const data = {
  pageNumber: 8,
  fileRef: { externalId: 'def_file_changed' },
  textRegion: { xMin: 0, xMax: 0.1, yMin: 0, yMax: 0.2 },
};
const changes = [
  {
    id: 1,
    update: {
      data: {
        set: data,
      },
    },
  },
];

const updatedResp = await client.annotations.update(changes);

curl --request POST \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/annotations/update \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "id": 4096,
      "update": {
        "data": {
          "set": {
            "assetRef": {
              "externalId": "abc"
            },
            "symbolRegion": {
              "xMin": 0.1,
              "xMax": 0.2,
              "yMin": 0.1,
              "yMax": 0.2
            },
            "textRegion": {
              "xMin": 0.4,
              "xMax": 0.5,
              "yMin": 0.4,
              "yMax": 0.5
            },
            "pageNumber": 43
          }
        }
      }
    }
  ]
}
'

import requests

url = "https://{cluster}.cognitedata.com/api/v1/projects/{project}/annotations/update"

payload = { "items": [
        {
            "id": 4096,
            "update": { "data": { "set": {
                        "assetRef": { "externalId": "abc" },
                        "symbolRegion": {
                            "xMin": 0.1,
                            "xMax": 0.2,
                            "yMin": 0.1,
                            "yMax": 0.2
                        },
                        "textRegion": {
                            "xMin": 0.4,
                            "xMax": 0.5,
                            "yMin": 0.4,
                            "yMax": 0.5
                        },
                        "pageNumber": 43
                    } } }
        }
    ] }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{cluster}.cognitedata.com/api/v1/projects/{project}/annotations/update",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'items' => [
        [
                'id' => 4096,
                'update' => [
                                'data' => [
                                                                'set' => [
                                                                                                                                'assetRef' => [
                                                                                                                                                                                                                                                                'externalId' => 'abc'
                                                                                                                                ],
                                                                                                                                'symbolRegion' => [
                                                                                                                                                                                                                                                                'xMin' => 0.1,
                                                                                                                                                                                                                                                                'xMax' => 0.2,
                                                                                                                                                                                                                                                                'yMin' => 0.1,
                                                                                                                                                                                                                                                                'yMax' => 0.2
                                                                                                                                ],
                                                                                                                                'textRegion' => [
                                                                                                                                                                                                                                                                'xMin' => 0.4,
                                                                                                                                                                                                                                                                'xMax' => 0.5,
                                                                                                                                                                                                                                                                'yMin' => 0.4,
                                                                                                                                                                                                                                                                'yMax' => 0.5
                                                                                                                                ],
                                                                                                                                'pageNumber' => 43
                                                                ]
                                ]
                ]
        ]
    ]
  ]),
  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://{cluster}.cognitedata.com/api/v1/projects/{project}/annotations/update"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"id\": 4096,\n      \"update\": {\n        \"data\": {\n          \"set\": {\n            \"assetRef\": {\n              \"externalId\": \"abc\"\n            },\n            \"symbolRegion\": {\n              \"xMin\": 0.1,\n              \"xMax\": 0.2,\n              \"yMin\": 0.1,\n              \"yMax\": 0.2\n            },\n            \"textRegion\": {\n              \"xMin\": 0.4,\n              \"xMax\": 0.5,\n              \"yMin\": 0.4,\n              \"yMax\": 0.5\n            },\n            \"pageNumber\": 43\n          }\n        }\n      }\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", 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.post("https://{cluster}.cognitedata.com/api/v1/projects/{project}/annotations/update")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"items\": [\n    {\n      \"id\": 4096,\n      \"update\": {\n        \"data\": {\n          \"set\": {\n            \"assetRef\": {\n              \"externalId\": \"abc\"\n            },\n            \"symbolRegion\": {\n              \"xMin\": 0.1,\n              \"xMax\": 0.2,\n              \"yMin\": 0.1,\n              \"yMax\": 0.2\n            },\n            \"textRegion\": {\n              \"xMin\": 0.4,\n              \"xMax\": 0.5,\n              \"yMin\": 0.4,\n              \"yMax\": 0.5\n            },\n            \"pageNumber\": 43\n          }\n        }\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{cluster}.cognitedata.com/api/v1/projects/{project}/annotations/update")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"items\": [\n    {\n      \"id\": 4096,\n      \"update\": {\n        \"data\": {\n          \"set\": {\n            \"assetRef\": {\n              \"externalId\": \"abc\"\n            },\n            \"symbolRegion\": {\n              \"xMin\": 0.1,\n              \"xMax\": 0.2,\n              \"yMin\": 0.1,\n              \"yMax\": 0.2\n            },\n            \"textRegion\": {\n              \"xMin\": 0.4,\n              \"xMax\": 0.5,\n              \"yMin\": 0.4,\n              \"yMax\": 0.5\n            },\n            \"pageNumber\": 43\n          }\n        }\n      }\n    }\n  ]\n}"

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

{
  "items": [
    {
      "id": 4096,
      "createdTime": 1730204346000,
      "lastUpdatedTime": 1730204346000,
      "annotatedResourceType": "file",
      "annotatedResourceId": 1337,
      "annotationType": "pointcloud.BoundingVolume",
      "creatingApp": "cognite-vision",
      "creatingAppVersion": "1.2.1",
      "creatingUser": "john.doe@cognite.com",
      "data": {
        "assetRef": {
          "externalId": "abc"
        }
      },
      "status": "approved"
    }
  ]
}

{
  "error": {
    "code": 401,
    "message": "Could not authenticate.",
    "missing": [
      {}
    ],
    "duplicated": [
      {}
    ]
  }
}