curl --request POST \
  --url https://your-instance.example.com/api/webhook/twilio/sms \
  --header 'Content-Type: application/json' \
  --data '
{
  "From": "+14165550100",
  "To": "+12362320246",
  "Body": "Hey, can you call me back?",
  "MessageSid": "SM5f7b1c2e8a1d4e0012c3b4a5",
  "NumMedia": "0"
}
'

import requests

url = "https://your-instance.example.com/api/webhook/twilio/sms"

payload = {
    "From": "+14165550100",
    "To": "+12362320246",
    "Body": "Hey, can you call me back?",
    "MessageSid": "SM5f7b1c2e8a1d4e0012c3b4a5",
    "NumMedia": "0"
}
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({
    From: '+14165550100',
    To: '+12362320246',
    Body: 'Hey, can you call me back?',
    MessageSid: 'SM5f7b1c2e8a1d4e0012c3b4a5',
    NumMedia: '0'
  })
};

fetch('https://your-instance.example.com/api/webhook/twilio/sms', 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://your-instance.example.com/api/webhook/twilio/sms",
  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([
    'From' => '+14165550100',
    'To' => '+12362320246',
    'Body' => 'Hey, can you call me back?',
    'MessageSid' => 'SM5f7b1c2e8a1d4e0012c3b4a5',
    'NumMedia' => '0'
  ]),
  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://your-instance.example.com/api/webhook/twilio/sms"

	payload := strings.NewReader("{\n  \"From\": \"+14165550100\",\n  \"To\": \"+12362320246\",\n  \"Body\": \"Hey, can you call me back?\",\n  \"MessageSid\": \"SM5f7b1c2e8a1d4e0012c3b4a5\",\n  \"NumMedia\": \"0\"\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://your-instance.example.com/api/webhook/twilio/sms")
  .header("Content-Type", "application/json")
  .body("{\n  \"From\": \"+14165550100\",\n  \"To\": \"+12362320246\",\n  \"Body\": \"Hey, can you call me back?\",\n  \"MessageSid\": \"SM5f7b1c2e8a1d4e0012c3b4a5\",\n  \"NumMedia\": \"0\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://your-instance.example.com/api/webhook/twilio/sms")

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  \"From\": \"+14165550100\",\n  \"To\": \"+12362320246\",\n  \"Body\": \"Hey, can you call me back?\",\n  \"MessageSid\": \"SM5f7b1c2e8a1d4e0012c3b4a5\",\n  \"NumMedia\": \"0\"\n}"

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

"<?xml version=\"1.0\" encoding=\"UTF-8\"?><Response></Response>"

{
  "error": "Webhook processing failed"
}