Pascal (Lazarus/Delphi)

Shippo POST to Transaction Endpoint

See more Shippo Examples

Demonstrates how to POST to the Transaction endpoint with your Rate object_id to purchase your international shipping label. Pascal (Lazarus/Delphi)

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http,
  Chilkat.HttpRequest,
  Chilkat.HttpResponse,
  Chilkat.StringBuilder,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  req: THttpRequest;
  resp: THttpResponse;
  sbResponseBody: TStringBuilder;
  jResp: TJsonObject;
  respStatusCode: Integer;
  object_state: string;
  status: string;
  object_created: string;
  object_updated: string;
  object_id: string;
  object_owner: string;
  was_test: Boolean;
  rateObject_id: string;
  rateAmount: string;
  rateCurrency: string;
  rateAmount_local: string;
  rateCurrency_local: string;
  rateProvider: string;
  rateServicelevel_name: string;
  rateServicelevel_token: string;
  rateCarrier_account: string;
  tracking_number: string;
  tracking_statusObject_created: string;
  tracking_statusObject_id: string;
  tracking_statusStatus: string;
  tracking_statusStatus_details: string;
  tracking_statusStatus_date: string;
  tracking_url_provider: string;
  eta: string;
  label_url: string;
  commercial_invoice_url: string;
  metadata: string;
  i: Integer;
  count_i: Integer;

begin
  success := False;

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

  http := THttp.Create;

  //  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 := THttpRequest.Create;
  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 := THttpResponse.Create;
  success := http.HttpReq('https://api.goshippo.com/transactions',req,resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  sbResponseBody := TStringBuilder.Create;
  resp.GetBodySb(sbResponseBody);
  jResp := TJsonObject.Create;
  jResp.LoadSb(sbResponseBody);
  jResp.EmitCompact := False;

  WriteLn('Response Body:');
  WriteLn(jResp.Emit());

  respStatusCode := resp.StatusCode;
  WriteLn('Response Status Code = ' + respStatusCode);
  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Header:');
      WriteLn(resp.Header);
      WriteLn('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;



  http.Free;
  req.Free;
  resp.Free;
  sbResponseBody.Free;
  jResp.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.