curl --request PUT \
  --url https://{apiBaseUrl}/api/guestprofile/entities/{entity_id}/guests/{guest_id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": {
    "value": "MR",
    "from": "guest"
  },
  "gender": {
    "value": "M",
    "from": "guest"
  }
}
'

const url = 'https://{apiBaseUrl}/api/guestprofile/entities/{entity_id}/guests/{guest_id}';
const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({title: {value: 'MR', from: 'guest'}, gender: {value: 'M', from: 'guest'}})
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

import requests

url = "https://{apiBaseUrl}/api/guestprofile/entities/{entity_id}/guests/{guest_id}"

payload = {
    "title": {
        "value": "MR",
        "from": "guest"
    },
    "gender": {
        "value": "M",
        "from": "guest"
    }
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{apiBaseUrl}/api/guestprofile/entities/{entity_id}/guests/{guest_id}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'title' => [
        'value' => 'MR',
        'from' => 'guest'
    ],
    'gender' => [
        'value' => 'M',
        'from' => 'guest'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

using RestSharp;


var options = new RestClientOptions("https://{apiBaseUrl}/api/guestprofile/entities/{entity_id}/guests/{guest_id}");
var client = new RestClient(options);
var request = new RestRequest("");
request.AddHeader("Authorization", "Bearer <token>");
request.AddJsonBody("{\n  \"title\": {\n    \"value\": \"MR\",\n    \"from\": \"guest\"\n  },\n  \"gender\": {\n    \"value\": \"M\",\n    \"from\": \"guest\"\n  }\n}", false);
var response = await client.PutAsync(request);

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

HttpResponse<String> response = Unirest.put("https://{apiBaseUrl}/api/guestprofile/entities/{entity_id}/guests/{guest_id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": {\n    \"value\": \"MR\",\n    \"from\": \"guest\"\n  },\n  \"gender\": {\n    \"value\": \"M\",\n    \"from\": \"guest\"\n  }\n}")
  .asString();