Chilkat Online Tools

delphiDll / Binance perpetual future API / Kline/Candlestick Data

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var
http: HCkHttp;
success: Boolean;
queryParams: HCkJsonObject;
resp: HCkHttpResponse;

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

http := CkHttp_Create();

queryParams := CkJsonObject_Create();
CkJsonObject_UpdateString(queryParams,'symbol','BTCUSDT');
CkJsonObject_UpdateString(queryParams,'interval','1h');

CkHttp_SetRequestHeader(http,'Content-Type','application/json');

resp := CkHttp_QuickRequestParams(http,'GET','https://domain.com/fapi/v1/klines',queryParams);
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

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

CkHttp_Dispose(http);
CkJsonObject_Dispose(queryParams);

Curl Command

curl -G -d "symbol=BTCUSDT"
	-d "interval=1h"
	-H "Content-Type: application/json"
https://domain.com/fapi/v1/klines

Postman Collection Item JSON

{
  "name": "Kline/Candlestick Data",
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Content-Type",
        "type": "text",
        "value": "application/json"
      }
    ],
    "url": {
      "raw": "{{url}}/fapi/v1/klines?symbol=BTCUSDT&interval=1h",
      "host": [
        "{{url}}"
      ],
      "path": [
        "fapi",
        "v1",
        "klines"
      ],
      "query": [
        {
          "key": "symbol",
          "value": "BTCUSDT"
        },
        {
          "key": "interval",
          "value": "1h",
          "description": "1m, 1h, 1d"
        },
        {
          "key": "startTime",
          "value": null,
          "disabled": true
        },
        {
          "key": "endTime",
          "value": null,
          "disabled": true
        },
        {
          "key": "limit",
          "value": "500",
          "description": "Default 500; max 1500.",
          "disabled": true
        }
      ]
    },
    "description": "Kline/candlestick bars for a symbol. Klines are uniquely identified by their open time."
  },
  "response": [
  ]
}