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SperaxOS Binance Order Book API
x402
SperaxOS Binance Order Book API is a paid API for AI agents from chat.sperax.io, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-13).
Fetches the current bid/ask order book for a Binance trading pair, returning price levels on both sides of the market.
Price / call$0.001
Success—
StatusUnknown
How this service works
AI-powered DeFi intelligence APIs payable via the x402 HTTP payment protocol. No API key required — pay per request with USDC on Base. Identity-only (SIWX) endpoints are free for wallets with an agentcash identity.
Output
Returns a structured order book with two sides: bids (buy orders) and asks (sell orders), each as a list of [price, quantity] pairs sorted by price priority, up to the requested number of levels (1–100).
Example use cases
Pre-trade liquidity check
“Before I place a large ETH buy, can you show me the top 30 bid and ask levels on Binance for ETH/USDT so I can see how much slippage I might face?”
Spot market depth monitoring
“Keep an eye on the BTC/USDT order book on Binance and show me the top 20 price levels — I want to see if there are any big buy or sell walls forming.”
Altcoin spread analysis
“Can you fetch the order book for SOL on Binance — just the top 10 levels per side — so I can check how tight the spread is right now?”
Technical details
Endpoint
POSThttps://chat.sperax.io/api/x402/tools/binance-market/getOrderBook?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need real-time Binance order book depth for spot trading pairs and want to pay per-request in USDC without managing API keys. Ideal for agents doing pre-trade analysis, liquidity checks, or spread monitoring on Binance markets. Prefer this over generic market data APIs when Binance-specific depth data is required and x402 micropayment billing is acceptable.
Side effects
- Invalid or unrecognized symbol returns an error — ensure the trading pair exists on Binance
- Limit out of range (below 1 or above 100) may result in a validation error or default behavior
- Payment failure via x402 protocol results in a 402 response and no data returned
- Network or exchange downtime may cause timeouts or empty responses
- Symbol normalization (e.g. bare 'BTC') may fail if the assumed USDT pair is not active
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | number | Number of price levels per side (1–100). |
| symbol | string | Trading pair in any common form: "BTCUSDT", "BTC/USDT" or a bare "BTC" (a USDT quote is assumed). |
Tags
x402
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