curl --request POST \
  --url https://api.example.com/v1/Accounts/{account_sid}/Calls \
  --header 'Content-Type: application/json' \
  --data '
{
  "call_hook": "https://public-apps.dev.voxeme.com/hello-world",
  "call_status_hook": "https://public-apps.dev.voxeme.com/call-status",
  "from": "15083778299",
  "speech_recognizer_vendor": "Google",
  "speech_synthesis_language": "en-US",
  "speech_synthesis_vendor": "google",
  "speech_synthesis_voice": "Wavenet-A",
  "to": {
    "number": "15089084809",
    "type": "phone"
  }
}
'

import requests

url = "https://api.example.com/v1/Accounts/{account_sid}/Calls"

payload = {
    "call_hook": "https://public-apps.dev.voxeme.com/hello-world",
    "call_status_hook": "https://public-apps.dev.voxeme.com/call-status",
    "from": "15083778299",
    "speech_recognizer_vendor": "Google",
    "speech_synthesis_language": "en-US",
    "speech_synthesis_vendor": "google",
    "speech_synthesis_voice": "Wavenet-A",
    "to": {
        "number": "15089084809",
        "type": "phone"
    }
}
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({
    call_hook: 'https://public-apps.dev.voxeme.com/hello-world',
    call_status_hook: 'https://public-apps.dev.voxeme.com/call-status',
    from: '15083778299',
    speech_recognizer_vendor: 'Google',
    speech_synthesis_language: 'en-US',
    speech_synthesis_vendor: 'google',
    speech_synthesis_voice: 'Wavenet-A',
    to: {number: '15089084809', type: 'phone'}
  })
};

fetch('https://api.example.com/v1/Accounts/{account_sid}/Calls', 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://api.example.com/v1/Accounts/{account_sid}/Calls",
  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([
    'call_hook' => 'https://public-apps.dev.voxeme.com/hello-world',
    'call_status_hook' => 'https://public-apps.dev.voxeme.com/call-status',
    'from' => '15083778299',
    'speech_recognizer_vendor' => 'Google',
    'speech_synthesis_language' => 'en-US',
    'speech_synthesis_vendor' => 'google',
    'speech_synthesis_voice' => 'Wavenet-A',
    'to' => [
        'number' => '15089084809',
        'type' => 'phone'
    ]
  ]),
  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://api.example.com/v1/Accounts/{account_sid}/Calls"

	payload := strings.NewReader("{\n  \"call_hook\": \"https://public-apps.dev.voxeme.com/hello-world\",\n  \"call_status_hook\": \"https://public-apps.dev.voxeme.com/call-status\",\n  \"from\": \"15083778299\",\n  \"speech_recognizer_vendor\": \"Google\",\n  \"speech_synthesis_language\": \"en-US\",\n  \"speech_synthesis_vendor\": \"google\",\n  \"speech_synthesis_voice\": \"Wavenet-A\",\n  \"to\": {\n    \"number\": \"15089084809\",\n    \"type\": \"phone\"\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://api.example.com/v1/Accounts/{account_sid}/Calls")
  .header("Content-Type", "application/json")
  .body("{\n  \"call_hook\": \"https://public-apps.dev.voxeme.com/hello-world\",\n  \"call_status_hook\": \"https://public-apps.dev.voxeme.com/call-status\",\n  \"from\": \"15083778299\",\n  \"speech_recognizer_vendor\": \"Google\",\n  \"speech_synthesis_language\": \"en-US\",\n  \"speech_synthesis_vendor\": \"google\",\n  \"speech_synthesis_voice\": \"Wavenet-A\",\n  \"to\": {\n    \"number\": \"15089084809\",\n    \"type\": \"phone\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/Accounts/{account_sid}/Calls")

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  \"call_hook\": \"https://public-apps.dev.voxeme.com/hello-world\",\n  \"call_status_hook\": \"https://public-apps.dev.voxeme.com/call-status\",\n  \"from\": \"15083778299\",\n  \"speech_recognizer_vendor\": \"Google\",\n  \"speech_synthesis_language\": \"en-US\",\n  \"speech_synthesis_vendor\": \"google\",\n  \"speech_synthesis_voice\": \"Wavenet-A\",\n  \"to\": {\n    \"number\": \"15089084809\",\n    \"type\": \"phone\"\n  }\n}"

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

{
  "callId": "fb1893f3-b547-123c-1c99-0e24c2fb464d",
  "sid": "a4941f23-66b8-4b52-b495-94192adee7ec"
}