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Polymarket CLOB Order Book
x402
Polymarket CLOB Order Book is a paid API for AI agents from proxy.suverse.io, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Returns the live central limit order book (bids and asks with price and size) for a specific Polymarket outcome token
Price / call$0.1
Success—
StatusUnknown
How this service works
Live CLOB order book for a Polymarket outcome token: bids and asks with price + size. The real market depth behind the odds. Free Polymarket CLOB data. token_id from polymarket-market-detail.
Output
A live snapshot of the order book for the specified Polymarket outcome token, including a list of bid price/size pairs and ask price/size pairs representing real resting orders in the CLOB, reflecting current market depth and liquidity.
Example use cases
Pre-trade liquidity check
“Before I buy a position on Polymarket, pull up the current order book for token 71321045679652173895 and tell me the best ask price and how much liquidity is available within 2 cents of it.”
Spread monitoring for arbitrage
“Fetch the live CLOB order book for this Polymarket outcome token and tell me what the current bid-ask spread is — I'm looking for arbitrage opportunities across prediction markets.”
Market sentiment gauge from depth
“Get the full order book depth for this Polymarket token and tell me whether bids or asks are thicker — I want to know if the crowd is leaning yes or no on this outcome.”
Technical details
Endpoint
POSThttps://proxy.suverse.io/v1/data/polymarket-orderbookWhen to prefer
Use this endpoint when you need real-time, granular order book data (individual price levels and sizes) for a specific Polymarket outcome token — not just the aggregate odds. Prefer this over Polymarket market detail endpoints when you need to assess liquidity depth, estimate slippage, monitor spreads, or detect order book imbalances. Requires a token_id obtained from the polymarket-market-detail endpoint.
Side effects
- Invalid or unknown token_id returns an error or empty book
- Token_id not obtained from polymarket-market-detail endpoint causes lookup failure
- Payment failure (x402) if USDC balance is insufficient
- Network or proxy timeout if Polymarket CLOB is temporarily unavailable
- Market may be resolved/closed and no longer have an active order book
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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