curl --request GET \
  --url https://staging-vouchers.ventogram.com/api/v1/merchants \
  --header 'X-Api-Key: <api-key>' \
  --header 'X-Api-User: <api-key>'

{
  "success": true,
  "message": "<string>",
  "data": {
    "email": "<string>",
    "username": "<string>",
    "expires": "2023-10-03T09:21:05.197Z",
    "logo": "https://www.example.com/favicon",
    "creditCurrency": "NGN"
  }
}