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Delphi ActiveX

Remove a Request Header from a REST Request

See more REST Examples

Demonstrates Rest.RemoveHeader, which removes all request headers matching the supplied name.

Background. Removing a header is useful when reusing a Rest object across requests that require different header sets.

Chilkat Delphi ActiveX Downloads

Delphi ActiveX
var
success: Integer;
rest: TChilkatRest;
bTls: Integer;
bAutoReconnect: Integer;
responseText: WideString;

begin
success := 0;

rest := TChilkatRest.Create(Self);

//  Connect to the REST server.  The 3rd argument enables TLS (use 1 for HTTPS on port 443),
//  and the 4th enables automatic reconnection if the connection is dropped between requests.
bTls := 1;
bAutoReconnect := 1;
success := rest.Connect('example.com',443,bTls,bAutoReconnect);
if (success = 0) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

rest.AddHeader('Accept','application/json');
rest.AddHeader('X-Custom-Header','example-value');

//  Remove a previously added request header by name.
rest.RemoveHeader('X-Custom-Header');

responseText := rest.FullRequestNoBody('GET','/api/data');
if (rest.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
Memo1.Lines.Add(responseText);