(C) Amazon Pay - Get Buyer

See more Amazon Pay Examples

Get buyer details.

Note: This example requires Chilkat v9.5.0.89 or later. Contact support@chilkatsoft.com to get a v9.5.0.89 pre-release for testing.

For more information, see https://developer.amazon.com/docs/amazon-pay-api-v2/buyer.html#get-buyer

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#include <C_CkHttp.h>
#include <C_CkPrivateKey.h>
#include <C_CkStringBuilder.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkHttp http;
    BOOL success;
    HCkPrivateKey privKey;
    const char *publicKeyId;
    int respStatusCode;
    HCkStringBuilder sbResponseBody;
    HCkJsonObject jResp;
    const char *name;
    const char *email;
    const char *postalCode;
    const char *countryCode;
    const char *buyerId;
    const char *phoneNumber;
    const char *shippingAddressName;
    const char *shippingAddressAddressLine1;
    const char *shippingAddressAddressLine2;
    const char *shippingAddressAddressLine3;
    const char *shippingAddressCity;
    const char *shippingAddressCounty;
    const char *shippingAddressDistrict;
    const char *shippingAddressStateOrRegion;
    const char *shippingAddressCountry;
    const char *shippingAddressPostalCode;
    const char *shippingAddressPhoneNumber;
    const char *billingAddress;
    const char *primeMembershipTypes;

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

    http = CkHttp_Create();

    // Implements the following CURL command:

    // curl "https://pay-api.amazon.com/:version/buyers/:buyerToken" \
    // 	-X GET
    // 	-H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
    // 	-H "x-amz-pay-date:20201012T235046Z"

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // 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 = CkPrivateKey_Create();
    success = CkPrivateKey_LoadPemFile(privKey,"C:/someDir/myAmazonPayPrivateKey.pem");
    if (success == FALSE) {
        printf("%s\n",CkPrivateKey_lastErrorText(privKey));
        CkHttp_Dispose(http);
        CkPrivateKey_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 = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
    success = CkHttp_SetAuthPrivateKey(http,publicKeyId,privKey);
    if (success == FALSE) {
        printf("%s\n",CkHttp_lastErrorText(http));
        CkHttp_Dispose(http);
        CkPrivateKey_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
    // Authorization

    CkHttp_putAccept(http,"application/json");

    respStatusCode = 0;

    sbResponseBody = CkStringBuilder_Create();
    success = CkHttp_SetUrlVar(http,"buyerToken","BUYER_TOKEN");
    // To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
    // Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    success = CkHttp_QuickGetSb(http,"https://pay-api.amazon.eu/sandbox/v2/buyers/{$buyerToken}",sbResponseBody);
    if (success == FALSE) {
        // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
        respStatusCode = CkHttp_getLastStatus(http);
        if (respStatusCode != 0) {
            printf("Response Status Code = %d\n",respStatusCode);
            // Here is a sample response body for the case where the buyer token does not exist:
            // {"reasonCode":"InvalidBuyerToken","message":"The token provided is expired, revoked, malformed, or invalid for other reasons."}

            printf("Response body:\n");
            printf("%s\n",CkHttp_lastResponseBody(http));
        }
        else {
            printf("%s\n",CkHttp_lastErrorText(http));
        }

        CkHttp_Dispose(http);
        CkPrivateKey_Dispose(privKey);
        CkStringBuilder_Dispose(sbResponseBody);
        return;
    }

    jResp = CkJsonObject_Create();
    CkJsonObject_LoadSb(jResp,sbResponseBody);
    CkJsonObject_putEmitCompact(jResp,FALSE);

    printf("Response Body:\n");
    printf("%s\n",CkJsonObject_emit(jResp));

    respStatusCode = CkHttp_getLastStatus(http);
    printf("Response Status Code = %d\n",respStatusCode);
    // We expect a 200 status code for success.
    // Note: Some Amazon Pay API calls return 200 for success, others return 201.
    if (respStatusCode != 200) {
        printf("Failed.\n");
        CkHttp_Dispose(http);
        CkPrivateKey_Dispose(privKey);
        CkStringBuilder_Dispose(sbResponseBody);
        CkJsonObject_Dispose(jResp);
        return;
    }

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

    // {
    // 	"name": "John Example",
    // 	"email": "johnexample@amazon.com",
    // 	"postalCode": "12345",
    // 	"countryCode": "US",
    // 	"buyerId": "DIRECTEDBUYERID",
    // 	"phoneNumber": "1234567811" // default billing address phone number
    // 	"shippingAddress": {
    // 		"name": "John",
    // 		"addressLine1": "15th Street",
    // 		"addressLine2": "",
    // 		"addressLine3": "",
    // 		"city": "Seattle", 
    // 		"county": "",
    // 		"district": "",
    // 		"stateOrRegion": "WA",
    // 		"country": "USA",
    // 		"postalCode": "98121",
    // 		"phoneNumber": "1234567899"
    // 	},
    // 	"billingAddress": null,
    // 	"primeMembershipTypes": 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.

    name = CkJsonObject_stringOf(jResp,"name");
    email = CkJsonObject_stringOf(jResp,"email");
    postalCode = CkJsonObject_stringOf(jResp,"postalCode");
    countryCode = CkJsonObject_stringOf(jResp,"countryCode");
    buyerId = CkJsonObject_stringOf(jResp,"buyerId");
    phoneNumber = CkJsonObject_stringOf(jResp,"phoneNumber");
    shippingAddressName = CkJsonObject_stringOf(jResp,"shippingAddress.name");
    shippingAddressAddressLine1 = CkJsonObject_stringOf(jResp,"shippingAddress.addressLine1");
    shippingAddressAddressLine2 = CkJsonObject_stringOf(jResp,"shippingAddress.addressLine2");
    shippingAddressAddressLine3 = CkJsonObject_stringOf(jResp,"shippingAddress.addressLine3");
    shippingAddressCity = CkJsonObject_stringOf(jResp,"shippingAddress.city");
    shippingAddressCounty = CkJsonObject_stringOf(jResp,"shippingAddress.county");
    shippingAddressDistrict = CkJsonObject_stringOf(jResp,"shippingAddress.district");
    shippingAddressStateOrRegion = CkJsonObject_stringOf(jResp,"shippingAddress.stateOrRegion");
    shippingAddressCountry = CkJsonObject_stringOf(jResp,"shippingAddress.country");
    shippingAddressPostalCode = CkJsonObject_stringOf(jResp,"shippingAddress.postalCode");
    shippingAddressPhoneNumber = CkJsonObject_stringOf(jResp,"shippingAddress.phoneNumber");
    billingAddress = CkJsonObject_stringOf(jResp,"billingAddress");
    primeMembershipTypes = CkJsonObject_stringOf(jResp,"primeMembershipTypes");


    CkHttp_Dispose(http);
    CkPrivateKey_Dispose(privKey);
    CkStringBuilder_Dispose(sbResponseBody);
    CkJsonObject_Dispose(jResp);

    }