get https://api.fireblocks.io/v1/vault/accounts///max_spendable_amount
Get the maximum amount of a particular asset that can be spent in a single transaction from a specified vault account (UTXO assets only, with a limitation on number of inputs embedded). Send several transactions if you want to spend more than the maximum spendable amount.
This endpoint is relevant only for UTXO assets. In UTXO-based assets, each transaction is composed of multiple inputs and there is a limitation on the number of inputs you can embed in a single transaction, this call will allow you to retrieve the maximum amount in a single transaction from a specific vault account. In cases where you wish to spend more than the maximum spendable amount, please send several transactions.