Mass Payment uses your standard per-coin / per-network withdrawal fee. The fee is charged on top of the amount in your CSV: the recipient receives the full amount you wrote, and your wallet is debited the amount plus the fee.
- UTXO networks with batching — the fee is aggregated per batch and shown on the first row of the batch in transaction history and statements.
- Account-based networks — each row is a separate on-chain transaction and carries its own fee.
- With source-currency conversion — the fee is calculated on the payout currency (e.g. USDT) and the source wallet is debited the converted equivalent.
