Create a new transaction

Creates a new transaction. This endpoint can be used for regular Transfers, Contract Calls, Raw & Typed message signing.

• For Transfers, the required parameters are: assetId, source, destination and amount.

• For Contract Calls, the required parameters are: operation.CONTRACT_CALL, assetId (Base Asset), source, destination, amount (usually 0) and extraParameters object with contractCallData string.

• For Solana Program Calls, the required parameters are: operation.PROGRAM_CALL, assetId (SOL/SOL_TEST), source, and extraParameters object with programCallData key while the value is a Base64 encoded unsigned serialized Solana transaction object.

• Typed Message Signing is supported for the following asset IDs: 'ETH', 'BTC' and 'TRX'. Typed Message Signing Guide.

• To create ZEC transaction, please call Get unspent UTXO Input endpoint to get the amount and use it as an input under networkfee on this endpoint. Please use this formula (0.0001 + 0.00005*N) where N is the number of inputs to calculate the fee needed and use it as an input under networkFee field

• When using maxFee and a boost is needed, the user should set a custom gasPrice to force the override. Learn more about Fireblocks Transactions management in the following guide.
  Endpoint Permission: Admin, Signer, Editor.