curl --request GET \
  --url https://merchant-demo.zahlo.eu/api/v1/balance \
  --header 'x-api-key: <api-key>'

import requests

url = "https://merchant-demo.zahlo.eu/api/v1/balance"

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

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

print(response.text)

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

fetch('https://merchant-demo.zahlo.eu/api/v1/balance', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "available": {
    "amountMinor": 0,
    "currency": "EUR"
  },
  "pending": {
    "amountMinor": 4990,
    "currency": "EUR"
  }
}

{
  "error": "invalid_request",
  "message": "amountMinor must be positive",
  "requestId": "req_demo_1001"
}

{
  "error": "invalid_request",
  "message": "amountMinor must be positive",
  "requestId": "req_demo_1001"
}

{
  "error": "invalid_request",
  "message": "amountMinor must be positive",
  "requestId": "req_demo_1001"
}

{
  "error": "invalid_request",
  "message": "amountMinor must be positive",
  "requestId": "req_demo_1001"
}