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Manage, test and build on Hyperliquid.

A multisig treasury manager, a faucet for testnet USDC and developer tools for Hyperliquid. Open source.

Multisig

Manage money together on Hyperliquid.

The most seamless way to run a multisig on Hyperliquid. No more passing signatures around by hand: propose, sign and send in one place, with your co-signers live alongside you.

  • Keys stay in your wallets
  • Every signature verified
  • Open source
Create a new treasuryAdd an existing one

Want to try it first? Everything works on testnet too: switch the network at the top of the page.

hltools.tech/multisig
Community treasury
0x7a3d…e019testnet2 of 3 signers
Propose an action
OverviewPending 2Signing log
BalancesLive
Perps account value
48,250.00 USDC
Spot USDC
12,400.00 USDC
Staked
1,500 HYPE
Signers2 of 3 must sign
  • Alice0x1c4f…a902
  • Bob0x8be2…3d71
  • Carol0xd05a…6c18
Pending1 of 2 signed
Pay the meetup venue
4,800USDC
to Harbour Hall 0x4e91…c7d2

Testnet Faucet Miner

How it works

Hyperliquid's testnet faucet gives each account 1,000 USDC, once, and never again. Need more? Mine as much as you like.

$1mainnet USDC~$1,000testnet USDC
  • No daily cap
  • No IP limit
  • Runs by itself

The $1 is Hyperliquid's own fee for activating a new account. hl-tools keeps none of it.

Open the faucet miner

Developer tools

Read-only, no wallet

Debug a Hyperliquid integration.

Paste a tx hash, an address, an error, a signed request or CoreWriter bytes.

It opens the tool that reads it.

Multisig

How multisig works here

A treasury is one Hyperliquid account that several wallets control together. Any action needs the agreed number of them, and no single signer can move funds alone.
Create a new treasuryAdd an existing one

Want to try it first? Everything works on testnet too: switch the network at the top of the page.

The words, explained
  1. 1Propose

    Any signer writes down a payment, a stake or any other action.

  2. 2Sign

    Each co-signer approves it in their own wallet. Signing alone sends nothing.

  3. 3Send

    Once enough have signed, the finaliser sends it to Hyperliquid. Done.

What a treasury can do

  • Send USDC
  • Send a spot token
  • Perps ↔ spot
  • Withdraw to Arbitrum
  • Stake HYPE
  • Move to another validator
  • Return to spot
  • Deposit in a vault
  • Withdraw from a vault
  • Approve an API wallet
  • Remove an API wallet
  • Switch account mode
  • Change signers
  • Any other action as JSON
  • TradingComing soon

Why teams and friends use it

  • Work together, liveProposals and signatures appear for every signer as they happen, with one “Needs you” list across all your treasuries.
  • Send in one visitThe finaliser adds the last signature and sends it. Nobody has to come back to finish.
  • Staking and vaults in one moveAsk for the end result. The form works out the steps, and everyone signs them together.
  • Nothing slips throughA signing log for every proposal and Hyperliquid's record of the treasury beside it, both ready as CSV.
  • No account neededSign in with your wallet to work live, or pass a proposal on as a link or a file.
  • Open sourceEvery line is public. Read it, run it yourself, or check it before you trust it with money. See it on GitHub

Testnet Faucet Miner

More testnet USDC than one drip

The testnet faucet stops at 1,000 USDC per account, for good. The miner gets you as much as your tests need: choose an amount, press start, and it does the rest.
Open the faucet minerHow it works, step by step

Needs mainnet USDC in your Hyperliquid account to start.

Each $1 of mainnet USDC brings about 1,000 testnet USDC.
$5
You get
~5,000testnet USDC
5 fresh wallets, one after another, all automatic.
You put in
$6
Back to you at the end
~$1
Cost in all
~$5
Your $1 hops from one fresh wallet to the next. Each one claims its faucet drip and passes it on to you; the last one sends the $1 back.
  • No limits to wait outNo daily cap, no IP limit, no queue to wait in. Need more tomorrow, or in five minutes? Run it again.
  • A few clicks, then hands offConnect your wallet, choose the amount, approve once. A short run is done in about 30 seconds.
  • The $1 is Hyperliquid'sEvery new account costs $1 of mainnet USDC to activate. That is how Hyperliquid works, and none of it goes to hl-tools.

Developer tools

Start from the error you see

Eight read-only tools on one protocol core. None of them signs or sends anything.
Look up any treasury's signers and balancesEvery rule change, dated