Chilkat Online Tools

delphiAx / Binance delivery futures API / Basis

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var
http: TChilkatHttp;
success: Integer;
queryParams: TChilkatJsonObject;
resp: IChilkatHttpResponse;

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

http := TChilkatHttp.Create(Self);

queryParams := TChilkatJsonObject.Create(Self);
queryParams.UpdateString('pair','');
queryParams.UpdateString('contractType','CURRENT_QUARTER');
queryParams.UpdateString('period','5m');

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

resp := http.QuickRequestParams('GET','https://domain.com/futures/data/basis',queryParams.ControlInterface);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

Memo1.Lines.Add(IntToStr(resp.StatusCode));
Memo1.Lines.Add(resp.BodyStr);

Curl Command

curl -G -d "pair="
	-d "contractType=CURRENT_QUARTER"
	-d "period=5m"
	-H "Content-Type: application/json"
https://domain.com/futures/data/basis

Postman Collection Item JSON

{
  "name": "Basis",
  "request": {
    "method": "GET",
    "header": [
      {
        "key": "Content-Type",
        "type": "text",
        "value": "application/json"
      }
    ],
    "url": {
      "raw": "{{url}}/futures/data/basis?pair=&contractType=CURRENT_QUARTER&period=5m",
      "host": [
        "{{url}}"
      ],
      "path": [
        "futures",
        "data",
        "basis"
      ],
      "query": [
        {
          "key": "pair",
          "value": ""
        },
        {
          "key": "contractType",
          "value": "CURRENT_QUARTER",
          "description": "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": [
  ]
}