curl --request GET \
  --url https://api-sandbox.vulcanopro.com/api/v1/transfers/cities \
  --header 'X-API-KEY: <api-key>'

const options = {method: 'GET', headers: {'X-API-KEY': '<api-key>'}};

fetch('https://api-sandbox.vulcanopro.com/api/v1/transfers/cities', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api-sandbox.vulcanopro.com/api/v1/transfers/cities"

headers = {"X-API-KEY": "<api-key>"}

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

print(response.text)