[abdullah_turkey]

Hi, i'm Abdullah. i use trbinance.com api. I keep getting the same error

Код:

1	{"code":3702,"msg":"Invalid signature.","timestamp":1623848681308}

Код:

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procedure TForm1.Button1Click(Sender: TObject); var   url, sign, queryString, nonce: string;   ST: SystemTime;   DT: TDateTime;   uTime: int64;   sHour, sMin, sSec, sMili: Word;     stream, s_url: string;   Post: TStringList;   IdHTTP10 : TIDhttp;   api_key , api_secret : String; begin   api_key := '**';   api_secret := '**';     GetSystemTime(ST);   DT := EncodeDate(ST.wYear, ST.wMonth, ST.wDay) +         EncodeTime(ST.wHour, ST.wMinute, ST.wSecond, ST.wMilliseconds);   uTime := DateUtils.MilliSecondsBetween(DT, UnixDateDelta);   nonce:=inttostr(uTime);     url :='https://trbinance.com/open/v1/orders';   queryString := 'symbol=BTT_TRY&side=0&type=1&quantity=1&price=0.0022&recvWindow=5000&timestamp='+nonce;   sign := THashSHA2.GetHMAC(queryString, api_secret, SHA256);     IdHTTP10 := TidHTTP.Create(nil);   IdHTTP10.HandleRedirects := True;   IdHTTP10.Request.CustomHeaders.Add('X-MBX-APIKEY:'+api_key);   IdHTTP10.IOHandler := IdSSLIOHandlerSocketOpenSSL1;     Post:=TStringList.Create;   Post.Add('quantity=1&');   Post.Add('price=0.0022&');   Post.Add('recvWindow=5000&');   Post.Add('timestamp='+nonce+'&');   Post.Add('signature='+sign);     s_url := url + '?symbol=BTT_TRY&side=0&type=1';   try     stream:=IdHTTP10.POST(s_url, Post);     Memo1.Lines.Add(stream);   except     on E: Exception do       Memo1.Lines.Add(TimeToStr(time)+' <---> [Order] error: '+E.Message);   end;   IdHTTP10.Free;   Post.Free; end;

Always problem :

Код:

1	{"code":3702,"msg":"Invalid signature.","timestamp":1623848681308}

Код:

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Normaly Binance Symbol : BTTTRY  Turkey Api : BTT_TRY Normaly Binance Order Url :  httpps://api.binance.com/api/v3/order Turkey Api Order Url : https://trbinance.com/open/v1/orders

Where is the Problem ?

Thank you so much.

[tavel]

Hi. I've answered to your question on stackoverflow.
I think it isn't necessary to duplicate the whole answer here.