curl --request GET \
  --url https://market-data.sandbox.rails.xyz/api/v1/contract-specifications

import requests

url = "https://market-data.sandbox.rails.xyz/api/v1/contract-specifications"

response = requests.get(url)

print(response.text)

const options = {method: 'GET'};

fetch('https://market-data.sandbox.rails.xyz/api/v1/contract-specifications', 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://market-data.sandbox.rails.xyz/api/v1/contract-specifications",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($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://market-data.sandbox.rails.xyz/api/v1/contract-specifications"

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

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://market-data.sandbox.rails.xyz/api/v1/contract-specifications")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://market-data.sandbox.rails.xyz/api/v1/contract-specifications")

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

request = Net::HTTP::Get.new(url)

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

[
  {
    "contractName": "BTC-USDT",
    "underlyingPrice": "63568.7382843144",
    "priceIndex": "CCIX (CoinDesk Aggregated Index, formerly CCCAGG)",
    "indexUpdateFrequency": "1 second",
    "contractType": "Linear (USDT-margined)",
    "contractSize": "1 BTC per contract",
    "minPosition": "~$1 at current prices",
    "tradingHours": "24/7 (except during scheduled maintenance)",
    "clearing": "DCO",
    "fundingTimes": "Hourly funding",
    "fundingRateCap": "±0.5% per 1-hour interval",
    "marginType": "Isolated, Cross"
  },
  {
    "contractName": "ETH-USDT",
    "underlyingPrice": "1860.22242925263",
    "priceIndex": "CCIX (CoinDesk Aggregated Index, formerly CCCAGG)",
    "indexUpdateFrequency": "1 second",
    "contractType": "Linear (USDT-margined)",
    "contractSize": "1 ETH per contract",
    "minPosition": "~$1 at current prices",
    "tradingHours": "24/7 (except during scheduled maintenance)",
    "clearing": "DCO",
    "fundingTimes": "Hourly funding",
    "fundingRateCap": "±0.5% per 1-hour interval",
    "marginType": "Isolated, Cross"
  }
]