curl --request POST \
  --url https://api.example.com/v1/Applications \
  --header 'Content-Type: application/json' \
  --data '
{
  "account_sid": "",
  "call_hook": {
    "method": "POST",
    "url": "https://public-apps.dev.voxeme.com/hello-world"
  },
  "call_status_hook": {
    "method": "POST",
    "url": "https://public-apps.dev.voxeme.com/call-status"
  },
  "name": "my test app",
  "speech_recognizer_language": "en-US",
  "speech_recognizer_vendor": "google",
  "speech_synthesis_language": "en-US",
  "speech_synthesis_vendor": "google",
  "speech_synthesis_voice": "en-US-Standard-C"
}
'

import requests

url = "https://api.example.com/v1/Applications"

payload = {
    "account_sid": "",
    "call_hook": {
        "method": "POST",
        "url": "https://public-apps.dev.voxeme.com/hello-world"
    },
    "call_status_hook": {
        "method": "POST",
        "url": "https://public-apps.dev.voxeme.com/call-status"
    },
    "name": "my test app",
    "speech_recognizer_language": "en-US",
    "speech_recognizer_vendor": "google",
    "speech_synthesis_language": "en-US",
    "speech_synthesis_vendor": "google",
    "speech_synthesis_voice": "en-US-Standard-C"
}
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({
    account_sid: '',
    call_hook: {method: 'POST', url: 'https://public-apps.dev.voxeme.com/hello-world'},
    call_status_hook: {method: 'POST', url: 'https://public-apps.dev.voxeme.com/call-status'},
    name: 'my test app',
    speech_recognizer_language: 'en-US',
    speech_recognizer_vendor: 'google',
    speech_synthesis_language: 'en-US',
    speech_synthesis_vendor: 'google',
    speech_synthesis_voice: 'en-US-Standard-C'
  })
};

fetch('https://api.example.com/v1/Applications', 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/Applications",
  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([
    'account_sid' => '',
    'call_hook' => [
        'method' => 'POST',
        'url' => 'https://public-apps.dev.voxeme.com/hello-world'
    ],
    'call_status_hook' => [
        'method' => 'POST',
        'url' => 'https://public-apps.dev.voxeme.com/call-status'
    ],
    'name' => 'my test app',
    'speech_recognizer_language' => 'en-US',
    'speech_recognizer_vendor' => 'google',
    'speech_synthesis_language' => 'en-US',
    'speech_synthesis_vendor' => 'google',
    'speech_synthesis_voice' => 'en-US-Standard-C'
  ]),
  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/Applications"

	payload := strings.NewReader("{\n  \"account_sid\": \"\",\n  \"call_hook\": {\n    \"method\": \"POST\",\n    \"url\": \"https://public-apps.dev.voxeme.com/hello-world\"\n  },\n  \"call_status_hook\": {\n    \"method\": \"POST\",\n    \"url\": \"https://public-apps.dev.voxeme.com/call-status\"\n  },\n  \"name\": \"my test app\",\n  \"speech_recognizer_language\": \"en-US\",\n  \"speech_recognizer_vendor\": \"google\",\n  \"speech_synthesis_language\": \"en-US\",\n  \"speech_synthesis_vendor\": \"google\",\n  \"speech_synthesis_voice\": \"en-US-Standard-C\"\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/Applications")
  .header("Content-Type", "application/json")
  .body("{\n  \"account_sid\": \"\",\n  \"call_hook\": {\n    \"method\": \"POST\",\n    \"url\": \"https://public-apps.dev.voxeme.com/hello-world\"\n  },\n  \"call_status_hook\": {\n    \"method\": \"POST\",\n    \"url\": \"https://public-apps.dev.voxeme.com/call-status\"\n  },\n  \"name\": \"my test app\",\n  \"speech_recognizer_language\": \"en-US\",\n  \"speech_recognizer_vendor\": \"google\",\n  \"speech_synthesis_language\": \"en-US\",\n  \"speech_synthesis_vendor\": \"google\",\n  \"speech_synthesis_voice\": \"en-US-Standard-C\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.example.com/v1/Applications")

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  \"account_sid\": \"\",\n  \"call_hook\": {\n    \"method\": \"POST\",\n    \"url\": \"https://public-apps.dev.voxeme.com/hello-world\"\n  },\n  \"call_status_hook\": {\n    \"method\": \"POST\",\n    \"url\": \"https://public-apps.dev.voxeme.com/call-status\"\n  },\n  \"name\": \"my test app\",\n  \"speech_recognizer_language\": \"en-US\",\n  \"speech_recognizer_vendor\": \"google\",\n  \"speech_synthesis_language\": \"en-US\",\n  \"speech_synthesis_vendor\": \"google\",\n  \"speech_synthesis_voice\": \"en-US-Standard-C\"\n}"

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

{
  "sid": "bd66b946-0af4-4283-b972-d0d4b0d6f088"
}