curl --request POST \
  --url https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "debug_getRawBlock",
  "params": [
    "0x3480c62"
  ]
}
'

import requests

url = "https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/"

payload = {
    "id": 1,
    "jsonrpc": "2.0",
    "method": "debug_getRawBlock",
    "params": ["0x3480c62"]
}
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({id: 1, jsonrpc: '2.0', method: 'debug_getRawBlock', params: ['0x3480c62']})
};

fetch('https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/', 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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/",
  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([
    'id' => 1,
    'jsonrpc' => '2.0',
    'method' => 'debug_getRawBlock',
    'params' => [
        '0x3480c62'
    ]
  ]),
  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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/"

	payload := strings.NewReader("{\n  \"id\": 1,\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"debug_getRawBlock\",\n  \"params\": [\n    \"0x3480c62\"\n  ]\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://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": 1,\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"debug_getRawBlock\",\n  \"params\": [\n    \"0x3480c62\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/")

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  \"id\": 1,\n  \"jsonrpc\": \"2.0\",\n  \"method\": \"debug_getRawBlock\",\n  \"params\": [\n    \"0x3480c62\"\n  ]\n}"

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "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"
}