$0.03
per call · USD Coin on Base
Summarized depth, spread, and 24h volume profile for one market — Execution-quality summary per venue: depth within 1c/5c of the touch, spread in cents, and an hourly 24h volume profile. Pass notional_usd for a slippage estimate. Derived analytics only — raw order books are never mirrored.
Endpoint
GET https://x402-factory.com/v1/liquidity/:slug2
Calls / 30d
1
Unique payers / 30d
Sep 1
Last called
exact
Payment scheme
Call this service
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";
const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);
const res = await fetchWithPay("https://x402-factory.com/v1/liquidity/:slug", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://x402-factory.com/v1/liquidity/:slug?notional_usd=5000" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"data": {
"per_venue": [
{
"depth_within_1c_usd": 43511.16,
"depth_within_5c_usd": 220022.94,
"est_slippage_c": 0.11,
"spread_c": 1,
"venue": "kalshi"
},
{
"depth_within_1c_usd": 52295.06,
"depth_within_5c_usd": 175633.51,
"est_slippage_c": 0.14,
"spread_c": 1,
"venue": "polymarket"
}
],
"volume_24h_usd": 591880.68,
"volume_profile_24h": [
{
"hour": 13,
"volume_usd": 22654.53
},
{
"hour": 14,
"volume_usd": 28433.7
},
{
"hour": 15,
"volume_usd": 23554.93
},
{
"hour": 16,
"volume_usd": 24849.59
},
{
"hour": 17,
"volume_usd": 27004.33
},
{
"hour": 18,
"volume_usd": 24873.7
},
{
"hour": 19,
"volume_usd": 20998.15
},
{
"hour": 20,
"volume_usd": 22003.64
},
{
"hour": 21,
"volume_usd": 31425.32
},
{
"hour": 22,
"volume_usd": 24433.02
},
{
"hour": 23,
"volume_usd": 28671.91
},
{
"hour": 0,
"volume_usd": 21033.08
},
{
"hour": 1,
"volume_usd": 19440.17
},
{
"hour": 2,
"volume_usd": 27355.65
},
{
"hour": 3,
"volume_usd": 33541.3
},
{
"hour": 4,
"volume_usd": 19872.25
},
{
"hour": 5,
"volume_usd": 20189.92
},
{
"hour": 6,
"volume_usd": 28022.61
},
{
"hour": 7,
"volume_usd": 25217.71
},
{
"hour": 8,
"volume_usd": 20702.89
},
{
"hour": 9,
"volume_usd": 26834.01
},
{
"hour": 10,
"volume_usd": 22330.71
},
{
"hour": 11,
"volume_usd": 22008.88
},
{
"hour": 12,
"volume_usd": 19213.25
}
]
},
"meta": {
"data_mode": "live",
"docs": "https://x402-factory.com/docs/probability.liquidity",
"endpoint": "/v1/liquidity/{slug}",
"freshness": "realtime",
"generated_at": "2026-09-01T09:36:55.073Z",
"request_id": "req_00000000",
"sources": [
"kalshi",
"polymarket"
],
"version": "1.0.0"
}
}Payment details
0xcc42ed39a06b6cf3f484307ef76b88bf56fb305fUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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