You pay for thinking.
Everything else is free.
Airohead charges per query, in USDG on Robinhood Chain, paid to a treasury and verified server-side before a model is ever called. There is no subscription to buy, no card to enter and no tier to upgrade.
The per-query price has not been set.
So this page does not print one. When the price is fixed, the API publishes it and the app quotes you before anything is charged — you will see the exact figure, in whole cents, attached to the query you are about to send. Until then Airohead will not put a number on a public page that it cannot stand behind.
USDG · Robinhood Chain · chainId 4663
Three rails. Only one of them costs anything.
Reading the market is free and does not need an account. Building on it is free and needs only a wallet signature. Compute is the single metered surface, because compute is the only part with a bill attached.
Market data, regime labels, precision scores and the public signal feed. No wallet, no account, nothing to sign.
- Live prices and 24h moves
- Regime and precision reads
- Public signal feed
Sign in with a wallet and everything you own is yours to use. Creating things costs nothing — creating is not where the compute is.
- Hunts, alerts and channels
- Portfolio and trigger replay
- API keys and MCP access
Anything that runs a model is charged for that one query. Pay in USDG on Robinhood Chain, or top a balance up once and let your agents draw it down.
- Analyst queries
- Agent inference over MCP
- Anything calling a paid vendor
How one paid query actually works.
Five steps, in this order. The order is the point: nothing is computed before the payment is verified, and no transaction pays twice.
The server quotes you
You send the question; the server computes the price in whole cents and hands back a quote. The client never proposes an amount, and a client-supplied price is rejected outright.
You transfer USDG
One ERC-20 transfer of the quoted amount, to the treasury address the quote names, on Robinhood Chain. You sign it in your own wallet — Airohead never holds your keys and never takes custody.
The chain is checked
Before a model is called, the server reads the transaction back: right token, right recipient, sufficient value, mined recently enough. A transaction hash can be redeemed exactly once.
Then, and only then, it runs
Verification precedes compute. A failed or unverifiable payment means the query never executed, so there is nothing to refund.
You keep the receipt
Every charge writes a row you can read back — what was asked, what it cost, which transaction paid for it. The ledger is the same one a prepaid balance draws from.
Test mode is free, and says so
The rail ships with test mode on by default, and while it is on queries cost nothing. The terminal reads that flag from the server and shows it before you send, so “free right now” is something you can see rather than something you have to take on trust.
A key-authenticated agent spends from a balance.
An agent calling over MCP or the HTTP API cannot open a wallet and sign a transfer mid-request. So it does not have to.
Top up once, draw it down
You fund a prepaid balance from your own wallet. Your keys spend against it — same server-computed price, same ledger, no signature in the request path.
A cap per key
Each key carries its own spend ceiling. A misbehaving agent burns its cap and stops; it cannot reach the rest of your balance, and it can never mint another key.
Quoted before it runs
No agent tool is charged today, so nothing is drawn down yet. When the rail is live the server computes the price and quotes it before the call runs — the price is never something the client proposes.
Things Airohead will never bill you for.
- A monthly or annual plan — there is not one to buy.
- A seat. Accounts are wallets, and wallets are free.
- A minimum, a commitment, or an overage penalty.
- Reading the market, arming a hunt, or receiving an alert.
- A surcharge for using an agent instead of the dashboard.
Nothing to sign up for. Connect a wallet and start reading.
Stop asking questions and you stop paying, that day. There is no plan underneath to cancel.