curl --request POST \
  --url https://api.finup.io/backend/accounts \
  --header 'x-api-key: <api-key>'

const options = {method: 'POST', headers: {'x-api-key': '<api-key>'}};

fetch('https://api.finup.io/backend/accounts', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.finup.io/backend/accounts"

headers = {"x-api-key": "<api-key>"}

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

print(response.text)

{
  "result": {
    "id": "67fc3d0a766d7a2c1fafefb8",
    "status": "allowed"
  }
}