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delphiDll / ShipEngine Walkthrough / Create a label from a rate

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var
http: HCkHttp;
success: Boolean;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
Value: Integer;
Unit: PWideChar;
dimensionsUnit: PWideChar;
Length: Integer;
Width: Integer;
Height: Integer;
insured_valueCurrency: PWideChar;
insured_valueAmount: Integer;
Reference1: PWideChar;
Reference2: PWideChar;
Reference3: PWideChar;
external_package_id: PWideChar;
label_id: PWideChar;
status: PWideChar;
shipment_id: PWideChar;
ship_date: PWideChar;
created_at: PWideChar;
v_Currency: PWideChar;
Amount: PWideChar;
insurance_costCurrency: PWideChar;
insurance_costAmount: Integer;
tracking_number: PWideChar;
is_return_label: Boolean;
rma_number: PWideChar;
is_international: Boolean;
batch_id: PWideChar;
carrier_id: PWideChar;
service_code: PWideChar;
package_code: PWideChar;
voided: Boolean;
voided_at: PWideChar;
label_format: PWideChar;
label_layout: PWideChar;
trackable: Boolean;
carrier_code: PWideChar;
tracking_status: PWideChar;
v_Pdf: PWideChar;
Png: PWideChar;
Zpl: PWideChar;
Href: PWideChar;
form_download: PWideChar;
insurance_claim: PWideChar;
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 := CkHttp_Create();

CkHttp_SetRequestHeader(http,'API-Key','{{API_KEY}}');

resp := CkHttp_QuickRequest(http,'POST','https://api.shipengine.com/v1/labels/rates/se-123456');
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

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

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

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

// {
//   "label_id": "se-1376002",
//   "status": "completed",
//   "shipment_id": "se-4140067",
//   "ship_date": "2019-09-17T00:00:00Z",
//   "created_at": "2019-09-17T21:07:37.0913064Z",
//   "shipment_cost": {
//     "currency": "usd",
//     "amount": 65.58
//   },
//   "insurance_cost": {
//     "currency": "usd",
//     "amount": 0
//   },
//   "tracking_number": "1Z63R0960303407845",
//   "is_return_label": false,
//   "rma_number": null,
//   "is_international": false,
//   "batch_id": "",
//   "carrier_id": "se-121862",
//   "service_code": "ups_ground",
//   "package_code": "package",
//   "voided": false,
//   "voided_at": null,
//   "label_format": "pdf",
//   "label_layout": "4x6",
//   "trackable": true,
//   "carrier_code": "ups",
//   "tracking_status": "in_transit",
//   "label_download": {
//     "pdf": "https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.pdf",
//     "png": "https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.png",
//     "zpl": "https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.zpl",
//     "href": "https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.pdf"
//   },
//   "form_download": null,
//   "insurance_claim": null,
//   "packages": [
//     {
//       "package_code": "package",
//       "weight": {
//         "value": 17,
//         "unit": "pound"
//       },
//       "dimensions": {
//         "unit": "inch",
//         "length": 36,
//         "width": 12,
//         "height": 24
//       },
//       "insured_value": {
//         "currency": "usd",
//         "amount": 0
//       },
//       "tracking_number": "1Z63R0960303407845",
//       "label_messages": {
//         "reference1": null,
//         "reference2": null,
//         "reference3": null
//       },
//       "external_package_id": null
//     }
//   ]
// }

