curl --request PATCH \
  --url https://api.cal.id/event-types/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "title": "Updated Discovery Call"
}
'

import requests

url = "https://api.cal.id/event-types/{id}"

payload = { "title": "Updated Discovery Call" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({title: 'Updated Discovery Call'})
};

fetch('https://api.cal.id/event-types/{id}', 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.id/event-types/{id}",
  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([
    'title' => 'Updated Discovery Call'
  ]),
  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;
}

package main

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

func main() {

	url := "https://api.cal.id/event-types/{id}"

	payload := strings.NewReader("{\n  \"title\": \"Updated Discovery Call\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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.id/event-types/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"title\": \"Updated Discovery Call\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.cal.id/event-types/{id}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"title\": \"Updated Discovery Call\"\n}"

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

{
  "success": true,
  "data": {
    "id": 100482,
    "title": "Intro Call",
    "slug": "intro-call",
    "description": "A quick 15 minute introduction.",
    "interfaceLanguage": "en",
    "position": 0,
    "locations": [
      {
        "type": "integrations:daily"
      }
    ],
    "bookingFields": [
      {
        "name": "name",
        "type": "name",
        "required": true
      },
      {
        "name": "email",
        "type": "email",
        "required": true
      },
      {
        "name": "notes",
        "type": "textarea",
        "required": false
      }
    ],
    "length": 20,
    "offsetStart": 0,
    "hidden": false,
    "userId": 4021,
    "teamId": null,
    "profileId": null,
    "timeZone": null,
    "periodType": "UNLIMITED",
    "periodStartDate": null,
    "periodEndDate": null,
    "periodDays": null,
    "periodCountCalendarDays": null,
    "lockTimeZoneToggleOnBookingPage": false,
    "lockedTimeZone": null,
    "requiresConfirmation": false,
    "requiresConfirmationWillBlockSlot": false,
    "requiresConfirmationForFreeEmail": false,
    "requiresBookerEmailVerification": false,
    "recurringEvent": null,
    "disableGuests": false,
    "hideCalendarNotes": false,
    "hideCalendarEventDetails": false,
    "minimumBookingNotice": 120,
    "beforeEventBuffer": 0,
    "afterEventBuffer": 10,
    "seatsPerTimeSlot": null,
    "onlyShowFirstAvailableSlot": false,
    "disableCancelling": false,
    "disableRescheduling": false,
    "disableHostCancelling": false,
    "disableHostRescheduling": false,
    "seatsShowAttendees": null,
    "seatsShowAvailabilityCount": null,
    "schedulingType": null,
    "scheduleId": 2214,
    "price": 0,
    "currency": "usd",
    "slotInterval": null,
    "metadata": {},
    "successRedirectUrl": null,
    "forwardParamsSuccessRedirect": true,
    "bookingLimits": null,
    "durationLimits": null,
    "isInstantEvent": false,
    "instantMeetingExpiryTimeOffsetInSeconds": 90,
    "assignAllTeamMembers": false,
    "assignRRMembersUsingSegment": false,
    "rrSegmentQueryValue": null,
    "useEventTypeDestinationCalendarEmail": false,
    "isRRWeightsEnabled": false,
    "maxLeadThreshold": null,
    "includeNoShowInRRCalculation": false,
    "allowReschedulingPastBookings": false,
    "hideOrganizerEmail": false,
    "maxActiveBookingsPerBooker": null,
    "maxActiveBookingPerBookerOfferReschedule": false,
    "customReplyToEmail": null,
    "eventTypeColor": null,
    "rescheduleWithSameRoundRobinHost": false,
    "secondaryEmailId": null,
    "useBookerTimezone": false,
    "restrictionScheduleId": null,
    "createdDate": "2026-02-11T10:04:18.000Z",
    "updatedDate": "2026-05-01T12:00:00.000Z"
  },
  "message": "Event type updated successfully"
}

{
  "success": false,
  "message": "<string>",
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "success": false,
  "message": "<string>",
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "success": false,
  "message": "<string>",
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "success": false,
  "message": "<string>",
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "success": false,
  "message": "<string>",
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "success": false,
  "message": "Rate limit exceeded",
  "error": {
    "code": "TOO_MANY_REQUESTS",
    "message": "Too many requests. Please retry after the rate limit window resets."
  }
}