curl -H "X-FH-APIKEY: $FINHAY_API_KEY" \
  "https://open-api.fhsc.com.vn/market/index-realtime?index=VNINDEX"

import requests

url = "https://open-api.fhsc.com.vn/market/index-realtime"

headers = {"X-FH-APIKEY": "<api-key>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {'X-FH-APIKEY': '<api-key>'}};

fetch('https://open-api.fhsc.com.vn/market/index-realtime', 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://open-api.fhsc.com.vn/market/index-realtime",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-FH-APIKEY: <api-key>"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://open-api.fhsc.com.vn/market/index-realtime"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("X-FH-APIKEY", "<api-key>")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://open-api.fhsc.com.vn/market/index-realtime")
  .header("X-FH-APIKEY", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://open-api.fhsc.com.vn/market/index-realtime")

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

request = Net::HTTP::Get.new(url)
request["X-FH-APIKEY"] = '<api-key>'

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

{
  "error_code": "0",
  "message": "success",
  "result": [
    {
      "index": "VNINDEX",
      "indexValue": 1792.6,
      "allQuantity": 248009131,
      "change": 2.07,
      "changePercent": 0.12,
      "reference": 1790.53,
      "allValue": 6543210000000,
      "advances": 245,
      "declines": 168,
      "nochanges": 52,
      "ceiling": 9,
      "floor": 5,
      "values": [
        1790.53,
        1791.84,
        1792.6
      ],
      "volumes": [
        85230000,
        167450000,
        248009131
      ],
      "times": [
        1780300800000,
        1780304400000,
        1780308000000
      ],
      "advancesArr": [
        180,
        220,
        245
      ],
      "declinesArr": [
        210,
        185,
        168
      ],
      "nochangesArr": [
        60,
        58,
        52
      ],
      "ceilings": [
        4,
        7,
        9
      ],
      "floors": [
        9,
        7,
        5
      ],
      "sessionInExchange": "PROGRESS",
      "name": "VNINDEX"
    }
  ]
}

{
  "error_code": "400",
  "message": "Invalid parameter"
}

{
  "error_code": "401",
  "message": "Invalid signature"
}

{
  "error_code": "429",
  "message": "Too many requests"
}

{
  "error_code": "500",
  "message": "Internal server error"
}