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

label_id := CkJsonObject__stringOf(jResp,'label_id');
status := CkJsonObject__stringOf(jResp,'status');
shipment_id := CkJsonObject__stringOf(jResp,'shipment_id');
ship_date := CkJsonObject__stringOf(jResp,'ship_date');
created_at := CkJsonObject__stringOf(jResp,'created_at');
v_Currency := CkJsonObject__stringOf(jResp,'shipment_cost.currency');
Amount := CkJsonObject__stringOf(jResp,'shipment_cost.amount');
insurance_costCurrency := CkJsonObject__stringOf(jResp,'insurance_cost.currency');
insurance_costAmount := CkJsonObject_IntOf(jResp,'insurance_cost.amount');
tracking_number := CkJsonObject__stringOf(jResp,'tracking_number');
is_return_label := CkJsonObject_BoolOf(jResp,'is_return_label');
rma_number := CkJsonObject__stringOf(jResp,'rma_number');
is_international := CkJsonObject_BoolOf(jResp,'is_international');
batch_id := CkJsonObject__stringOf(jResp,'batch_id');
carrier_id := CkJsonObject__stringOf(jResp,'carrier_id');
service_code := CkJsonObject__stringOf(jResp,'service_code');
package_code := CkJsonObject__stringOf(jResp,'package_code');
voided := CkJsonObject_BoolOf(jResp,'voided');
voided_at := CkJsonObject__stringOf(jResp,'voided_at');
label_format := CkJsonObject__stringOf(jResp,'label_format');
label_layout := CkJsonObject__stringOf(jResp,'label_layout');
trackable := CkJsonObject_BoolOf(jResp,'trackable');
carrier_code := CkJsonObject__stringOf(jResp,'carrier_code');
tracking_status := CkJsonObject__stringOf(jResp,'tracking_status');
v_Pdf := CkJsonObject__stringOf(jResp,'label_download.pdf');
Png := CkJsonObject__stringOf(jResp,'label_download.png');
Zpl := CkJsonObject__stringOf(jResp,'label_download.zpl');
Href := CkJsonObject__stringOf(jResp,'label_download.href');
form_download := CkJsonObject__stringOf(jResp,'form_download');
insurance_claim := CkJsonObject__stringOf(jResp,'insurance_claim');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'packages');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    package_code := CkJsonObject__stringOf(jResp,'packages[i].package_code');
    Value := CkJsonObject_IntOf(jResp,'packages[i].weight.value');
    Unit := CkJsonObject__stringOf(jResp,'packages[i].weight.unit');
    dimensionsUnit := CkJsonObject__stringOf(jResp,'packages[i].dimensions.unit');
    Length := CkJsonObject_IntOf(jResp,'packages[i].dimensions.length');
    Width := CkJsonObject_IntOf(jResp,'packages[i].dimensions.width');
    Height := CkJsonObject_IntOf(jResp,'packages[i].dimensions.height');
    insured_valueCurrency := CkJsonObject__stringOf(jResp,'packages[i].insured_value.currency');
    insured_valueAmount := CkJsonObject_IntOf(jResp,'packages[i].insured_value.amount');
    tracking_number := CkJsonObject__stringOf(jResp,'packages[i].tracking_number');
    Reference1 := CkJsonObject__stringOf(jResp,'packages[i].label_messages.reference1');
    Reference2 := CkJsonObject__stringOf(jResp,'packages[i].label_messages.reference2');
    Reference3 := CkJsonObject__stringOf(jResp,'packages[i].label_messages.reference3');
    external_package_id := CkJsonObject__stringOf(jResp,'packages[i].external_package_id');
    i := i + 1;
  end;

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

Curl Command

curl -X POST
	-H "API-Key: {{API_KEY}}"
https://api.shipengine.com/v1/labels/rates/se-123456

