Response fields
currencyobjectThe currency of the balance. This applies to both cash and buying_power.
cashnumber or nullThe amount of available cash in the account denominated in the currency of the currency field. This value can be negative in a margin account with a margin balance. Money market funds will be included in this field, and also returned in positions endpoints with cash_equivalent = true
buying_powernumber or nullBuying power only applies to margin accounts. For non-margin accounts, buying power should be the same as cash. Please note that this field is not always available for all brokerages.
1[2{3"currency": {4"id": "87b24961-b51e-4db8-9226-f198f6518a89",5"code": "USD",6"name": "US Dollar"7},8"cash": 300.71,9"buying_power": 410.7110}11]