Stock brains are live on Robinhood Chain. Read any stock token with one API call →
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Brain pricing: free to read, priced on chain to rent

Readouts cost nothing. Deploying a basket brain costs only the network gas. Renting one costs what its creator sets per day, paid in ETH through the BrainStudio contract.

Brain API
Freeforever

Every stock brain and any basket brain, over plain HTTP.

  • Every stock token with live pools on Robinhood Chain
  • Basket brains of up to 8 legs from the same block
  • No key, no signup, CORS open
  • A twelve second window, the block on every answer
  • The rule behind every read, in the response
API Reference
Basket Brains
Gasto deploy

Publish a weighted basket to the BrainStudio contract.

  • 1 to 8 stock tokens, weights in basis points
  • Free to rent, or a daily price you set in ETH
  • Change the price or retire the brain any time
  • Withdraw what you earn whenever you like
  • Cost right now: reading gas
Deploy a Brain
Rentals
Creatorsets the daily price

Rent any basket brain from 1 to 365 days.

  • Paid in ETH, exactly the price times the days
  • A new rental extends the one you hold
  • 95% to the creator, 5% to the BrainStocks treasury
  • Recorded on chain against your wallet
  • Gas right now: reading gas
Browse Rentals

Brain rentals on chain

Read from the BrainStudio contract on Robinhood Chain. Prices are per day, set by each brain's creator.

BrainBasketPrice per dayRentersCreator
Reading BrainStudio…

Gas and fees right now

Gas units measured on a local rehearsal of the contract (Robinhood Chain adds a small L1 data charge); prices from the latest block (gas …, ETH …). Your wallet shows the exact figure before you sign.

ActionGas unitsETHUSD
Reading gas…
The protocol fee on rentals is read from the contract (5%). Readouts and deploys carry no protocol fee.