The level-2 order book for one perpetual-futures market
The level-2 order book for one perpetual-futures market: aggregated bid and ask price levels, each with size and the number of resting orders, as of the book timestamp. Pass the coin in the path (e.g. BTC). Use to gauge liquidity, spread, and depth. Free on-chain DEX data (venue: Hyperliquid), no key. From x402stock, a market & economic data API (x402, USDC).
Answeringour last check, 2026-09-24
1 of 1checks answered this week
451 msmedian answer time
$0.01listed price per call
$0.01price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
GET https://agents.x402stock.xyz/api/v1/perps/orderbook/:coin
| Category | Market data |
|---|---|
| Provider host | agents.x402stock.xyz |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 2 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.01 | 451 ms |
Example input (from the provider)
{
"method": "GET",
"pathParams": {
"coin": "BTC"
},
"queryParams": {},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET",
"HEAD",
"DELETE"
],
"type": "string"
},
"pathParams": {
"coin": {
"type": "string"
},
"type": "object"
},
"queryParams": {
"properties": {},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}