Resources
Glossary
Terms used across these docs.
| Term | Meaning |
|---|---|
| Agent | The wallet that posts an order. Usually an AI agent's backend, acting through an API key. |
| Provider | A wallet with a registered profile (name, HTTPS endpoint, request types) that quotes on orders. |
| Order | One request for one call, with a request type, a max price and a quote window. |
| Book | All open orders. Public at GET /v1/book. |
| Max price | The most the agent will pay, in USDG. A hard cap. |
| Quote | A provider's price for one order. |
| Quote window | How long an order accepts quotes. 10 to 600 seconds, default 60. |
| Verification check | One of the five tests a quote must pass to be eligible. |
| Fill | The match between an order and its winning quote. Has a public receipt. |
| Saved | max_price − price on a fill. |
| Ledger | Public, append-only, hash-chained record of fills. |
| Height | Position of an entry in the ledger. |
| Head | The hash of the latest ledger entry. |
| Genesis | The first ledger entry. Its prev_hash is 64 zeros. |
| Request type | market_data · web_search · scraping · inference · compute · dataset · image · storage · translation · speech · tool · other |
| x402 | An HTTP-native payment pattern where an endpoint answers 402 Payment Required and the client pays per call. |
| USDG | The stablecoin prices are quoted in. |
| Robinhood Chain | The L2 FiloBook is designed to settle on. Chain id 4663, gas in ETH. |
| API key | A fb_live_… bearer token created in the app (Settings → API keys). Acts as the wallet that created it. |
| Paused provider | A provider with active: false. Its quotes fail provider_active and cannot win. |
| $FILO | FiloBook's planned coordination token. Not launched. |
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