curl --request POST \
  --url https://dev.dayfin.io/v2/api/coin/ohlcv/exchange \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "tranDtime": "20261014143000",
  "tranNo": "202610141430000001",
  "marketCodes": [
    "KRW-BTC"
  ],
  "exchangeNm": "upbit",
  "lastCandleDtm": "202610141430",
  "limit": "100",
  "candleUnit": "I"
}
'

import requests

url = "https://dev.dayfin.io/v2/api/coin/ohlcv/exchange"

payload = {
    "tranDtime": "20261014143000",
    "tranNo": "202610141430000001",
    "marketCodes": ["KRW-BTC"],
    "exchangeNm": "upbit",
    "lastCandleDtm": "202610141430",
    "limit": "100",
    "candleUnit": "I"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    tranDtime: '20261014143000',
    tranNo: '202610141430000001',
    marketCodes: ['KRW-BTC'],
    exchangeNm: 'upbit',
    lastCandleDtm: '202610141430',
    limit: '100',
    candleUnit: 'I'
  })
};

fetch('https://dev.dayfin.io/v2/api/coin/ohlcv/exchange', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://dev.dayfin.io/v2/api/coin/ohlcv/exchange",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'tranDtime' => '20261014143000',
    'tranNo' => '202610141430000001',
    'marketCodes' => [
        'KRW-BTC'
    ],
    'exchangeNm' => 'upbit',
    'lastCandleDtm' => '202610141430',
    'limit' => '100',
    'candleUnit' => 'I'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://dev.dayfin.io/v2/api/coin/ohlcv/exchange"

	payload := strings.NewReader("{\n  \"tranDtime\": \"20261014143000\",\n  \"tranNo\": \"202610141430000001\",\n  \"marketCodes\": [\n    \"KRW-BTC\"\n  ],\n  \"exchangeNm\": \"upbit\",\n  \"lastCandleDtm\": \"202610141430\",\n  \"limit\": \"100\",\n  \"candleUnit\": \"I\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://dev.dayfin.io/v2/api/coin/ohlcv/exchange")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"tranDtime\": \"20261014143000\",\n  \"tranNo\": \"202610141430000001\",\n  \"marketCodes\": [\n    \"KRW-BTC\"\n  ],\n  \"exchangeNm\": \"upbit\",\n  \"lastCandleDtm\": \"202610141430\",\n  \"limit\": \"100\",\n  \"candleUnit\": \"I\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://dev.dayfin.io/v2/api/coin/ohlcv/exchange")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"tranDtime\": \"20261014143000\",\n  \"tranNo\": \"202610141430000001\",\n  \"marketCodes\": [\n    \"KRW-BTC\"\n  ],\n  \"exchangeNm\": \"upbit\",\n  \"lastCandleDtm\": \"202610141430\",\n  \"limit\": \"100\",\n  \"candleUnit\": \"I\"\n}"

response = http.request(request)
puts response.read_body

{
  "rspCode": "A0000",
  "rspMessage": "처리 성공",
  "dataList": [
    {
      "marketCode": "KRW-BTC",
      "assetId": "1",
      "exchangeNm": "upbit",
      "candles": [
        {
          "open": "93000000",
          "high": "93500000",
          "low": "92500000",
          "close": "93200000",
          "accTradeVol": "12.3456789",
          "candleDateTimeKst": "2026-10-14 14:30:00",
          "timestamp": "1791955800000",
          "updateTs": "1791955812345"
        }
      ],
      "candleCnt": 100
    }
  ],
  "dataListCnt": 1
}