curl --request POST \
  --url https://api-sandbox.synctera.com/v0/cards/transaction_simulations/financial/balance_inquiry \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "account_type": "checking",
  "card_acceptor": {
    "address": "address",
    "city": "city",
    "country": "country",
    "ecommerce_security_level_indicator": "ecommerce_security_level_indicator",
    "mcc": "mcc",
    "name": "name",
    "partial_approval_capable": false,
    "state": "state",
    "zip": "zip"
  },
  "card_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "mid": "<string>",
  "network_fees": [
    {
      "amount": 123,
      "credit_debit": "C",
      "type": "ISSUER_FEE"
    }
  ],
  "pin": "<string>"
}
'

{}