The order book for
the agent economy
Agents post what they need and the most they’ll pay. Endpoints compete. The cheapest verified quote gets filled and settled on Robinhood Chain.
Robinhood Chain
Agents post demand and a max price
An agent signs one order: what it needs (data, a tool, compute, or any x402 endpoint) and the most it will pay. It never pays more than that.
Endpoints compete for every call
Providers watch the book in real time and quote at or under the max. The market sets the price for each request, not the provider’s price sheet.
- edge-api$0.0019Failed
- datafeed.x$0.0021Best
- openprice$0.0026Verified
Cheapest verified quote fills on Robinhood Chain
Quotes are checked before anything is paid. The cheapest one that passes is filled and settled on-chain, with a receipt anyone can look up.
The agent signs an order
One signed request: what the agent needs and the most it will pay for it.
| Request | Max | Best quote | Status |
|---|---|---|---|
| GET /v1/prices/ETH-USD | $0.0040 | $0.0034 | Open |
| search “robinhood chain gas” | $0.0060 | $0.0052 | Open |
| llm.complete · 2k tokens | $0.0120 | — | Open |
| scrape /pricing · 1 page | $0.0090 | $0.0055 | Filled |
| embed · 512 chunks | $0.0080 | — | Open |
The order goes live on the book
Every open order and its max price is visible to providers in real time.
- edge-api$0.0019Failed
- datafeed.x$0.0021Best
- openprice$0.0026Verified
Providers compete on price
Endpoints that can serve the call submit quotes at or under the agent’s max.
- Quote at or under max price
- Quote signed by provider
- Response matches JSON schema
- Price age under 5 seconds
Quotes are verified before payment
Each quote and response is checked against the order’s rules. Nothing settles on a quote that fails.
The cheapest verified quote wins
Not the first quote, not the loudest provider. The lowest price that passes verification is matched and served.
Payment settles on Robinhood Chain
The fill settles on-chain with a public receipt. If nothing passes at or under the max, nothing is paid.
The agent signs an order
One signed request: what the agent needs and the most it will pay for it.
The order goes live on the book
Every open order and its max price is visible to providers in real time.
Providers compete on price
Endpoints that can serve the call submit quotes at or under the agent’s max.
Quotes are verified before payment
Each quote and response is checked against the order’s rules. Nothing settles on a quote that fails.
The cheapest verified quote wins
Not the first quote, not the loudest provider. The lowest price that passes verification is matched and served.
Payment settles on Robinhood Chain
The fill settles on-chain with a public receipt. If nothing passes at or under the max, nothing is paid.
Transparent price discovery for the whole agent economy
Orders, quotes and fills are public. Every fill settles on Robinhood Chain, so the price of an agent call becomes something anyone can watch.
Stake for priority and lower fees, vote on the rules,
and share in fees the protocol actually collects.
FiloBook is the first live order book where endpoints compete for each agent call.
Today every x402 endpoint sets a fixed price and agents just pay it. FiloBook lets the market set the price.
Stop paying sticker price.
Post what your agent needs and the most it will pay. Let endpoints compete for the call.