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Renamed from check_balance in July 2026; the old name keeps working until August 20, 2026.
Checks the available balance for one card. Prefer this over get_card_details when you only need to verify a card’s funds; it is faster and never exposes card credentials. For the user’s overall cash balance, use get_balance instead.

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Parameters

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Returns

A short balance summary plus balanceCents and balanceDollars. A cached flag tells you when the number came from a short-lived cache rather than a live fetch.

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Example