curl --request POST \
  --url https://rpc.quai.network/cyprus1/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "quai_traceTransaction",
  "params": [
    300000
  ],
  "id": 1
}
'

import requests

url = "https://rpc.quai.network/cyprus1/"

payload = {
    "jsonrpc": "2.0",
    "method": "quai_traceTransaction",
    "params": [300000],
    "id": 1
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({jsonrpc: '2.0', method: 'quai_traceTransaction', params: [300000], id: 1})
};

fetch('https://rpc.quai.network/cyprus1/', 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://rpc.quai.network/cyprus1/",
  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([
    'jsonrpc' => '2.0',
    'method' => 'quai_traceTransaction',
    'params' => [
        300000
    ],
    'id' => 1
  ]),
  CURLOPT_HTTPHEADER => [
    "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://rpc.quai.network/cyprus1/"

	payload := strings.NewReader("{\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"quai_traceTransaction\",\n  \"params\": [\n    300000\n  ],\n  \"id\": 1\n}")

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

	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://rpc.quai.network/cyprus1/")
  .header("Content-Type", "application/json")
  .body("{\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"quai_traceTransaction\",\n  \"params\": [\n    300000\n  ],\n  \"id\": 1\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://rpc.quai.network/cyprus1/")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"quai_traceTransaction\",\n  \"params\": [\n    300000\n  ],\n  \"id\": 1\n}"

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

{
  "jsonrpc": "2.0",
  "result": {
    "type": "CALL",
    "from": "0x1aa538ebd756c761681e3dd2489ccdbb3edabac2",
    "to": "0x0f3d34e094d198c7a4c3db35ba1351fdae0bc929",
    "value": "0x69e10de76676d08000000",
    "gas": "0x137718",
    "gasUsed": "0x13c5a",
    "input": "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",
    "output": "0x",
    "time": "28.572303ms",
    "calls": [
      {
        "type": "STATICCALL",
        "from": "0x0f3d34e094d198c7a4c3db35ba1351fdae0bc929",
        "to": "0x0000000000000000000000000000000000000001",
        "input": "0xd51324da5ca6c8331884113967061a64a5cb52c4b5bdb561bf2e2f3466502c28000000000000000000000000000000000000000000000000000000000000001ce946bc125bfa3784631c0694c0ea0d901a76a9627f61cc84843fe6acc07ad77b64ce4df61f3479a9289d2d12d40493c277cffca30dd9cd6b928be7bbe725d999",
        "output": "0x00000000000000000000000015c1b1d51fa91e881a39981d75339dcb4fafe89f"
      },
      {
        "type": "STATICCALL",
        "from": "0x0f3d34e094d198c7a4c3db35ba1351fdae0bc929",
        "to": "0x1856f346b67615e9acb4dc3da6ebceb2bc2f8940",
        "gas": "0x12a285",
        "gasUsed": "0xa52",
        "input": "0x6352211e0000000000000000000000000000000000000000000000000000000000000c60",
        "output": "0x00000000000000000000000015c1b1d51fa91e881a39981d75339dcb4fafe89f"
      },
      {
        "type": "CALL",
        "from": "0x0f3d34e094d198c7a4c3db35ba1351fdae0bc929",
        "to": "0x15c1b1d51fa91e881a39981d75339dcb4fafe89f",
        "value": "0x67c2f4069cbc1e4000000",
        "input": "0x",
        "output": "0x"
      },
      {
        "type": "CALL",
        "from": "0x0f3d34e094d198c7a4c3db35ba1351fdae0bc929",
        "to": "0x1856f346b67615e9acb4dc3da6ebceb2bc2f8940",
        "value": "0x0",
        "gas": "0x12518c",
        "gasUsed": "0x53bd",
        "input": "0x42842e0e00000000000000000000000015c1b1d51fa91e881a39981d75339dcb4fafe89f0000000000000000000000001aa538ebd756c761681e3dd2489ccdbb3edabac20000000000000000000000000000000000000000000000000000000000000c60",
        "output": "0x"
      }
    ]
  },
  "id": 1
}