curl --request PUT \
  --url https://api.sonderplan.com/v2/booking \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "id": 1,
  "name": "Test Booking",
  "start": 1547501100,
  "end": 1547538900,
  "start_date_time_iso": "2022-02-22T09:00:00+11:00",
  "end_date_time_iso": "2022-02-22T17:00:00+11:00",
  "all_day": "false",
  "notes": "Additional note",
  "repeat_master": "true",
  "repeat_master_id": "0",
  "repeat_rule": "FREQ=daily;INTERVAL=2;REPENDTYPE=date;UNTIL=20220228T130000;",
  "resources": [
    {
      "id": 9458,
      "rates": [
        {
          "rate_scheme_id": 984312,
          "rate_scheme_name": "Resource Rate",
          "currency": "AUD",
          "buy": {
            "unit": "hourly",
            "unit_amount": "20.65",
            "quantity": "2.4",
            "discount": "20.00%"
          },
          "sell": {
            "unit": "hourly",
            "unit_amount": "20.65",
            "quantity": "2.4",
            "discount": "20.00%"
          }
        }
      ],
      "time_entries": [
        {
          "name": "Colour Grading",
          "description": "Opening scenes completed",
          "start": 1547501100,
          "end": 1547538900
        }
      ]
    }
  ],
  "project": [
    {
      "id": 2342354,
      "start": 1547501100,
      "end": 1547538900
    }
  ],
  "client": [
    {
      "uuid": "p4",
      "contact_person": {
        "id": 2837
      }
    }
  ],
  "status": [
    {
      "name": "Second Hold",
      "description": "Has second priority if the first hold cancels",
      "notification": true
    }
  ],
  "billable_items": [
    {
      "name": "NAS Storage",
      "id": 2342354,
      "description": "Rented per TB, per month",
      "cost": "25.23",
      "buy_cost": "20",
      "currency": "AUD",
      "quantity": "4",
      "billable_item_id": 897832,
      "taxes": [
        {
          "id": 3247,
          "name": "GST",
          "rate": "10.00",
          "total": "151.00"
        }
      ],
      "create_new": true
    }
  ],
  "custom_fields": [
    {
      "id": 7823,
      "name": "Type",
      "value": "Video Editing",
      "value_id": 8973,
      "update_key": "2_1_7823"
    }
  ]
}
'

import requests

url = "https://api.sonderplan.com/v2/booking"

payload = {
    "id": 1,
    "name": "Test Booking",
    "start": 1547501100,
    "end": 1547538900,
    "start_date_time_iso": "2022-02-22T09:00:00+11:00",
    "end_date_time_iso": "2022-02-22T17:00:00+11:00",
    "all_day": "false",
    "notes": "Additional note",
    "repeat_master": "true",
    "repeat_master_id": "0",
    "repeat_rule": "FREQ=daily;INTERVAL=2;REPENDTYPE=date;UNTIL=20220228T130000;",
    "resources": [
        {
            "id": 9458,
            "rates": [
                {
                    "rate_scheme_id": 984312,
                    "rate_scheme_name": "Resource Rate",
                    "currency": "AUD",
                    "buy": {
                        "unit": "hourly",
                        "unit_amount": "20.65",
                        "quantity": "2.4",
                        "discount": "20.00%"
                    },
                    "sell": {
                        "unit": "hourly",
                        "unit_amount": "20.65",
                        "quantity": "2.4",
                        "discount": "20.00%"
                    }
                }
            ],
            "time_entries": [
                {
                    "name": "Colour Grading",
                    "description": "Opening scenes completed",
                    "start": 1547501100,
                    "end": 1547538900
                }
            ]
        }
    ],
    "project": [
        {
            "id": 2342354,
            "start": 1547501100,
            "end": 1547538900
        }
    ],
    "client": [
        {
            "uuid": "p4",
            "contact_person": { "id": 2837 }
        }
    ],
    "status": [
        {
            "name": "Second Hold",
            "description": "Has second priority if the first hold cancels",
            "notification": True
        }
    ],
    "billable_items": [
        {
            "name": "NAS Storage",
            "id": 2342354,
            "description": "Rented per TB, per month",
            "cost": "25.23",
            "buy_cost": "20",
            "currency": "AUD",
            "quantity": "4",
            "billable_item_id": 897832,
            "taxes": [
                {
                    "id": 3247,
                    "name": "GST",
                    "rate": "10.00",
                    "total": "151.00"
                }
            ],
            "create_new": True
        }
    ],
    "custom_fields": [
        {
            "id": 7823,
            "name": "Type",
            "value": "Video Editing",
            "value_id": 8973,
            "update_key": "2_1_7823"
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    id: 1,
    name: 'Test Booking',
    start: 1547501100,
    end: 1547538900,
    start_date_time_iso: '2022-02-22T09:00:00+11:00',
    end_date_time_iso: '2022-02-22T17:00:00+11:00',
    all_day: 'false',
    notes: 'Additional note',
    repeat_master: 'true',
    repeat_master_id: '0',
    repeat_rule: 'FREQ=daily;INTERVAL=2;REPENDTYPE=date;UNTIL=20220228T130000;',
    resources: [
      {
        id: 9458,
        rates: [
          {
            rate_scheme_id: 984312,
            rate_scheme_name: 'Resource Rate',
            currency: 'AUD',
            buy: {unit: 'hourly', unit_amount: '20.65', quantity: '2.4', discount: '20.00%'},
            sell: {unit: 'hourly', unit_amount: '20.65', quantity: '2.4', discount: '20.00%'}
          }
        ],
        time_entries: [
          {
            name: 'Colour Grading',
            description: 'Opening scenes completed',
            start: 1547501100,
            end: 1547538900
          }
        ]
      }
    ],
    project: [{id: 2342354, start: 1547501100, end: 1547538900}],
    client: [{uuid: 'p4', contact_person: {id: 2837}}],
    status: [
      {
        name: 'Second Hold',
        description: 'Has second priority if the first hold cancels',
        notification: true
      }
    ],
    billable_items: [
      {
        name: 'NAS Storage',
        id: 2342354,
        description: 'Rented per TB, per month',
        cost: '25.23',
        buy_cost: '20',
        currency: 'AUD',
        quantity: '4',
        billable_item_id: 897832,
        taxes: [{id: 3247, name: 'GST', rate: '10.00', total: '151.00'}],
        create_new: true
      }
    ],
    custom_fields: [
      {
        id: 7823,
        name: 'Type',
        value: 'Video Editing',
        value_id: 8973,
        update_key: '2_1_7823'
      }
    ]
  })
};

