curl --request PUT \
  --url https://api.hubapi.com/integrations/v1/{application-id}/timeline/event

import requests

url = "https://api.hubapi.com/integrations/v1/{application-id}/timeline/event"

response = requests.put(url)

print(response.text)

const options = {method: 'PUT'};

fetch('https://api.hubapi.com/integrations/v1/{application-id}/timeline/event', 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.hubapi.com/integrations/v1/{application-id}/timeline/event",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
]);

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

curl_close($curl);

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

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://api.hubapi.com/integrations/v1/{application-id}/timeline/event"

	req, _ := http.NewRequest("PUT", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.put("https://api.hubapi.com/integrations/v1/{application-id}/timeline/event")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hubapi.com/integrations/v1/{application-id}/timeline/event")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Put.new(url)

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

[
  {
    "id": "3",
    "objectId": 1,
    "eventTypeId": "123"
  },
  {
    "id": "3",
    "email": "test@test.com",
    "eventTypeId": "123"
  },
  {
    "id": "3",
    "utk": "89b5afb740d41f4cd6651ac5237edf09",
    "eventTypeId": "123"
  },
  {
    "id": "1",
    "objectId": 11,
    "email": "santa.claus@far.com",
    "eventTypeId": "123"
  },
  {
    "id": "3",
    "objectId": 1,
    "eventTypeId": "123",
    "extraData": {
      "name": "JohnDoe",
      "weather": "Cloudy"
    }
  },
  {
    "id": "3",
    "objectId": 1,
    "eventTypeId": "123",
    "presentationId": "9876543",
    "extraData": {
      "name": "JohnDoe",
      "weather": "Cloudy"
    }
  },
  {
    "id": "3",
    "objectId": 1,
    "eventTypeId": "123",
    "timelineIFrame": {
      "linkLabel": "View external data",
      "iframeLabel": "Example iframe",
      "iframeUri": "https://example.com",
      "width": 800,
      "height": 300
    }
  }
]