curl --request PUT \
  --url https://planner.svc.v2.projectcor.com/allocation/updateAllocation \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "oldAllocation": {
    "userId": 1111,
    "companyId": 11,
    "resource": {
      "entityId": 11111,
      "typeId": "Project"
    },
    "from": "2024-01-01",
    "to": "2024-03-31",
    "assignedByUserId": 1111,
    "allocatedHours": 0
  },
  "newAllocation": {
    "userId": 1111,
    "companyId": 11,
    "resource": {
      "entityId": 11111,
      "typeId": "Project"
    },
    "from": "2024-01-01",
    "to": "2024-03-31",
    "assignedByUserId": 1111,
    "allocatedHours": 10
  }
}
'

import requests

url = "https://planner.svc.v2.projectcor.com/allocation/updateAllocation"

payload = {
    "oldAllocation": {
        "userId": 1111,
        "companyId": 11,
        "resource": {
            "entityId": 11111,
            "typeId": "Project"
        },
        "from": "2024-01-01",
        "to": "2024-03-31",
        "assignedByUserId": 1111,
        "allocatedHours": 0
    },
    "newAllocation": {
        "userId": 1111,
        "companyId": 11,
        "resource": {
            "entityId": 11111,
            "typeId": "Project"
        },
        "from": "2024-01-01",
        "to": "2024-03-31",
        "assignedByUserId": 1111,
        "allocatedHours": 10
    }
}
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({
    oldAllocation: {
      userId: 1111,
      companyId: 11,
      resource: {entityId: 11111, typeId: 'Project'},
      from: '2024-01-01',
      to: '2024-03-31',
      assignedByUserId: 1111,
      allocatedHours: 0
    },
    newAllocation: {
      userId: 1111,
      companyId: 11,
      resource: {entityId: 11111, typeId: 'Project'},
      from: '2024-01-01',
      to: '2024-03-31',
      assignedByUserId: 1111,
      allocatedHours: 10
    }
  })
};

fetch('https://planner.svc.v2.projectcor.com/allocation/updateAllocation', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

const url = 'https://planner.svc.v2.projectcor.com/allocation/updateAllocation';
const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    oldAllocation: {
      userId: 1111,
      companyId: 11,
      resource: {entityId: 11111, typeId: 'Project'},
      from: '2024-01-01',
      to: '2024-03-31',
      assignedByUserId: 1111,
      allocatedHours: 0
    },
    newAllocation: {
      userId: 1111,
      companyId: 11,
      resource: {entityId: 11111, typeId: 'Project'},
      from: '2024-01-01',
      to: '2024-03-31',
      assignedByUserId: 1111,
      allocatedHours: 10
    }
  })
};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://planner.svc.v2.projectcor.com/allocation/updateAllocation",
  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([
    'oldAllocation' => [
        'userId' => 1111,
        'companyId' => 11,
        'resource' => [
                'entityId' => 11111,
                'typeId' => 'Project'
        ],
        'from' => '2024-01-01',
        'to' => '2024-03-31',
        'assignedByUserId' => 1111,
        'allocatedHours' => 0
    ],
    'newAllocation' => [
        'userId' => 1111,
        'companyId' => 11,
        'resource' => [
                'entityId' => 11111,
                'typeId' => 'Project'
        ],
        'from' => '2024-01-01',
        'to' => '2024-03-31',
        'assignedByUserId' => 1111,
        'allocatedHours' => 10
    ]
  ]),
  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://planner.svc.v2.projectcor.com/allocation/updateAllocation"

	payload := strings.NewReader("{\n  \"oldAllocation\": {\n    \"userId\": 1111,\n    \"companyId\": 11,\n    \"resource\": {\n      \"entityId\": 11111,\n      \"typeId\": \"Project\"\n    },\n    \"from\": \"2024-01-01\",\n    \"to\": \"2024-03-31\",\n    \"assignedByUserId\": 1111,\n    \"allocatedHours\": 0\n  },\n  \"newAllocation\": {\n    \"userId\": 1111,\n    \"companyId\": 11,\n    \"resource\": {\n      \"entityId\": 11111,\n      \"typeId\": \"Project\"\n    },\n    \"from\": \"2024-01-01\",\n    \"to\": \"2024-03-31\",\n    \"assignedByUserId\": 1111,\n    \"allocatedHours\": 10\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))

}

{
  "error": "AllocationNotFoundError",
  "message": "The specified allocation cannot be found"
}