fetch('https://api.sonderplan.com/v2/booking', 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.sonderplan.com/v2/booking",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'id' => 1,
    'name' => 'Test Booking',
    'start' => 1547501100,
    'end' => 1547538900,
    'start_date_time_iso' => '2022-02-22T09:00:00+11:00',
    'end_date_time_iso' => '2022-02-22T17:00:00+11:00',
    'all_day' => 'false',
    'notes' => 'Additional note',
    'repeat_master' => 'true',
    'repeat_master_id' => '0',
    'repeat_rule' => 'FREQ=daily;INTERVAL=2;REPENDTYPE=date;UNTIL=20220228T130000;',
    'resources' => [
        [
                'id' => 9458,
                'rates' => [
                                [
                                                                'rate_scheme_id' => 984312,
                                                                'rate_scheme_name' => 'Resource Rate',
                                                                'currency' => 'AUD',
                                                                'buy' => [
                                                                                                                                'unit' => 'hourly',
                                                                                                                                'unit_amount' => '20.65',
                                                                                                                                'quantity' => '2.4',
                                                                                                                                'discount' => '20.00%'
                                                                ],
                                                                'sell' => [
                                                                                                                                'unit' => 'hourly',
                                                                                                                                'unit_amount' => '20.65',
                                                                                                                                'quantity' => '2.4',
                                                                                                                                'discount' => '20.00%'
                                                                ]
                                ]
                ],
                'time_entries' => [
                                [
                                                                'name' => 'Colour Grading',
                                                                'description' => 'Opening scenes completed',
                                                                'start' => 1547501100,
                                                                'end' => 1547538900
                                ]
                ]
        ]
    ],
    'project' => [
        [
                'id' => 2342354,
                'start' => 1547501100,
                'end' => 1547538900
        ]
    ],
    'client' => [
        [
                'uuid' => 'p4',
                'contact_person' => [
                                'id' => 2837
                ]
        ]
    ],
    'status' => [
        [
                'name' => 'Second Hold',
                'description' => 'Has second priority if the first hold cancels',
                'notification' => true
        ]
    ],
    'billable_items' => [
        [
                'name' => 'NAS Storage',
                'id' => 2342354,
                'description' => 'Rented per TB, per month',
                'cost' => '25.23',
                'buy_cost' => '20',
                'currency' => 'AUD',
                'quantity' => '4',
                'billable_item_id' => 897832,
                'taxes' => [
                                [
                                                                'id' => 3247,
                                                                'name' => 'GST',
                                                                'rate' => '10.00',
                                                                'total' => '151.00'
                                ]
                ],
                'create_new' => true
        ]
    ],
    'custom_fields' => [
        [
                'id' => 7823,
                'name' => 'Type',
                'value' => 'Video Editing',
                'value_id' => 8973,
                'update_key' => '2_1_7823'
        ]
    ]
  ]),
  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.sonderplan.com/v2/booking"

