curl --request PATCH \
  --url https://platform.uat.nowbookit.com/api/reservations/venue/{venueId}/reservation/{id} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "partySize": 4
}'

import requests

url = "https://platform.uat.nowbookit.com/api/reservations/venue/{venueId}/reservation/{id}"

payload = { "partySize": 4 }
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({partySize: 4})
};

fetch('https://platform.uat.nowbookit.com/api/reservations/venue/{venueId}/reservation/{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://platform.uat.nowbookit.com/api/reservations/venue/{venueId}/reservation/{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([
    'partySize' => 4
  ]),
  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://platform.uat.nowbookit.com/api/reservations/venue/{venueId}/reservation/{id}"

	payload := strings.NewReader("{\n  \"partySize\": 4\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://platform.uat.nowbookit.com/api/reservations/venue/{venueId}/reservation/{id}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"partySize\": 4\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://platform.uat.nowbookit.com/api/reservations/venue/{venueId}/reservation/{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  \"partySize\": 4\n}"

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

{
  "id": "booking_2026-09-01_G3F7PA8HO438Z_1787294227662",
  "bookingRef": "94227662",
  "status": "C",
  "statusId": "status_confirmed",
  "reservationType": "Booking",
  "bookingDateTime": "2026-09-01T18:30:00",
  "durationMinutes": 120,
  "partySize": 4,
  "service": {
    "id": "service_dinner",
    "name": "Dinner"
  },
  "diner": {
    "id": "customer_9f2a1c",
    "firstName": "Alex",
    "lastName": "Chen",
    "email": "[email protected]",
    "phone": "+61400000000"
  },
  "tableIds": [
    "table_12"
  ],
  "requestedSectionId": "section_main",
  "paymentDetails": {
    "paymentType": "NoPayment",
    "currency": "AUD",
    "total": 0,
    "paid": 0,
    "state": "None"
  },
  "source": "online",
  "createdAt": "2026-08-24T04:15:20.104Z",
  "updatedAt": "2026-08-28T04:45:00.104Z"
}

{
  "code": "ValidationError",
  "message": "Request body failed validation",
  "requestId": "0f1c9f2e-4b8a-4c1e-9d33-2a7f5b1c8e90",
  "errors": {
    "selectedOptions": [
      "Required when partySize changes on a PerPax service"
    ]
  }
}

{
  "detail": "Reservation not found: booking_2026-09-01_G3F7PA8HO438Z_1787294227662"
}

{
  "detail": "This venue stops taking changes 2 hour(s) before a reservation starts"
}

{
  "code": "InternalError",
  "message": "Internal server error",
  "requestId": "0f1c9f2e-4b8a-4c1e-9d33-2a7f5b1c8e90"
}

{
  "detail": "Not implemented yet: notes, tagIds"
}