Delphi DLL

Refinitiv World-Check One - Synchronous Screening (POST)

See more Refinitiv Examples

Sends a signed POST request to do simple synchronous screening. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
json: HCkJsonObject;
http: HCkHttp;
jsonBody: HCkJsonObject;
resp: HCkHttpResponse;
jsonResp: HCkJsonObject;

begin
success := False;

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

json := CkJsonObject_Create();

// Create the following JSON:
// 
// {
//   "keyId": "aaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
//   "hmacKey": "xxxxzI3vi58xxxCBxxx1+P/d8tGxx7KuLqN/KMPNxxxxekhj8/bx83+1YQSUxxxxYyv939ceY06GvhYRKmxxxx==",
//   "algorithm": "hmac-sha256",
//   "headers": [
//     "(request-target)",
//     "host",
//     "date",
//     "content-type",
//     "content-length"
//   ]
// }

// Substitute your actual API key and API secret in place of "api-key" and "api-secret"
CkJsonObject_UpdateString(json,'keyId','api-key');
CkJsonObject_UpdateString(json,'hmacKey','api-secret');
CkJsonObject_UpdateString(json,'algorithm','hmac-sha256');
CkJsonObject_UpdateString(json,'headers[0]','(request-target)');
CkJsonObject_UpdateString(json,'headers[1]','host');
CkJsonObject_UpdateString(json,'headers[2]','date');
CkJsonObject_UpdateString(json,'headers[3]','content-type');
CkJsonObject_UpdateString(json,'headers[4]','content-length');

http := CkHttp_Create();

// Setting the AuthSignature property causes the following header to be computed and added:
// Authorization: Signature keyId="...", algorithm="hmac-sha256", headers="(request-target) host date content-type content-length", signature="..."
CkHttp_putAuthSignature(http,CkJsonObject__emit(json));

// Build the following JSON to be sent in the POST request body.

// {
//     "groupId": "{{group-id}}",
//     "entityType": "ORGANISATION",
//     "caseId": "",
//     "providerTypes": [
//         "WATCHLIST"
//     ],
//     "name": "COMPANY NAME",
//     "nameTransposition": false,
//     "secondaryFields": [],
//     "customFields": []
// }

// Use this online tool to generate code from sample JSON: 
// Generate Code to Create JSON

jsonBody := CkJsonObject_Create();
CkJsonObject_UpdateString(jsonBody,'groupId','{{group-id}}');
CkJsonObject_UpdateString(jsonBody,'entityType','ORGANISATION');
CkJsonObject_UpdateString(jsonBody,'caseId','');
CkJsonObject_UpdateString(jsonBody,'providerTypes[0]','WATCHLIST');
CkJsonObject_UpdateString(jsonBody,'name','COMPANY NAME');
CkJsonObject_UpdateBool(jsonBody,'nameTransposition',False);
CkJsonObject_UpdateNewArray(jsonBody,'secondaryFields');
CkJsonObject_UpdateNewArray(jsonBody,'customFields');

resp := CkHttpResponse_Create();
success := CkHttp_HttpJson(http,'POST','https://api-worldcheck.refinitiv.com/v2/cases/screeningRequest',jsonBody,'application/json',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));

jsonResp := CkJsonObject_Create();
CkJsonObject_Load(jsonResp,CkHttpResponse__bodyStr(resp));

CkJsonObject_putEmitCompact(jsonResp,False);
Memo1.Lines.Add(CkJsonObject__emit(jsonResp));

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

CkJsonObject_Dispose(json);
CkHttp_Dispose(http);
CkJsonObject_Dispose(jsonBody);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(jsonResp);

end;