(Delphi ActiveX) 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

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
success: Integer;
privKey: TPrivateKey;
publicKeyId: WideString;
respStatusCode: Integer;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
name: WideString;
email: WideString;
postalCode: WideString;
countryCode: WideString;
buyerId: WideString;
phoneNumber: WideString;
shippingAddressName: WideString;
shippingAddressAddressLine1: WideString;
shippingAddressAddressLine2: WideString;
shippingAddressAddressLine3: WideString;
shippingAddressCity: WideString;
shippingAddressCounty: WideString;
shippingAddressDistrict: WideString;
shippingAddressStateOrRegion: WideString;
shippingAddressCountry: WideString;
shippingAddressPostalCode: WideString;
shippingAddressPhoneNumber: WideString;
billingAddress: WideString;
primeMembershipTypes: WideString;

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

http := TChilkatHttp.Create(Self);

// 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 := TPrivateKey.Create(Self);
success := privKey.LoadPemFile('C:/someDir/myAmazonPayPrivateKey.pem');
if (success = 0) then
  begin
    Memo1.Lines.Add(privKey.LastErrorText);
    Exit;
  end;

// 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 := http.SetAuthPrivateKey(publicKeyId,privKey.ControlInterface);
if (success = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

// 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

http.Accept := 'application/json';

respStatusCode := 0;

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := http.SetUrlVar('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 := http.QuickGetSb('https://pay-api.amazon.eu/sandbox/v2/buyers/{$buyerToken}',sbResponseBody.ControlInterface);
if (success = 0) then
  begin
    // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
    respStatusCode := http.LastStatus;
    if (respStatusCode <> 0) then
      begin
        Memo1.Lines.Add('Response Status Code = ' + IntToStr(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."}

        Memo1.Lines.Add('Response body:');
        Memo1.Lines.Add(http.LastResponseBody);
      end
    else
      begin
        Memo1.Lines.Add(http.LastErrorText);
      end;
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

respStatusCode := http.LastStatus;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(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) then
  begin
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

// 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

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