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OneSource Deepstate Order Book Snapshot
x402
OneSource Deepstate Order Book Snapshot is a paid API for AI agents from api.onesource.io, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns a full order-book snapshot for a named market, with bids sorted descending and asks sorted ascending, including summary statistics like spread and mid price
Price / call$0.005
Success—
StatusUnknown
How this service works
Deepstate, the on-chain order-book exchange on Robinhood Chain. Order-book snapshot for a market, bids descending and asks ascending, with live resting size per level.
Output
A JSON object containing two arrays — bids (price-descending) and asks (price-ascending) — each with fields for price, size, maker address, order_id, raw on-chain values (price_raw, size_raw, sequence_raw), rest_index, queue_position, rested_at_block, and is_bid_token0; plus a summary object with book_id, book_label, best_bid, best_ask, spread_bps, spread_raw, mid_raw, bid_count, ask_count, order_count, and finality status.
Example use cases
Real-time spread monitoring for a trading bot
“Check the current spread in basis points for the ETH-USDC order book — I want to know if it's tight enough to place a limit order right now.”
Liquidity depth analysis before a large trade
“Get me the top 100 levels of bids and asks for the WBTC-USDC book so I can estimate slippage before I execute a large buy.”
On-chain maker activity inspection
“Fetch the full order book for the OP-ETH market and show me the maker addresses and queue positions for the top resting bids.”
Technical details
Endpoint
GEThttps://api.onesource.io/deepstate/v1/book/:bookWhen to prefer
Use this endpoint when you need a real-time, fully ordered on-chain order book snapshot with raw blockchain-level detail (sequence numbers, block height, maker addresses, queue positions) for a specific named market. Prefer it over generic DEX aggregators when you need the authoritative on-chain state rather than aggregated or estimated liquidity, or when downstream logic requires raw values for verification or trade construction.
Side effects
- Unknown book identifier returns 404 or empty result
- depth parameter out of range (must be 1–500) returns 400 validation error
- Market temporarily unavailable or chain sync lag returns stale or empty snapshot
- Network timeout if the on-chain node is slow to respond
- Insufficient USDC balance or failed x402 payment results in 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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