	payload := strings.NewReader("{\n  \"id\": 1,\n  \"name\": \"Test Booking\",\n  \"start\": 1547501100,\n  \"end\": 1547538900,\n  \"start_date_time_iso\": \"2022-02-22T09:00:00+11:00\",\n  \"end_date_time_iso\": \"2022-02-22T17:00:00+11:00\",\n  \"all_day\": \"false\",\n  \"notes\": \"Additional note\",\n  \"repeat_master\": \"true\",\n  \"repeat_master_id\": \"0\",\n  \"repeat_rule\": \"FREQ=daily;INTERVAL=2;REPENDTYPE=date;UNTIL=20220228T130000;\",\n  \"resources\": [\n    {\n      \"id\": 9458,\n      \"rates\": [\n        {\n          \"rate_scheme_id\": 984312,\n          \"rate_scheme_name\": \"Resource Rate\",\n          \"currency\": \"AUD\",\n          \"buy\": {\n            \"unit\": \"hourly\",\n            \"unit_amount\": \"20.65\",\n            \"quantity\": \"2.4\",\n            \"discount\": \"20.00%\"\n          },\n          \"sell\": {\n            \"unit\": \"hourly\",\n            \"unit_amount\": \"20.65\",\n            \"quantity\": \"2.4\",\n            \"discount\": \"20.00%\"\n          }\n        }\n      ],\n      \"time_entries\": [\n        {\n          \"name\": \"Colour Grading\",\n          \"description\": \"Opening scenes completed\",\n          \"start\": 1547501100,\n          \"end\": 1547538900\n        }\n      ]\n    }\n  ],\n  \"project\": [\n    {\n      \"id\": 2342354,\n      \"start\": 1547501100,\n      \"end\": 1547538900\n    }\n  ],\n  \"client\": [\n    {\n      \"uuid\": \"p4\",\n      \"contact_person\": {\n        \"id\": 2837\n      }\n    }\n  ],\n  \"status\": [\n    {\n      \"name\": \"Second Hold\",\n      \"description\": \"Has second priority if the first hold cancels\",\n      \"notification\": true\n    }\n  ],\n  \"billable_items\": [\n    {\n      \"name\": \"NAS Storage\",\n      \"id\": 2342354,\n      \"description\": \"Rented per TB, per month\",\n      \"cost\": \"25.23\",\n      \"buy_cost\": \"20\",\n      \"currency\": \"AUD\",\n      \"quantity\": \"4\",\n      \"billable_item_id\": 897832,\n      \"taxes\": [\n        {\n          \"id\": 3247,\n          \"name\": \"GST\",\n          \"rate\": \"10.00\",\n          \"total\": \"151.00\"\n        }\n      ],\n      \"create_new\": true\n    }\n  ],\n  \"custom_fields\": [\n    {\n      \"id\": 7823,\n      \"name\": \"Type\",\n      \"value\": \"Video Editing\",\n      \"value_id\": 8973,\n      \"update_key\": \"2_1_7823\"\n    }\n  ]\n}")

