curl --request POST \
  --url https://api.messaging.phonovation.com/ccaas/voice/2/outbound-call-conversation \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "from": "353861234574",
  "to": "38761123123",
  "agentId": "2010EA93ABC142E812C19F529BCBD22F",
  "voiceClientType": "PSTN"
}
'

import requests

url = "https://api.messaging.phonovation.com/ccaas/voice/2/outbound-call-conversation"

payload = {
    "from": "353861234574",
    "to": "38761123123",
    "agentId": "2010EA93ABC142E812C19F529BCBD22F",
    "voiceClientType": "PSTN"
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

using RestSharp;


var options = new RestClientOptions("https://api.messaging.phonovation.com/ccaas/voice/2/outbound-call-conversation");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "<api-key>");
request.AddJsonBody("{\n  \"from\": \"353861234574\",\n  \"to\": \"38761123123\",\n  \"agentId\": \"2010EA93ABC142E812C19F529BCBD22F\",\n  \"voiceClientType\": \"PSTN\"\n}", false);
var response = await client.PostAsync(request);

Console.WriteLine("{0}", response.Content);

HttpResponse<String> response = Unirest.post("https://api.messaging.phonovation.com/ccaas/voice/2/outbound-call-conversation")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"from\": \"353861234574\",\n  \"to\": \"38761123123\",\n  \"agentId\": \"2010EA93ABC142E812C19F529BCBD22F\",\n  \"voiceClientType\": \"PSTN\"\n}")
  .asString();

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.messaging.phonovation.com/ccaas/voice/2/outbound-call-conversation",
  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' => '353861234574',
    'to' => '38761123123',
    'agentId' => '2010EA93ABC142E812C19F529BCBD22F',
    'voiceClientType' => 'PSTN'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    from: '353861234574',
    to: '38761123123',
    agentId: '2010EA93ABC142E812C19F529BCBD22F',
    voiceClientType: 'PSTN'
  })
};

fetch('https://api.messaging.phonovation.com/ccaas/voice/2/outbound-call-conversation', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));