curl --request GET \
  --url https://app.marro.si/api/v1/lead-fields \
  --header 'Authorization: Bearer <token>'

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

fetch('https://app.marro.si/api/v1/lead-fields', 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://app.marro.si/api/v1/lead-fields",
  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;
}

import requests

url = "https://app.marro.si/api/v1/lead-fields"

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

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

print(response.text)

{
  "items": [
    {
      "key": "preferred_time",
      "label": "Preferred time to call",
      "type": "select",
      "section": "Preferences",
      "storage": "custom",
      "options": [
        {
          "value": "morning",
          "label": "Morning"
        },
        {
          "value": "evening",
          "label": "Evening"
        }
      ],
      "requiredOnCreate": false,
      "requiredOnEdit": false,
      "showWhen": null
    }
  ]
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": {}
  }
}