curl --location --request GET '/baseurl/api/v1/cards//balance' \
--header 'X-API-Key;' \
--header 'X-Signature;' \
--header 'X-Timestamp;' \
--header 'X-Nonce;' \
--header 'X-Body-Hash;'{
"cardId": "ef0c9071-f1d5-4782-996c-db9b45c47a29",
"availableBalance": 7500.5,
"currency": "USD"
}