curl --request PATCH \
  --url https://api.cal.com/v2/event-types/{eventTypeId}/private-links/{linkId} \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --header 'cal-api-version: <cal-api-version>' \
  --data '
{
  "expiresAt": "2024-12-31T23:59:59.000Z",
  "maxUsageCount": 10
}
'

import requests

url = "https://api.cal.com/v2/event-types/{eventTypeId}/private-links/{linkId}"

payload = {
    "expiresAt": "2024-12-31T23:59:59.000Z",
    "maxUsageCount": 10
}
headers = {
    "cal-api-version": "<cal-api-version>",
    "Authorization": "<authorization>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {
    'cal-api-version': '<cal-api-version>',
    Authorization: '<authorization>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({expiresAt: '2024-12-31T23:59:59.000Z', maxUsageCount: 10})
};

fetch('https://api.cal.com/v2/event-types/{eventTypeId}/private-links/{linkId}', 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.cal.com/v2/event-types/{eventTypeId}/private-links/{linkId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'expiresAt' => '2024-12-31T23:59:59.000Z',
    'maxUsageCount' => 10
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "Content-Type: application/json",
    "cal-api-version: <cal-api-version>"
  ],
]);

$response = curl_exec($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.cal.com/v2/event-types/{eventTypeId}/private-links/{linkId}"

	payload := strings.NewReader("{\n  \"expiresAt\": \"2024-12-31T23:59:59.000Z\",\n  \"maxUsageCount\": 10\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("cal-api-version", "<cal-api-version>")
	req.Header.Add("Authorization", "<authorization>")
	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.patch("https://api.cal.com/v2/event-types/{eventTypeId}/private-links/{linkId}")
  .header("cal-api-version", "<cal-api-version>")
  .header("Authorization", "<authorization>")
  .header("Content-Type", "application/json")
  .body("{\n  \"expiresAt\": \"2024-12-31T23:59:59.000Z\",\n  \"maxUsageCount\": 10\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.cal.com/v2/event-types/{eventTypeId}/private-links/{linkId}")

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

request = Net::HTTP::Patch.new(url)
request["cal-api-version"] = '<cal-api-version>'
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"expiresAt\": \"2024-12-31T23:59:59.000Z\",\n  \"maxUsageCount\": 10\n}"

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

{
  "status": "success",
  "data": {
    "linkId": "abc123def456",
    "eventTypeId": 123,
    "isExpired": false,
    "bookingUrl": "https://cal.com/d/abc123def456",
    "expiresAt": "2025-12-31T23:59:59.000Z"
  }
}