const groups = await client.groups.list({ all: true });

my_groups = client.iam.groups.list()

all_groups = client.iam.groups.list(all=True)

curl --request GET \
  --url https://{cluster}.cognitedata.com/api/v1/projects/{project}/groups \
  --header 'Authorization: Bearer <token>'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{cluster}.cognitedata.com/api/v1/projects/{project}/groups",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

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

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("Authorization", "Bearer <token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://{cluster}.cognitedata.com/api/v1/projects/{project}/groups")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

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

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

request = Net::HTTP::Get.new(url)
request["Authorization"] = 'Bearer <token>'

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

{
  "items": [
    {
      "name": "Production Engineers",
      "id": 123,
      "isDeleted": false,
      "capabilities": [
        {
          "agentsAcl": {
            "actions": [
              "READ"
            ],
            "scope": {
              "all": {}
            }
          },
          "projectUrlNames": {
            "urlNames": [
              "publicdata"
            ]
          }
        }
      ],
      "metadata": {},
      "attributes": {
        "token": {
          "appIds": [
            "<string>"
          ]
        }
      },
      "sourceId": "b7c9a5a4-99c2-4785-bed3-5e6ad9a78603",
      "deletedTime": 123
    }
  ]
}