Delphi DLL Requires Chilkat v11.0.0+

MyInvois Malaysia Login as Intermediary System

See more Malaysia MyInvois Examples

Demonstrates how to get an OAuth2 access token with an intermediary that is representing a taxpayer (acting on behalf of a specific taxpayer). The OAuth2 access token can then be used to access MyInvois protected APIs. Delphi DLL

var
success: Boolean;
http: HCkHttp;
req: HCkHttpRequest;
resp: HCkHttpResponse;
json: HCkJsonObject;
access_token: PWideChar;
expires_in: Integer;
token_type: PWideChar;
scope: PWideChar;

begin
success := False;

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

//  Sends the following HTTP POST to get a MyInvois OAUth2 access token using client_credentials

//  POST /connect/token HTTP/1.1
//  Host: preprod-api.myinvois.hasil.gov.my
//  Accept: */*
//  Content-Length: <<variable>>
//  Content-Type: application/x-www-form-urlencoded
//  onbehalfof: C25845632020
//  
//  client_id={YOUR_CLIENT_ID}&client_secret={YOUR_CLIENT_SECRET}&grant_type=client_credentials&scope=InvoicingAPI

http := CkHttp_Create();

req := CkHttpRequest_Create();

CkHttpRequest_AddHeader(req,'onbehalfof','C25845632020');

CkHttpRequest_AddParam(req,'grant_type','client_credentials');
CkHttpRequest_AddParam(req,'client_id','YOUR_CLIENT_ID');
CkHttpRequest_AddParam(req,'client_secret','YOUR_CLIENT_SECRET');
CkHttpRequest_AddParam(req,'scope','InvoicingAPI');

CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded');

resp := CkHttpResponse_Create();
success := CkHttp_HttpReq(http,'https://preprod-api.myinvois.hasil.gov.my/connect/token',req,resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

//  Note: The returned access token is valid for a short amount of time.  Perhaps 1 hour.
//  The access token is used in the "Authorization: Bearer <access_token>" header in subsequent requests until it expires.
//  Your application would then need to get a new access token, and so on..

Memo1.Lines.Add('Response Status Code: ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

//  Here's a sample response:

//  {
//    "access_token": "eyJhbGciOiJSUzI1...",
//    "expires_in": 3600,
//    "token_type": "Bearer",
//    "scope": "InvoicingAPI"
//  }

json := CkJsonObject_Create();
CkJsonObject_Load(json,CkHttpResponse__bodyStr(resp));
access_token := CkJsonObject__stringOf(json,'access_token');
expires_in := CkJsonObject_IntOf(json,'expires_in');
token_type := CkJsonObject__stringOf(json,'token_type');
scope := CkJsonObject__stringOf(json,'scope');

//  To use an access token in a MyInvois API call, see Using a MyInvois Access Token in an API Request

CkHttp_Dispose(http);
CkHttpRequest_Dispose(req);
CkHttpResponse_Dispose(resp);
CkJsonObject_Dispose(json);