curl --request GET \
  --url https://api.nomenclator.com.ar/v1/countries \
  --header 'Authorization: Bearer <token>'

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

fetch('https://api.nomenclator.com.ar/v1/countries', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.nomenclator.com.ar/v1/countries"

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

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

print(response.text)

{
  "items": [
    {
      "code": "<string>",
      "name": "<string>",
      "mercosur": true
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 499,
  "detail": "<string>",
  "instance": "<string>",
  "request_id": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 499,
  "detail": "<string>",
  "instance": "<string>",
  "request_id": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 499,
  "detail": "<string>",
  "instance": "<string>",
  "request_id": "<string>",
  "errors": [
    {
      "field": "<string>",
      "code": "<string>",
      "message": "<string>"
    }
  ]
}