	req, _ := http.NewRequest("PUT", 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.put("https://api.sonderplan.com/v2/booking")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"id\": 1,\n  \"name\": \"Test Booking\",\n  \"start\": 1547501100,\n  \"end\": 1547538900,\n  \"start_date_time_iso\": \"2022-02-22T09:00:00+11:00\",\n  \"end_date_time_iso\": \"2022-02-22T17:00:00+11:00\",\n  \"all_day\": \"false\",\n  \"notes\": \"Additional note\",\n  \"repeat_master\": \"true\",\n  \"repeat_master_id\": \"0\",\n  \"repeat_rule\": \"FREQ=daily;INTERVAL=2;REPENDTYPE=date;UNTIL=20220228T130000;\",\n  \"resources\": [\n    {\n      \"id\": 9458,\n      \"rates\": [\n        {\n          \"rate_scheme_id\": 984312,\n          \"rate_scheme_name\": \"Resource Rate\",\n          \"currency\": \"AUD\",\n          \"buy\": {\n            \"unit\": \"hourly\",\n            \"unit_amount\": \"20.65\",\n            \"quantity\": \"2.4\",\n            \"discount\": \"20.00%\"\n          },\n          \"sell\": {\n            \"unit\": \"hourly\",\n            \"unit_amount\": \"20.65\",\n            \"quantity\": \"2.4\",\n            \"discount\": \"20.00%\"\n          }\n        }\n      ],\n      \"time_entries\": [\n        {\n          \"name\": \"Colour Grading\",\n          \"description\": \"Opening scenes completed\",\n          \"start\": 1547501100,\n          \"end\": 1547538900\n        }\n      ]\n    }\n  ],\n  \"project\": [\n    {\n      \"id\": 2342354,\n      \"start\": 1547501100,\n      \"end\": 1547538900\n    }\n  ],\n  \"client\": [\n    {\n      \"uuid\": \"p4\",\n      \"contact_person\": {\n        \"id\": 2837\n      }\n    }\n  ],\n  \"status\": [\n    {\n      \"name\": \"Second Hold\",\n      \"description\": \"Has second priority if the first hold cancels\",\n      \"notification\": true\n    }\n  ],\n  \"billable_items\": [\n    {\n      \"name\": \"NAS Storage\",\n      \"id\": 2342354,\n      \"description\": \"Rented per TB, per month\",\n      \"cost\": \"25.23\",\n      \"buy_cost\": \"20\",\n      \"currency\": \"AUD\",\n      \"quantity\": \"4\",\n      \"billable_item_id\": 897832,\n      \"taxes\": [\n        {\n          \"id\": 3247,\n          \"name\": \"GST\",\n          \"rate\": \"10.00\",\n          \"total\": \"151.00\"\n        }\n      ],\n      \"create_new\": true\n    }\n  ],\n  \"custom_fields\": [\n    {\n      \"id\": 7823,\n      \"name\": \"Type\",\n      \"value\": \"Video Editing\",\n      \"value_id\": 8973,\n      \"update_key\": \"2_1_7823\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.sonderplan.com/v2/booking")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"id\": 1,\n  \"name\": \"Test Booking\",\n  \"start\": 1547501100,\n  \"end\": 1547538900,\n  \"start_date_time_iso\": \"2022-02-22T09:00:00+11:00\",\n  \"end_date_time_iso\": \"2022-02-22T17:00:00+11:00\",\n  \"all_day\": \"false\",\n  \"notes\": \"Additional note\",\n  \"repeat_master\": \"true\",\n  \"repeat_master_id\": \"0\",\n  \"repeat_rule\": \"FREQ=daily;INTERVAL=2;REPENDTYPE=date;UNTIL=20220228T130000;\",\n  \"resources\": [\n    {\n      \"id\": 9458,\n      \"rates\": [\n        {\n          \"rate_scheme_id\": 984312,\n          \"rate_scheme_name\": \"Resource Rate\",\n          \"currency\": \"AUD\",\n          \"buy\": {\n            \"unit\": \"hourly\",\n            \"unit_amount\": \"20.65\",\n            \"quantity\": \"2.4\",\n            \"discount\": \"20.00%\"\n          },\n          \"sell\": {\n            \"unit\": \"hourly\",\n            \"unit_amount\": \"20.65\",\n            \"quantity\": \"2.4\",\n            \"discount\": \"20.00%\"\n          }\n        }\n      ],\n      \"time_entries\": [\n        {\n          \"name\": \"Colour Grading\",\n          \"description\": \"Opening scenes completed\",\n          \"start\": 1547501100,\n          \"end\": 1547538900\n        }\n      ]\n    }\n  ],\n  \"project\": [\n    {\n      \"id\": 2342354,\n      \"start\": 1547501100,\n      \"end\": 1547538900\n    }\n  ],\n  \"client\": [\n    {\n      \"uuid\": \"p4\",\n      \"contact_person\": {\n        \"id\": 2837\n      }\n    }\n  ],\n  \"status\": [\n    {\n      \"name\": \"Second Hold\",\n      \"description\": \"Has second priority if the first hold cancels\",\n      \"notification\": true\n    }\n  ],\n  \"billable_items\": [\n    {\n      \"name\": \"NAS Storage\",\n      \"id\": 2342354,\n      \"description\": \"Rented per TB, per month\",\n      \"cost\": \"25.23\",\n      \"buy_cost\": \"20\",\n      \"currency\": \"AUD\",\n      \"quantity\": \"4\",\n      \"billable_item_id\": 897832,\n      \"taxes\": [\n        {\n          \"id\": 3247,\n          \"name\": \"GST\",\n          \"rate\": \"10.00\",\n          \"total\": \"151.00\"\n        }\n      ],\n      \"create_new\": true\n    }\n  ],\n  \"custom_fields\": [\n    {\n      \"id\": 7823,\n      \"name\": \"Type\",\n      \"value\": \"Video Editing\",\n      \"value_id\": 8973,\n      \"update_key\": \"2_1_7823\"\n    }\n  ]\n}"

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

{
  "success": {
    "id": 1
  }
}

{
  "error": {
    "code": "404",
    "message": "Requested resource was not found"
  }
}