curl --request GET \
  --url https://api.hubapi.com/crm/lists/2026-09-beta/{listId} \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.hubapi.com/crm/lists/2026-09-beta/{listId}"

headers = {"Authorization": "Bearer <token>"}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://api.hubapi.com/crm/lists/2026-09-beta/{listId}', 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.hubapi.com/crm/lists/2026-09-beta/{listId}",
  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://api.hubapi.com/crm/lists/2026-09-beta/{listId}"

	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://api.hubapi.com/crm/lists/2026-09-beta/{listId}")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hubapi.com/crm/lists/2026-09-beta/{listId}")

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

{
  "list": {
    "listId": "<string>",
    "listVersion": 123,
    "name": "<string>",
    "objectTypeId": "<string>",
    "processingStatus": "<string>",
    "processingType": "<string>",
    "createdAt": "2023-11-07T05:31:56Z",
    "createdById": "<string>",
    "deletedAt": "2023-11-07T05:31:56Z",
    "filterBranch": {
      "filterBranchOperator": "<string>",
      "filterBranchType": "OR",
      "filterBranches": [
        {
          "filterBranchOperator": "<string>",
          "filterBranchType": "AND",
          "filterBranches": [
            {
              "filterBranchOperator": "<string>",
              "filterBranchType": "NOT_ALL",
              "filterBranches": [
                {
                  "filterBranchOperator": "<string>",
                  "filterBranchType": "NOT_ANY",
                  "filterBranches": [
                    "<unknown>"
                  ],
                  "filters": [
                    "<unknown>"
                  ]
                }
              ],
              "filters": [
                {
                  "filterType": "PROPERTY",
                  "operation": "<unknown>",
                  "property": "<string>"
                }
              ]
            }
          ],
          "filters": [
            {
              "filterType": "PROPERTY",
              "operation": {
                "includeObjectsWithNoValueSet": true,
                "operationType": "BOOL",
                "operator": "<string>",
                "value": true
              },
              "property": "<string>"
            }
          ]
        }
      ],
      "filters": [
        {
          "filterType": "PROPERTY",
          "operation": {
            "includeObjectsWithNoValueSet": true,
            "operationType": "BOOL",
            "operator": "<string>",
            "value": true
          },
          "property": "<string>"
        }
      ]
    },
    "filtersUpdatedAt": "2023-11-07T05:31:56Z",
    "listPermissions": {
      "teamsWithEditAccess": [
        123
      ],
      "usersWithEditAccess": [
        123
      ]
    },
    "membershipSettings": {
      "includeUnassigned": true,
      "membershipTeamId": 123
    },
    "size": 123,
    "updatedAt": "2023-11-07T05:31:56Z",
    "updatedById": "<string>"
  }
}

{
  "message": "Invalid input (details will vary based on the error)",
  "correlationId": "aeb5f871-7f07-4993-9211-075dc63e7cbf",
  "category": "VALIDATION_ERROR",
  "links": {
    "knowledge-base": "https://www.hubspot.com/products/service/knowledge-base"
  }
}