(Delphi ActiveX) Shippo POST to Transaction Endpoint

Demonstrates how to POST to the Transaction endpoint with your Rate object_id to purchase your international shipping label.

For more information, see https://goshippo.com/docs/international/

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;
req: TChilkatHttpRequest;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
object_state: WideString;
status: WideString;
object_created: WideString;
object_updated: WideString;
object_id: WideString;
object_owner: WideString;
was_test: Integer;
rateObject_id: WideString;
rateAmount: WideString;
rateCurrency: WideString;
rateAmount_local: WideString;
rateCurrency_local: WideString;
rateProvider: WideString;
rateServicelevel_name: WideString;
rateServicelevel_token: WideString;
rateCarrier_account: WideString;
tracking_number: WideString;
tracking_statusObject_created: WideString;
tracking_statusObject_id: WideString;
tracking_statusStatus: WideString;
tracking_statusStatus_details: WideString;
tracking_statusStatus_date: WideString;
tracking_url_provider: WideString;
eta: WideString;
label_url: WideString;
commercial_invoice_url: WideString;
metadata: WideString;
i: Integer;
count_i: Integer;

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://api.goshippo.com/transactions \
//     -H "Authorization: ShippoToken <API_TOKEN>" \
//     -d rate="ec6143e746094bcab1bdc4c17600dabf"
//     -d label_file_type="PDF"
//     -d async=false

req := TChilkatHttpRequest.Create(Self);
req.HttpVerb := 'POST';
req.Path := '/transactions';
req.ContentType := 'application/x-www-form-urlencoded';
req.AddParam('rate','ec6143e746094bcab1bdc4c17600dabf');
req.AddParam('label_file_type','PDF');
req.AddParam('async','false');

req.AddHeader('Authorization','ShippoToken <API_TOKEN>');

resp := http.PostUrlEncoded('https://api.goshippo.com/transactions',req.ControlInterface);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

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

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

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');

    Exit;
  end;

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

// {
//   "object_state": "VALID",
//   "status": "SUCCESS",
//   "object_created": "2013-12-27T19:14:48.273Z",
//   "object_updated": "2013-12-27T19:14:48.273Z",
//   "object_id": "64bba01845ef40d29374032599f22588",
//   "object_owner": "shippotle@goshippo.com",
//   "was_test": false,
//   "rate": {
//     "object_id": "cf6fea899f1848b494d9568e8266e076",
//     "amount": "5.50",
//     "currency": "USD",
//     "amount_local": "5.50",
//     "currency_local": "USD",
//     "provider": "USPS",
//     "servicelevel_name": "Priority Mail",
//     "servicelevel_token": "usps_priority",
//     "carrier_account": "078870331023437cb917f5187429b093"
//   },
//   "tracking_number": "ZW70QJC",
//   "tracking_status": {
//     "object_created": "2013-12-27T23:17:41.411Z",
//     "object_id": "a21b3d6831c14ceaba6730179ce6e784",
//     "status": "UNKNOWN",
//     "status_details": "",
//     "status_date": "2013-12-28T12:04:04.214Z"
//   },
//   "tracking_url_provider": "https://tools.usps.com/go/TrackConfirmAction.action?tLabels=ZW70QJC",
//   "eta": "2013-12-30T12:00:00.000Z",
//   "label_url": "https://shippo-delivery.s3.amazonaws.com/96.pdf?Signature=PEdWrp0mFWAGwJp7FW3b%2FeA2eyY%3D&Expires=1385930652&AWSAccessKeyId=AKIAJTHP3LLFMYAWALIA",
//   "commercial_invoice_url": "",
//   "metadata": "",
//   "messages": [
//   ]
// }

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

object_state := jResp.StringOf('object_state');
status := jResp.StringOf('status');
object_created := jResp.StringOf('object_created');
object_updated := jResp.StringOf('object_updated');
object_id := jResp.StringOf('object_id');
object_owner := jResp.StringOf('object_owner');
was_test := jResp.BoolOf('was_test');
rateObject_id := jResp.StringOf('rate.object_id');
rateAmount := jResp.StringOf('rate.amount');
rateCurrency := jResp.StringOf('rate.currency');
rateAmount_local := jResp.StringOf('rate.amount_local');
rateCurrency_local := jResp.StringOf('rate.currency_local');
rateProvider := jResp.StringOf('rate.provider');
rateServicelevel_name := jResp.StringOf('rate.servicelevel_name');
rateServicelevel_token := jResp.StringOf('rate.servicelevel_token');
rateCarrier_account := jResp.StringOf('rate.carrier_account');
tracking_number := jResp.StringOf('tracking_number');
tracking_statusObject_created := jResp.StringOf('tracking_status.object_created');
tracking_statusObject_id := jResp.StringOf('tracking_status.object_id');
tracking_statusStatus := jResp.StringOf('tracking_status.status');
tracking_statusStatus_details := jResp.StringOf('tracking_status.status_details');
tracking_statusStatus_date := jResp.StringOf('tracking_status.status_date');
tracking_url_provider := jResp.StringOf('tracking_url_provider');
eta := jResp.StringOf('eta');
label_url := jResp.StringOf('label_url');
commercial_invoice_url := jResp.StringOf('commercial_invoice_url');
metadata := jResp.StringOf('metadata');
i := 0;
count_i := jResp.SizeOfArray('messages');
while i < count_i do
  begin
    jResp.I := i;
    i := i + 1;
  end;
end;