const assets = [
  { name: 'First asset' },
  { name: 'Second asset', description: 'Another asset', externalId: 'anotherAsset' },
  { name: 'Child asset', parentExternalId: 'anotherAsset'},
];
const createdAssets = await client.assets.create(assets);

from cognite.client.data_classes import AssetWrite
assets = [AssetWrite(name="asset1"), AssetWrite(name="asset2")]
res = client.assets.create(assets)

from cognite.client.data_classes import AssetWrite, Label
asset = AssetWrite(name="my_pump", labels=[Label(external_id="PUMP")])
res = client.assets.create(asset)

List<Asset> upsertAssetsList = List.of(Asset.newBuilder()
    .setExternalId("10")
    .setName("generated_asset_")
    .setDescription("generated_asset_description_")
    .setSource("sdk-data-generator")
    .putMetadata("type", "sdk-data-generator")
    .build()); 
List<Asset> upsertedAssets = client.assets().upsert(upsertAssetsList);

curl --request POST \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/assets \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "items": [
    {
      "name": "<string>",
      "externalId": "my.known.id",
      "parentId": 4503599627370496,
      "parentExternalId": "my.known.id",
      "description": "<string>",
      "dataSetId": 4503599627370496,
      "metadata": {},
      "source": "<string>",
      "labels": [
        {
          "externalId": "my.known.id"
        }
      ]
    }
  ]
}
'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{cluster}.cognitedata.com/api/v1/projects/{project}/assets",
  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' => [
        [
                'name' => '<string>',
                'externalId' => 'my.known.id',
                'parentId' => 4503599627370496,
                'parentExternalId' => 'my.known.id',
                'description' => '<string>',
                'dataSetId' => 4503599627370496,
                'metadata' => [
                                
                ],
                'source' => '<string>',
                'labels' => [
                                [
                                                                'externalId' => 'my.known.id'
                                ]
                ]
        ]
    ]
  ]),
  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}/assets"

	payload := strings.NewReader("{\n  \"items\": [\n    {\n      \"name\": \"<string>\",\n      \"externalId\": \"my.known.id\",\n      \"parentId\": 4503599627370496,\n      \"parentExternalId\": \"my.known.id\",\n      \"description\": \"<string>\",\n      \"dataSetId\": 4503599627370496,\n      \"metadata\": {},\n      \"source\": \"<string>\",\n      \"labels\": [\n        {\n          \"externalId\": \"my.known.id\"\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))

}

require 'uri'
require 'net/http'

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

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      \"name\": \"<string>\",\n      \"externalId\": \"my.known.id\",\n      \"parentId\": 4503599627370496,\n      \"parentExternalId\": \"my.known.id\",\n      \"description\": \"<string>\",\n      \"dataSetId\": 4503599627370496,\n      \"metadata\": {},\n      \"source\": \"<string>\",\n      \"labels\": [\n        {\n          \"externalId\": \"my.known.id\"\n        }\n      ]\n    }\n  ]\n}"

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

{
  "items": [
    {
      "createdTime": 1730204346000,
      "lastUpdatedTime": 1730204346000,
      "rootId": 4503599627370496,
      "name": "<string>",
      "id": 4503599627370496,
      "aggregates": {
        "childCount": 1,
        "depth": 1,
        "path": [
          {
            "id": 4503599627370496
          }
        ]
      },
      "parentId": 4503599627370496,
      "parentExternalId": "my.known.id",
      "externalId": "my.known.id",
      "description": "<string>",
      "dataSetId": 4503599627370496,
      "metadata": {},
      "source": "<string>",
      "labels": [
        {
          "externalId": "my.known.id"
        }
      ],
      "geoLocation": {
        "type": "Feature",
        "geometry": {
          "type": "Point",
          "coordinates": [
            123
          ]
        },
        "properties": {}
      }
    }
  ]
}

{
  "error": {
    "code": 400,
    "message": "`null` values aren't allowed."
  }
}

{
  "error": {
    "code": 429,
    "message": "Project exceeded maximum number='50' of concurrent requests. Please try again later."
  }
}