Chilkat Online Tools

delphiDll / Binance spot API / Ping/Keep-alive a Listen Key (USER_STREAM)

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

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

http := CkHttp_Create();

CkHttp_SetRequestHeader(http,'Content-Type','application/json');
CkHttp_SetRequestHeader(http,'X-MBX-APIKEY','{{binance-api-key}}');

resp := CkHttp_QuickRequest(http,'PUT','https://domain.com/sapi/v1/userDataStream/isolated?symbol=BTCUSDT&listenKey=listen-key');
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);

Curl Command

curl -X PUT
	-H "Content-Type: application/json"
	-H "X-MBX-APIKEY: {{binance-api-key}}"
https://domain.com/sapi/v1/userDataStream/isolated?symbol=BTCUSDT&listenKey=listen-key

Postman Collection Item JSON

{
  "name": "Ping/Keep-alive a Listen Key (USER_STREAM)",
  "request": {
    "method": "PUT",
    "header": [
      {
        "key": "Content-Type",
        "type": "text",
        "value": "application/json"
      },
      {
        "key": "X-MBX-APIKEY",
        "value": "{{binance-api-key}}",
        "type": "text"
      }
    ],
    "url": {
      "raw": "{{url}}/sapi/v1/userDataStream/isolated?symbol=BTCUSDT&listenKey=listen-key",
      "host": [
        "{{url}}"
      ],
      "path": [
        "sapi",
        "v1",
        "userDataStream",
        "isolated"
      ],
      "query": [
        {
          "key": "symbol",
          "value": "BTCUSDT"
        },
        {
          "key": "listenKey",
          "value": "listen-key",
          "description": "User websocket listen key"
        }
      ]
    },
    "description": "Keepalive a user data stream to prevent a time out. User data streams will close after 60 minutes. It's recommended to send a ping about every 30 minutes.\n\nWeight: 1"
  },
  "response": [
  ]
}