Sample code for 30+ languages & platforms
Delphi DLL

Datev - Upload File (Transfer a file to DATEV data center)

See more Datev Examples

Demonstrates how to transfer a file to the DATEV data center.

Chilkat Delphi DLL Downloads

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
bdRequestBody: HCkBinData;
resp: HCkHttpResponse;
url: PWideChar;

begin
success := False;

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

http := CkHttp_Create();

// Implements the following CURL command:

// curl --request POST \
//   --url "https://accounting-extf-files.api.datev.de/platform-sandbox/v3/clients/REPLACE_CLIENT-ID/extf-files/import" \
//   --header "Authorization: Bearer REPLACE_BEARER_TOKEN" \
//   --header "X-Datev-Client-ID: clientId" \
//   --header "accept: application/json;charset=utf-8" \
//   --header "content-type: application/octet-stream" \
//   --header "Filename: EXTF_BS_20200101_1.csv" \
//   --header "Reference-Id: Buchungsstapel_Verkäufe_2020_01_Nr_001" \
//   --header "Client-Application-Version: 2.0c" \
//   --data-binary "@REPLACE_BODY"

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

bdRequestBody := CkBinData_Create();
success := CkBinData_LoadFile(bdRequestBody,'c:/temp/EXTF_BS_20200101_1.csv');
if (success <> True) then
  begin
    Memo1.Lines.Add('Failed to load the csv file.');
    Exit;
  end;

CkHttp_SetRequestHeader(http,'accept','application/json;charset=utf-8');
CkHttp_SetRequestHeader(http,'X-Datev-Client-ID','clientId');
CkHttp_SetRequestHeader(http,'Client-Application-Version','2.0c');
CkHttp_SetRequestHeader(http,'Filename','EXTF_BS_20200101_1.csv');
CkHttp_SetRequestHeader(http,'Reference-Id','Buchungsstapel_Verkäufe_2020_01_Nr_001');
// Adds the "Authorization: Bearer REPLACE_BEARER_TOKEN" header.
CkHttp_putAuthToken(http,'REPLACE_BEARER_TOKEN');

resp := CkHttpResponse_Create();
url := 'https://accounting-extf-files.api.datev.de/platform-sandbox/v3/clients/DATEV_USER_ID/extf-files/import';
success := CkHttp_HttpBd(http,'POST',url,bdRequestBody,'application/octet-stream',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add(IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add(CkHttpResponse__bodyStr(resp));

CkHttp_Dispose(http);
CkBinData_Dispose(bdRequestBody);
CkHttpResponse_Dispose(resp);

end;