Postman Collection Item JSON

{
  "name": "Create a label from a rate",
  "event": [
    {
      "listen": "test",
      "script": {
        "exec": [
          ""
        ],
        "type": "text/javascript"
      }
    }
  ],
  "request": {
    "method": "POST",
    "header": [
    ],
    "url": {
      "raw": "https://api.shipengine.com/v1/labels/rates/{{rate_id}}",
      "protocol": "https",
      "host": [
        "api",
        "shipengine",
        "com"
      ],
      "path": [
        "v1",
        "labels",
        "rates",
        "{{rate_id}}"
      ]
    },
    "description": "If you've previously gotten a rate quote from ShipEngine, then you can create a label from that rate quote without having to specify any of the shipment details again."
  },
  "response": [
    {
      "name": "Create a label from a rate",
      "originalRequest": {
        "method": "POST",
        "header": [
        ],
        "url": {
          "raw": "https://api.shipengine.com/v1/labels/rates/{{rate_id}}",
          "protocol": "https",
          "host": [
            "api",
            "shipengine",
            "com"
          ],
          "path": [
            "v1",
            "labels",
            "rates",
            "{{rate_id}}"
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Date",
          "value": "Tue, 17 Sep 2019 21:07:38 GMT"
        },
        {
          "key": "Content-Type",
          "value": "application/json; charset=utf-8"
        },
        {
          "key": "Content-Length",
          "value": "1797"
        },
        {
          "key": "Connection",
          "value": "keep-alive"
        },
        {
          "key": "Access-Control-Allow-Origin",
          "value": "https://www.shipengine.com"
        },
        {
          "key": "Vary",
          "value": "Origin"
        },
        {
          "key": "server",
          "value": "Microsoft-IIS/8.0"
        },
        {
          "key": "x-newrelic-app-data",
          "value": "PxQGVFZXCgITVVZbAwMCV1YGFB9AMQYAZBBZDEtZV0ZaCldOZgRRIzR/GC0HAV1fQ0sxF0VSXwcXVHpSAAMPNVkWUDBZTFEQH1UXUQFRCltQAhtQSFMBBwJVUFAFHRpXSBMPdlVXJicCVQhafA8EdnVWG01XAF8RAWs="
        },
        {
          "key": "x-powered-by",
          "value": "ASP.NET"
        },
        {
          "key": "x-shipengine-environment",
          "value": "j"
        },
        {
          "key": "x-shipengine-requestid",
          "value": "06d99646-25fc-4c4b-921a-b237e46e2913"
        },
        {
          "key": "x-shipengine-server",
          "value": "SS-J-WEB03"
        }
      ],
      "cookie": [
      ],
      "body": "{\n    \"label_id\": \"se-1376002\",\n    \"status\": \"completed\",\n    \"shipment_id\": \"se-4140067\",\n    \"ship_date\": \"2019-09-17T00:00:00Z\",\n    \"created_at\": \"2019-09-17T21:07:37.0913064Z\",\n    \"shipment_cost\": {\n        \"currency\": \"usd\",\n        \"amount\": 65.58\n    },\n    \"insurance_cost\": {\n        \"currency\": \"usd\",\n        \"amount\": 0\n    },\n    \"tracking_number\": \"1Z63R0960303407845\",\n    \"is_return_label\": false,\n    \"rma_number\": null,\n    \"is_international\": false,\n    \"batch_id\": \"\",\n    \"carrier_id\": \"se-121862\",\n    \"service_code\": \"ups_ground\",\n    \"package_code\": \"package\",\n    \"voided\": false,\n    \"voided_at\": null,\n    \"label_format\": \"pdf\",\n    \"label_layout\": \"4x6\",\n    \"trackable\": true,\n    \"carrier_code\": \"ups\",\n    \"tracking_status\": \"in_transit\",\n    \"label_download\": {\n        \"pdf\": \"https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.pdf\",\n        \"png\": \"https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.png\",\n        \"zpl\": \"https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.zpl\",\n        \"href\": \"https://api.shipengine.com/v1/downloads/10/0NfRdimr3kWpLpIbWI8K_w/label-1376002.pdf\"\n    },\n    \"form_download\": null,\n    \"insurance_claim\": null,\n    \"packages\": [\n        {\n            \"package_code\": \"package\",\n            \"weight\": {\n                \"value\": 17,\n                \"unit\": \"pound\"\n            },\n            \"dimensions\": {\n                \"unit\": \"inch\",\n                \"length\": 36,\n                \"width\": 12,\n                \"height\": 24\n            },\n            \"insured_value\": {\n                \"currency\": \"usd\",\n                \"amount\": 0\n            },\n            \"tracking_number\": \"1Z63R0960303407845\",\n            \"label_messages\": {\n                \"reference1\": null,\n                \"reference2\": null,\n                \"reference3\": null\n            },\n            \"external_package_id\": null\n        }\n    ]\n}"
    }
  ]
}