Chilkat Online Tools

Objective-C / Binance perpetual future API / Kline/Candlestick Data

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#import <CkoHttp.h>
#import <CkoJsonObject.h>
#import <CkoHttpResponse.h>

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

CkoHttp *http = [[CkoHttp alloc] init];
BOOL success;

CkoJsonObject *queryParams = [[CkoJsonObject alloc] init];
[queryParams UpdateString: @"symbol" value: @"BTCUSDT"];
[queryParams UpdateString: @"interval" value: @"1h"];

[http SetRequestHeader: @"Content-Type" value: @"application/json"];

CkoHttpResponse *resp = [http QuickRequestParams: @"GET" url: @"https://domain.com/fapi/v1/klines" json: queryParams];
if (http.LastMethodSuccess == NO) {
    NSLog(@"%@",http.LastErrorText);
    return;
}

NSLog(@"%d",[resp.StatusCode intValue]);
NSLog(@"%@",resp.BodyStr);

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": [
  ]
}