curl --request POST \
  --url https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "debug_traceTransaction",
  "params": [
    "0xfc48f7c70e8ffaa46b1110dc43f32e90f65434a0949edab384d066c820c57ee2",
    {
      "tracer": "callTracer"
    }
  ]
}
'

import requests

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

payload = {
    "id": 1,
    "jsonrpc": "2.0",
    "method": "debug_traceTransaction",
    "params": ["0xfc48f7c70e8ffaa46b1110dc43f32e90f65434a0949edab384d066c820c57ee2", { "tracer": "callTracer" }]
}
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_traceTransaction',
    params: [
      '0xfc48f7c70e8ffaa46b1110dc43f32e90f65434a0949edab384d066c820c57ee2',
      {tracer: 'callTracer'}
    ]
  })
};

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_traceTransaction',
    'params' => [
        '0xfc48f7c70e8ffaa46b1110dc43f32e90f65434a0949edab384d066c820c57ee2',
        [
                'tracer' => 'callTracer'
        ]
    ]
  ]),
  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_traceTransaction\",\n  \"params\": [\n    \"0xfc48f7c70e8ffaa46b1110dc43f32e90f65434a0949edab384d066c820c57ee2\",\n    {\n      \"tracer\": \"callTracer\"\n    }\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_traceTransaction\",\n  \"params\": [\n    \"0xfc48f7c70e8ffaa46b1110dc43f32e90f65434a0949edab384d066c820c57ee2\",\n    {\n      \"tracer\": \"callTracer\"\n    }\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_traceTransaction\",\n  \"params\": [\n    \"0xfc48f7c70e8ffaa46b1110dc43f32e90f65434a0949edab384d066c820c57ee2\",\n    {\n      \"tracer\": \"callTracer\"\n    }\n  ]\n}"

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": {
    "from": "0x19d7cf8ea0ce468417d1eda365a222a9dcbc7d27",
    "gas": "0x927c0",
    "gasUsed": "0xc550",
    "to": "0xd011948bd0d6d433d4ba6df9dc44eb9a2bfa555f",
    "input": "0xb61d27f60000000000000000000000001ff9c167b50d05910ffdadb82d3d2da4508330ca0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000040a617bee00000000000000000000000000000000000000000000000000000000",
    "output": "0x4e487b710000000000000000000000000000000000000000000000000000000000000012",
    "error": "execution reverted",
    "revertReason": "division or modulo by zero",
    "calls": [
      {
        "from": "0xd011948bd0d6d433d4ba6df9dc44eb9a2bfa555f",
        "gas": "0x89bee",
        "gasUsed": "0x5c52",
        "to": "0xd206ac7fef53d83ed4563e770b28dba90d0d9ec8",
        "input": "0xb61d27f60000000000000000000000001ff9c167b50d05910ffdadb82d3d2da4508330ca0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000040a617bee00000000000000000000000000000000000000000000000000000000",
        "output": "0x4e487b710000000000000000000000000000000000000000000000000000000000000012",
        "error": "execution reverted",
        "revertReason": "division or modulo by zero",
        "calls": [
          {
            "from": "0xd011948bd0d6d433d4ba6df9dc44eb9a2bfa555f",
            "gas": "0x7530",
            "gasUsed": "0xf1",
            "to": "0x1ff9c167b50d05910ffdadb82d3d2da4508330ca",
            "input": "0x01ffc9a701ffc9a700000000000000000000000000000000000000000000000000000000",
            "type": "STATICCALL"
          },
          {
            "from": "0xd011948bd0d6d433d4ba6df9dc44eb9a2bfa555f",
            "gas": "0x82a56",
            "gasUsed": "0xb84",
            "to": "0x1ff9c167b50d05910ffdadb82d3d2da4508330ca",
            "input": "0x0a617bee",
            "output": "0x4e487b710000000000000000000000000000000000000000000000000000000000000012",
            "error": "execution reverted",
            "revertReason": "division or modulo by zero",
            "value": "0x0",
            "type": "CALL"
          }
        ],
        "value": "0x0",
        "type": "DELEGATECALL"
      }
    ],
    "value": "0x0",
    "type": "CALL"
  }
}