curl --request POST \
  --url https://arc-testnet.core.chainstack.com/6caa7fd90475ac9214f7521dd460fa7c/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "trace_callMany",
  "params": [
    [
      [
        {
          "from": "0x5d20879655df3c1e04ab111af0009ad650e762f0",
          "to": "0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e",
          "gas": "0xf4240",
          "data": "0x"
        },
        [
          "trace"
        ]
      ]
    ],
    "latest"
  ]
}
'

import requests

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

payload = {
    "id": 1,
    "jsonrpc": "2.0",
    "method": "trace_callMany",
    "params": [[[
                {
                    "from": "0x5d20879655df3c1e04ab111af0009ad650e762f0",
                    "to": "0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e",
                    "gas": "0xf4240",
                    "data": "0x"
                },
                ["trace"]
            ]], "latest"]
}
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: 'trace_callMany',
    params: [
      [
        [
          {
            from: '0x5d20879655df3c1e04ab111af0009ad650e762f0',
            to: '0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e',
            gas: '0xf4240',
            data: '0x'
          },
          ['trace']
        ]
      ],
      'latest'
    ]
  })
};

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' => 'trace_callMany',
    'params' => [
        [
                [
                                [
                                                                'from' => '0x5d20879655df3c1e04ab111af0009ad650e762f0',
                                                                'to' => '0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e',
                                                                'gas' => '0xf4240',
                                                                'data' => '0x'
                                ],
                                [
                                                                'trace'
                                ]
                ]
        ],
        'latest'
    ]
  ]),
  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\": \"trace_callMany\",\n  \"params\": [\n    [\n      [\n        {\n          \"from\": \"0x5d20879655df3c1e04ab111af0009ad650e762f0\",\n          \"to\": \"0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e\",\n          \"gas\": \"0xf4240\",\n          \"data\": \"0x\"\n        },\n        [\n          \"trace\"\n        ]\n      ]\n    ],\n    \"latest\"\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\": \"trace_callMany\",\n  \"params\": [\n    [\n      [\n        {\n          \"from\": \"0x5d20879655df3c1e04ab111af0009ad650e762f0\",\n          \"to\": \"0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e\",\n          \"gas\": \"0xf4240\",\n          \"data\": \"0x\"\n        },\n        [\n          \"trace\"\n        ]\n      ]\n    ],\n    \"latest\"\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\": \"trace_callMany\",\n  \"params\": [\n    [\n      [\n        {\n          \"from\": \"0x5d20879655df3c1e04ab111af0009ad650e762f0\",\n          \"to\": \"0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e\",\n          \"gas\": \"0xf4240\",\n          \"data\": \"0x\"\n        },\n        [\n          \"trace\"\n        ]\n      ]\n    ],\n    \"latest\"\n  ]\n}"

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

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": [
    {
      "output": "0x",
      "stateDiff": null,
      "trace": [
        {
          "type": "call",
          "action": {
            "from": "0x5d20879655df3c1e04ab111af0009ad650e762f0",
            "callType": "call",
            "gas": "0xef038",
            "input": "0x",
            "to": "0x7798f2eb73c1dd8fa8086d780d5cf114a10f528e",
            "value": "0x0"
          },
          "error": "Reverted",
          "result": {
            "gasUsed": "0x2e",
            "output": "0x"
          },
          "subtraces": 0,
          "traceAddress": []
        }
      ],
      "vmTrace": null
    }
  ]
}