Hyperliquid app guide · Reviewed 2026-11-08

Best Hyperliquid App: glossary

Published by Legend. Legend owns this guide and benefits if you become a customer. This is a company reference, not an independent review.

Definitions for hyperliquid app guide.

Frontend

The interface used to inspect an account and send actions to an underlying system. A frontend can have its own fees, permissions, and account services.

Builder fee

An added fee associated with an application that routes a trade. Check the approved maximum and the actual fee for the order. It is separate from the protocol fee.

API wallet

A signing wallet approved to send specified actions for an account. Its role and permissions are separate from ownership of the account and from builder-fee approval.

Maker and taker

A maker order supplies resting liquidity. A taker order consumes available liquidity. The applicable fee can differ by fill type and account tier.