Chilkat Online Tools

delphiDll / Binance delivery futures API / Open Interest Statistics

Back to Collection Items

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,'pair','');
CkJsonObject_UpdateString(queryParams,'contractType','ALL');
CkJsonObject_UpdateString(queryParams,'period','5m');

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

resp := CkHttp_QuickRequestParams(http,'GET','https://domain.com/futures/data/openInterestHist',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 "pair="
	-d "contractType=ALL"
	-d "period=5m"
	-H "Content-Type: application/json"
https://domain.com/futures/data/openInterestHist

Postman Collection Item JSON

{
  "name": "Open Interest Statistics",
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Content-Type",
        "type": "text",
        "value": "application/json"
      }
    ],
    "url": {
      "raw": "{{url}}/futures/data/openInterestHist?pair=&contractType=ALL&period=5m",
      "host": [
        "{{url}}"
      ],
      "path": [
        "futures",
        "data",
        "openInterestHist"
      ],
      "query": [
        {
          "key": "pair",
          "value": ""
        },
        {
          "key": "contractType",
          "value": "ALL",
          "description": "ALL,CURRENT_QUARTER,NEXT_QUARTER"
        },
        {
          "key": "period",
          "value": "5m",
          "description": "\"5m\",\"15m\",\"30m\",\"1h\",\"2h\",\"4h\",\"6h\",\"12h\",\"1d\""
        },
        {
          "key": "limit",
          "value": "",
          "description": "Default 30,Max 500",
          "disabled": true
        },
        {
          "key": "startTime",
          "value": "",
          "disabled": true
        },
        {
          "key": "endTime",
          "value": "",
          "disabled": true
        }
      ]
    },
    "description": "Get present open interest of a specific symbol."
  },
  "response": [
  ]
}