Fees

Every fee you can pay when you use Palliora DeFi, and who charges it. Values were read from the networks and from the relayer on 2026-10-16. Addresses are in Network reference.

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Summary

Fee	Charged by	Value
Pool withdrawal fee	The pool	0 bps on Ethereum and HyperEVM
Pool deposit and transfer fee	The pool	None
Relay fee on Ethereum	The Paymaster	The gas cost of your transaction, in a token you choose. No percentage on top.
Relay fee on HyperEVM	The relayer	A flat 0.05 USDC
Return gas for a Private Sub-account	The GasStation	A flat 0.05 USDC for 0.0005 HYPE
First transfer out of Hyperliquid	Hyperliquid	About 1 USDC, once for each Sub-account
Protocol fees	The external protocol	Their own. Palliora DeFi adds none.
Network gas	The network	Passed through

Every percentage fee that Palliora DeFi sets is 0 bps today. The flat amounts above are not percentages. They pay for gas and for the service that submits your transaction.

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Pool fees

The pool has one fee setting, the withdrawal fee, in basis points. Read withdrawFeeBps() on the pool. It reads 0 on both mainnet pools.

A deposit carries no fee at all. The pool refuses a deposit that states one. A transfer inside the pool has no pool fee. You pay only the relay fee if someone else submits it.

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Relay fees

A relayed transaction hides your wallet as the sender. Someone else submits it and pays the gas, and you repay them from your shielded balance. The fee token and amount become public. See Relaying and gas.

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Ethereum

The Paymaster pays the gas in ETH. You repay it in a token from your notes.

Item	Value
Tokens you can pay with	WETH, or USDC
How the amount is set	The gas cost of the user operation, converted at the price feed
Added percentage	None in the conversion
Price feed staleness limit	24 hours. See Status and limits.

The conversion code takes the gas cost in ETH and the price of ETH in the fee token. It adds nothing on top. WETH needs no feed. USDC uses the ETH price feed. The Paymaster refuses a fee below the converted cost.

The SDK helper quoteUserOpGasCostWithLatestBaseFee quotes the gas price with 50% headroom by default, so the user operation still lands if the base fee rises. You can set a different headroom. The fee you state is the fee you pay. It is not adjusted after the real gas cost is known.

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HyperEVM

A relayer submits the transaction to the pool. The pool pays the relayer from a fee credit that your transaction creates.

Item	Value
Token	USDC
Amount	0.05 USDC for each relayed transaction (50000 in base units)
Added percentage	None

The relayer publishes the amount it accepts at GET /quote. A fee below the quote is refused. Read the quote before you build the transaction, because the fee is part of the proof. See Relayer API.

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Private Sub-account fees

These fees apply on HyperEVM. A Sub-account is a fresh address that trades on Hyperliquid. See Private Sub-accounts.

Step	Fee	Who gets it
Fund the Sub-account	0.05 USDC relay fee, taken from your notes	The relayer
Buy gas to return	0.05 USDC, for 0.0005 HYPE	The GasStation
Return to the pool	0 fee. The return is a deposit, and a deposit carries no fee.	None
First transfer from Hyperliquid to HyperEVM	About 1 USDC	Hyperliquid

The GasStation is a contract that sells a fixed amount of HYPE for a fixed amount of USDC. You sign one gas purchase authorization, and the Sub-account sends the return. Read feeUsdc and dropWei at the relayer’s GET /gas/quote to get the current price and the amount of HYPE.

Hyperliquid charges about 1 USDC the first time a Sub-account moves funds from Hyperliquid back to HyperEVM. It takes the charge from the transfer. Palliora DeFi does not control it and does not receive it.

A new Sub-account that should be able to return therefore needs about 3.05 USDC beyond the margin you trade with. See Status and limits.

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Fees you pay to others

• Trading fees. Hyperliquid charges its own fees on the orders you place with a Sub-account. Palliora DeFi adds no trading fee. See Hyperliquid’s own fee schedule.
• Protocol fees. A swap, a loan, a stake or a vault deposit through an adaptor costs what the external protocol charges. That includes pool fees on Uniswap and any fee of a Morpho vault. These are not Palliora DeFi fees.
• Network gas. You pay gas from your own wallet for a deposit and for a wallet registration. On HyperEVM the relayer can pay the gas for registration. See Status and limits.
• Tree updates. Anyone can submit a commitment tree update. The app does it for you. If you submit it yourself, you pay its gas.

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How these were read

cast call $POOL "withdrawFeeBps()(uint256)" --rpc-url $RPC
curl -s https://defi.palliora.org/relayer-mainnet/quote
curl -s https://defi.palliora.org/relayer-mainnet/gas/quote

Run them again for current values. If an amount here differs from what the relayer returns, the relayer’s answer is the current one.

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Next

• Security and audits
• Relaying and gas