curl --request GET \
  --url https://api.hubapi.com/crm/schemas/2027-03-beta/objects/{objectTypeId}/properties \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.hubapi.com/crm/schemas/2027-03-beta/objects/{objectTypeId}/properties"

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/schemas/2027-03-beta/objects/{objectTypeId}/properties', 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/schemas/2027-03-beta/objects/{objectTypeId}/properties",
  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/schemas/2027-03-beta/objects/{objectTypeId}/properties"

	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/schemas/2027-03-beta/objects/{objectTypeId}/properties")
  .header("Authorization", "Bearer <token>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.hubapi.com/crm/schemas/2027-03-beta/objects/{objectTypeId}/properties")

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

{
  "results": [
    {
      "category": "HUBSPOT_DEFINED",
      "fieldType": "BOOLEANCHECKBOX",
      "name": "<string>",
      "type": "BOOL",
      "accessAllowlist": [
        {
          "accessType": "EDIT",
          "entityId": "<string>",
          "entityType": "ADMIN"
        }
      ],
      "archivable": true,
      "archived": true,
      "calculated": true,
      "calculationFormula": "<string>",
      "createdAt": "2023-11-07T05:31:56Z",
      "createdByUserId": "<string>",
      "currencyPropertyName": "<string>",
      "dataEntryInstructions": "<string>",
      "dataSensitivity": "HIGH",
      "dateDisplayFormat": "ABSOLUTE",
      "defaultValue": "<string>",
      "description": "<string>",
      "formField": true,
      "groupName": "<string>",
      "hasUniqueValue": true,
      "hidden": true,
      "label": "<string>",
      "numberDisplayFormat": "CURRENCY",
      "optionColors": [
        {
          "color": "BLACK",
          "optionName": "<string>"
        }
      ],
      "options": [
        {
          "description": "<string>",
          "displayOrder": 123,
          "hidden": true,
          "label": "<string>",
          "value": "<string>"
        }
      ],
      "optionsSource": "CALL_DISPOSITION",
      "readOnlyDefinition": true,
      "readOnlyOptions": true,
      "readOnlyValue": true,
      "rollupConfig": {
        "associatedRecordProperty": "<string>",
        "associatedRecordType": "<string>",
        "associationSpec": {
          "category": "HUBSPOT_DEFINED",
          "typeId": 123
        },
        "rollupType": "AVG",
        "conditionalFormula": "<string>"
      },
      "sensitiveDataCategories": [
        "<string>"
      ],
      "syncConfig": {
        "associatedRecordProperty": "<string>",
        "associatedRecordType": "<string>",
        "associationSpec": {
          "category": "HUBSPOT_DEFINED",
          "typeId": 123
        },
        "syncPreference": "FIRST_CREATED"
      },
      "updatedAt": "2023-11-07T05:31:56Z",
      "updatedByUserId": "<string>",
      "validationRules": [
        {
          "ruleArguments": [
            "<string>"
          ],
          "ruleType": "AFTER_DATETIME_DURATION",
          "shouldApplyNormalization": true
        }
      ]
    }
  ],
  "paging": {
    "next": {
      "after": "<string>",
      "link": "<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"
  }
}