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PATCH
/
v2
/
calendars
/
{calendar}
/
events
/
{eventUid}
Update meeting details in calendar
curl --request PATCH \
  --url https://api.cal.com/v2/calendars/{calendar}/events/{eventUid} \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "start": {
    "time": "2023-11-07T05:31:56Z",
    "timeZone": "<string>"
  },
  "end": {
    "time": "2023-11-07T05:31:56Z",
    "timeZone": "<string>"
  },
  "title": "<string>",
  "description": "<string>",
  "attendees": [
    {
      "email": "<string>",
      "name": "<string>",
      "self": true,
      "optional": true,
      "host": true
    }
  ],
  "status": "accepted"
}
'
import requests

url = "https://api.cal.com/v2/calendars/{calendar}/events/{eventUid}"

payload = {
    "start": {
        "time": "2023-11-07T05:31:56Z",
        "timeZone": "<string>"
    },
    "end": {
        "time": "2023-11-07T05:31:56Z",
        "timeZone": "<string>"
    },
    "title": "<string>",
    "description": "<string>",
    "attendees": [
        {
            "email": "<string>",
            "name": "<string>",
            "self": True,
            "optional": True,
            "host": True
        }
    ],
    "status": "accepted"
}
headers = {
    "Authorization": "<authorization>",
    "Content-Type": "application/json"
}

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

print(response.text)
const options = {
  method: 'PATCH',
  headers: {Authorization: '<authorization>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    start: {time: '2023-11-07T05:31:56Z', timeZone: '<string>'},
    end: {time: '2023-11-07T05:31:56Z', timeZone: '<string>'},
    title: '<string>',
    description: '<string>',
    attendees: [{email: '<string>', name: '<string>', self: true, optional: true, host: true}],
    status: 'accepted'
  })
};

fetch('https://api.cal.com/v2/calendars/{calendar}/events/{eventUid}', 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/calendars/{calendar}/events/{eventUid}",
  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([
    'start' => [
        'time' => '2023-11-07T05:31:56Z',
        'timeZone' => '<string>'
    ],
    'end' => [
        'time' => '2023-11-07T05:31:56Z',
        'timeZone' => '<string>'
    ],
    'title' => '<string>',
    'description' => '<string>',
    'attendees' => [
        [
                'email' => '<string>',
                'name' => '<string>',
                'self' => true,
                'optional' => true,
                'host' => true
        ]
    ],
    'status' => 'accepted'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <authorization>",
    "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.com/v2/calendars/{calendar}/events/{eventUid}"

	payload := strings.NewReader("{\n  \"start\": {\n    \"time\": \"2023-11-07T05:31:56Z\",\n    \"timeZone\": \"<string>\"\n  },\n  \"end\": {\n    \"time\": \"2023-11-07T05:31:56Z\",\n    \"timeZone\": \"<string>\"\n  },\n  \"title\": \"<string>\",\n  \"description\": \"<string>\",\n  \"attendees\": [\n    {\n      \"email\": \"<string>\",\n      \"name\": \"<string>\",\n      \"self\": true,\n      \"optional\": true,\n      \"host\": true\n    }\n  ],\n  \"status\": \"accepted\"\n}")

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

	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/calendars/{calendar}/events/{eventUid}")
  .header("Authorization", "<authorization>")
  .header("Content-Type", "application/json")
  .body("{\n  \"start\": {\n    \"time\": \"2023-11-07T05:31:56Z\",\n    \"timeZone\": \"<string>\"\n  },\n  \"end\": {\n    \"time\": \"2023-11-07T05:31:56Z\",\n    \"timeZone\": \"<string>\"\n  },\n  \"title\": \"<string>\",\n  \"description\": \"<string>\",\n  \"attendees\": [\n    {\n      \"email\": \"<string>\",\n      \"name\": \"<string>\",\n      \"self\": true,\n      \"optional\": true,\n      \"host\": true\n    }\n  ],\n  \"status\": \"accepted\"\n}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://api.cal.com/v2/calendars/{calendar}/events/{eventUid}")

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

request = Net::HTTP::Patch.new(url)
request["Authorization"] = '<authorization>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"start\": {\n    \"time\": \"2023-11-07T05:31:56Z\",\n    \"timeZone\": \"<string>\"\n  },\n  \"end\": {\n    \"time\": \"2023-11-07T05:31:56Z\",\n    \"timeZone\": \"<string>\"\n  },\n  \"title\": \"<string>\",\n  \"description\": \"<string>\",\n  \"attendees\": [\n    {\n      \"email\": \"<string>\",\n      \"name\": \"<string>\",\n      \"self\": true,\n      \"optional\": true,\n      \"host\": true\n    }\n  ],\n  \"status\": \"accepted\"\n}"

response = http.request(request)
puts response.read_body
{
  "status": "success",
  "data": {
    "start": {
      "time": "2023-11-07T05:31:56Z",
      "timeZone": "<string>"
    },
    "end": {
      "time": "2023-11-07T05:31:56Z",
      "timeZone": "<string>"
    },
    "id": "<string>",
    "title": "<string>",
    "source": "google",
    "description": "<string>",
    "locations": [
      {
        "type": "video",
        "url": "<string>",
        "label": "<string>",
        "password": "<string>",
        "meetingCode": "<string>",
        "accessCode": "<string>"
      }
    ],
    "attendees": [
      {
        "email": "<string>",
        "name": "<string>",
        "responseStatus": "accepted",
        "self": true,
        "optional": true,
        "host": true
      }
    ],
    "status": "accepted",
    "hosts": [
      {
        "email": "<string>",
        "name": "<string>",
        "responseStatus": "accepted"
      }
    ],
    "calendarEventOwner": {
      "email": "<string>",
      "name": "<string>"
    }
  }
}

Headers

​
Authorization
string
required

value must be Bearer <token> where <token> is api key prefixed with cal_, managed user access token, or OAuth access token

Path Parameters

​
calendar
enum<string>
required
Available options:
google
​
eventUid
string
required

The Google Calendar event ID. You can retrieve this by getting booking references from the following endpoints:

Body

application/json
​
start
object

Start date and time of the calendar event with timezone information

​
end
object

End date and time of the calendar event with timezone information

​
title
string

Title of the calendar event

​
description
string | null

Detailed description of the calendar event

​
attendees
object[] | null

List of attendees. CAUTION: You must pass the entire array with all updated values. Any attendees not included in this array will be removed from the event.

​
status
enum<string> | null

Status of the event (accepted, pending, declined, cancelled)

Available options:
accepted,
pending,
declined,
cancelled
Example:

"accepted"

Response

200 - application/json
​
status
enum<string>
required
Available options:
success,
error
Example:

"success"

​
data
object
required