Docs / Fees & token
Fees

Lethe charges one fee, on sends. It pays the relayer, which covers the gas for your send so your wallet never has to.
| Action | Fee | Paid from |
|---|---|---|
| Add funds | Network gas only | Your wallet |
| Private send | 0.25% + 0.0005 HYPE | Private balance |
| Delayed send | 0.25% + 0.0005 HYPE | Private balance |
| Batch payout | 0.25% + 0.0005 HYPE each | Private balance |
| Private swap | 0.25% + 0.0005 HYPE, plus the DEX's own fee | Private balance |
| Merge notes | 0.0005 HYPE | Private balance |
Example
Sending 10 HYPE costs 0.025 + 0.0005 = 0.0255 HYPE. The recipient gets exactly 10 HYPE, and 10.0255 HYPE leaves your private balance.
The fee is locked in
The fee is part of the proof, so the relayer can't take more than you agreed to. You can see it before every send, and the API's /api/quote returns it for any amount.
Swap and perps fees go to buyback & burn
100% of the fee on private swaps and on funding a private perps wallet is committed to buying $LETHE and sending it to the dead address, 0x…dEaD, where it can never move again. Fees on ordinary sends still pay the relayer.
Each swap and perps send is logged with only its time and fee, never the wallet it funded, so the buyback doesn't link you to your trading wallet. The running total and the burn address's $LETHE balance are live on Analytics and at /api/buyback.
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