode != 200) {

        //  A sample response body for the case where the session ID does not exist:
        //  	{
        //  	  "reasonCode": "ResourceNotFound",
        //  	  "message": "Resource you are trying to access is not available. Requested path '/sandbox/v2/checkoutSessions/bd504926-f659-4ad7-a1a9-9a747aaf5275'"
        //  	}

        //  Another sample failure response (status code = 422)
        //  	{
        //  	  "reasonCode": "InvalidCheckoutSessionStatus",
        //  	  "message": "You tried to call an operation on a Checkout Session that is in a state where that operation is not allowed"
        //  	}

        wprintf(L"Failed.\n");
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkPrivateKeyW_Dispose(privKey);
        CkHttpResponseW_Dispose(resp);
        CkStringBuilderW_Dispose(sbResponseBody);
        CkJsonObjectW_Dispose(jResp);
        return;
    }

    //  Sample JSON response:
    //  (Sample code for parsing the JSON response is shown below)

    //  {
    //    "checkoutSessionId": "bd504926-f659-4ad7-a1a9-9a747aaf5275",
    //    "webCheckoutDetails": null,
    //    "chargePermissionType": "OneTime",
    //    "recurringMetadata": null,
    //    "productType": null,
    //    "paymentDetails": null,
    //    "merchantMetadata": null,
    //    "supplementaryData": null,
    //    "buyer": null,
    //    "billingAddress": null,
    //    "paymentPreferences": [
    //      null
    //    ],
    //    "statusDetails": {
    //      "state": "Completed",
    //      "reasonCode": null,
    //      "reasonDescription": null,
    //      "lastUpdatedTimestamp": "20191015T204327Z"
    //    },
    //    "shippingAddress": null,
    //    "platformId": null,
    //    "chargePermissionId": "S01-5105180-3221187",
    //    "chargeId": "S01-5105180-3221187-C056351",
    //    "constraints": [
    //      null
    //    ],
    //    "creationTimestamp": "20191015T204313Z",
    //    "expirationTimestamp": null,
    //    "storeId": null,
    //    "deliverySpecifications": null,
    //    "providerMetadata": null,
    //    "releaseEnvironment": null
    //  }

    //  Sample code for parsing the JSON response...
    //  Use the following online tool to generate parsing code from sample JSON:
    //  Generate Parsing Code from JSON

    //  Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    //  See this example explaining how this memory should be used: const char * functions.

    checkoutSessionId = CkJsonObjectW_stringOf(jResp,L"checkoutSessionId");
    webCheckoutDetails = CkJsonObjectW_stringOf(jResp,L"webCheckoutDetails");
    chargePermissionType = CkJsonObjectW_stringOf(jResp,L"chargePermissionType");
    recurringMetadata = CkJsonObjectW_stringOf(jResp,L"recurringMetadata");
    productType = CkJsonObjectW_stringOf(jResp,L"productType");
    paymentDetails = CkJsonObjectW_stringOf(jResp,L"paymentDetails");
    merchantMetadata = CkJsonObjectW_stringOf(jResp,L"merchantMetadata");
    supplementaryData = CkJsonObjectW_stringOf(jResp,L"supplementaryData");
    buyer = CkJsonObjectW_stringOf(jResp,L"buyer");
    billingAddress = CkJsonObjectW_stringOf(jResp,L"billingAddress");
    statusDetailsState = CkJsonObjectW_stringOf(jResp,L"statusDetails.state");
    statusDetailsReasonCode = CkJsonObjectW_stringOf(jResp,L"statusDetails.reasonCode");
    statusDetailsReasonDescription = CkJsonObjectW_stringOf(jResp,L"statusDetails.reasonDescription");
    statusDetailsLastUpdatedTimestamp = CkJsonObjectW_stringOf(jResp,L"statusDetails.lastUpdatedTimestamp");
    shippingAddress = CkJsonObjectW_stringOf(jResp,L"shippingAddress");
    platformId = CkJsonObjectW_stringOf(jResp,L"platformId");
    chargePermissionId = CkJsonObjectW_stringOf(jResp,L"chargePermissionId");
    chargeId = CkJsonObjectW_stringOf(jResp,L"chargeId");
    creationTimestamp = CkJsonObjectW_stringOf(jResp,L"creationTimestamp");
    expirationTimestamp = CkJsonObjectW_stringOf(jResp,L"expirationTimestamp");
    storeId = CkJsonObjectW_stringOf(jResp,L"storeId");
    deliverySpecifications = CkJsonObjectW_stringOf(jResp,L"deliverySpecifications");
    providerMetadata = CkJsonObjectW_stringOf(jResp,L"providerMetadata");
    releaseEnvironment = CkJsonObjectW_stringOf(jResp,L"releaseEnvironment");
    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jResp,L"paymentPreferences");
    while (i < count_i) {
        CkJsonObjectW_putI(jResp,i);
        nullVal = CkJsonObjectW_IsNullOf(jResp,L"paymentPreferences[i]");
        i = i + 1;
    }

    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jResp,L"constraints");
    while (i < count_i) {
        CkJsonObjectW_putI(jResp,i);
        nullVal = CkJsonObjectW_IsNullOf(jResp,L"constraints[i]");
        i = i + 1;
    }



    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(json);
    CkPrivateKeyW_Dispose(privKey);
    CkHttpResponseW_Dispose(resp);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jResp);

    }