Agent system

The Hyperliquid agent system, explained

Automated trading normally requires giving someone control of your money. Hyperliquid's agent system removes that requirement: you can authorise a system to trade for you while keeping every withdrawal path exclusively under your own key.

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In short

A Hyperliquid agent is an approved signer that can place and manage orders on your account but cannot withdraw or transfer funds. You approve it with a signature from your own wallet, it operates within trade-only scope, and you can revoke it on-chain at any time. HyperMirror runs entirely inside this model — it never holds, pools or moves your capital.

Custody is a permission problem, not a trust problem

Most automated trading products solve access by taking custody: you deposit into their account, they trade, and you rely on their solvency and honesty to get your money back. Every failure in that model has the same shape — the funds were somewhere you could not reach.

Hyperliquid separates the right to trade from the right to move funds at the protocol level. That turns a trust question into a scope question, and scope is verifiable on-chain rather than promised in a terms document.

What the approval actually authorises

The agent approval is a signed authorisation naming a signer that may submit order actions for your account. It is bounded by construction: the actions it can take are trading actions.

Can place, modify and cancel orders, and manage positions across your sub-accounts.
Cannot withdraw, cannot transfer to another address, cannot change your account's ownership.
Is revocable from your wallet at any time, without HyperMirror's cooperation.
Is separate from the builder-fee approval, which sets a maximum fee rate and nothing else.

Two approvals, two different scopes

Onboarding asks for two signatures and they do unrelated things. The agent approval grants trading permission. The builder-fee approval sets a ceiling on the 0.1% fee charged on mirrored volume through Hyperliquid's native builder mechanism.

Neither is a transfer. Deposits are made by you, directly on Hyperliquid, into your own account — there is no platform address in the flow at all.

What non-custodial does not protect you from

Non-custodial architecture removes counterparty custody risk. It does not remove market risk, execution risk, smart-contract risk, or the consequences of a strategy losing money. An agent with trade-only scope can still open positions that lose, and leveraged perpetual positions can be liquidated.

Past performance is not indicative of future results. Perpetual futures are leveraged instruments and carry a substantial risk of loss, including the loss of your entire position.

Comparison

Basic copy tools vs HyperMirror

The differences that change your risk profile, not the feature-list ones.

Dimension	Basic copy tools	HyperMirror
Where funds sit	In the platform's account or a pooled treasury.	In your own Hyperliquid account and sub-accounts.
Withdrawal rights	Held by the platform; you request, they process.	Only your wallet can sign a withdrawal.
How access is granted	Deposit, or an API key with unclear scope.	A native trade-only agent approval, revocable on-chain.
Exit path	Depends on the platform being operational and solvent.	Revoke the agent; your positions and funds are already yours.

In this cluster

Agent system deep dives

Trade-only permissions, approval scope, revocation and the difference between authorising execution and surrendering custody.

Agent permissions and their limitsA Hyperliquid agent approval authorises order actions — placing, modifying, cancelling and managing positions. It cannot sign withdrawals, transfers t…Revoking agent accessYou revoke by de-authorising the agent from the wallet that approved it. Mirroring stops immediately because new orders can no longer be signed. Open …Custodial vs non-custodial copy tradingCustodial systems hold your deposit and can withdraw it; your exposure includes the operator's solvency and conduct. Non-custodial systems like HyperM…

Questions

Frequently asked

Can the agent withdraw my funds?

No. Withdrawals and transfers remain exclusively signable by your own wallet. The agent's scope is trading actions only.

What happens if HyperMirror goes offline?

Your funds are unaffected because they were never held. Mirroring stops, and your positions remain yours to manage or close.

Is an agent the same as an API key?

It is closer to a scoped, on-chain-verifiable API key. The difference is that the scope is enforced by Hyperliquid rather than by the platform holding the key.

Can I revoke without contacting support?

Yes. Revocation is an on-chain action from your own wallet and needs nobody's approval.

Keep reading

Permissions and limitsThe exact boundary of what an agent can sign.Revoking accessHow to withdraw permission and what happens next.Custodial vs non-custodialWhere counterparty risk actually lives.DocumentationScoring, allocation, isolation and replacement mechanics.

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