Polymarket signal plus fields the free listing does not have: 1h and 6h probability deltas
Polymarket signal plus fields the free listing does not have: 1h and 6h probability deltas, 24h realized volatility, and whale flow from the trade tape (net YES notional, largest print, whale count, flow label). Plus prices, bid/ask, spread, 24h change, momentum, volume, liquidity. MUST be invoked when an agent needs where a market is MOVING, not just where it is. Do NOT use for spot prices or order execution. Settles $0.010 USDC on Base; no charge on failure; receipts at /api/ledger.
10000 (raw units)
price
6
calls / 30d
2
unique payers
2026-09-18
updated
Provider
enclave402.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xbeF3e7CFd486C14dD8c3aA5911134bF361B973C5",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "10000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"limit": 1
},
"type": "http"
},
"output": {
"example": {
"asOf": "2026-01-01T00:00:00.000Z",
"markets": [
{
"bestAsk": 0.51,
"bestBid": 0.49,
"conditionId": null,
"derived": {
"errors": [],
"historySamples": 145,
"priceDelta1h": 0,
"priceDelta6h": 0.01,
"realizedVol24h": 0.012,
"whaleFlow": {
"buyYesUsdc": 0,
"flow": "NO_TRADES",
"largestTradeUsdc": 0,
"netYesUsdc": 0,
"sellYesUsdc": 0,
"trades": 0,
"whaleThresholdUsdc": 1000,
"whaleTrades": 0,
"windowSec": 21600
}
},
"endDate": null,
"id": "0",
"impliedProbability": 0.5,
"liquidity": 0,
"momentum": "FLAT",
"oneDayPriceChange": 0,
"outcomePrices": [
0.5,
0.5
],
"outcomes": [
"Yes",
"No"
],
"question": "Sample question?",
"slug": "sample-market",
"spread": 0.02,
"volume24hr": 0
}
],
"query": {
"orderBy": "volume24hr",
"top": 1
},
"settled": true,
"source": "polymarket-gamma+clob+trades",
"ts": 1767225600000
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"properties": {
"limit": {
"default": 5,
"description": "Number of top markets to return when slug is omitted.",
"maximum": 10,
"minimum": 1,
"type": "integer"
},
"slug": {
"description": "Optional Polymarket market slug for one specific market. Omit to receive the top markets by 24h volume.",
"examples": [
"will-there-be-no-change-in-fed-interest-rates-after-the-october-2026-meeting-20260617190324031"
],
"maxLength": 200,
"pattern": "^[a-z0-9-]{3,200}$",
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"asOf": {
"description": "ISO-8601 timestamp the data was fetched",
"type": "string"
},
"markets": {
"description": "Normalized market rows",
"items": {
"additionalProperties": false,
"properties": {
"bestAsk": {
"description": "Best ask for the first outcome",
"type": [
"number",
"null"
]
},
"bestBid": {
"description": "Best bid for the first outcome",
"type": [
"number",
"null"
]
},
"conditionId": {
"description": "On-chain condition id (bytes32 hex)",
"type": [
"string",
"null"
]
},
"derived": {
"additionalProperties": false,
"description": "Fields not in the free listing: computed from the CLOB price history and the public trade tape. Null with a reason in errors when a provider is unavailable.",
"properties": {
"errors": {
"description": "Provider-scoped reasons a derived field is null (e.g. clob:timeout)",
"items": {
"type": "string"
},
"type": "array"
},
"historySamples": {
"description": "Price points used",
"type": "integer"
},
"priceDelta1h": {
"description": "YES price now minus YES price 1h ago",
"type": [
"number",
"null"
]
},
"priceDelta6h": {
"description": "YES price now minus YES price 6h ago",
"type": [
"number",
"null"
]
},
"realizedVol24h": {
"description": "Std-dev of 10-minute log returns over the last 24h",
"type": [
"number",
"null"
]
},
"whaleFlow": {
"additionalProperties": false,
"description": "Trade-tape summary over the last 6h; BUY of NO counts as SELL of YES",
"properties": {
"buyYesUsdc": {
"type": "number"
},
"flow": {
"enum": [
"YES_ACCUMULATION",
"YES_DISTRIBUTION",
"BALANCED",
"NO_TRADES"
],
"type": "string"
},
"largestTradeUsdc": {
"type": "number"
},
"netYesUsdc": {
"type": "number"
},
"sellYesUsdc": {
"type": "number"
},
"trades": {
"type": "integer"
},
"whaleThresholdUsdc": {
"type": "number"
},
"whaleTrades": {
"type": "integer"
},
"windowSec": {
"type": "integer"
}
},
"required": [
"windowSec",
"trades",
"netYesUsdc",
"largestTradeUsdc",
"whaleTrades",
"flow"
],
"type": [
"object",
"null"
]
}
},
"required": [
"priceDelta1h",
"priceDelta6h",
"realizedVol24h",
"whaleFlow",
"errors"
],
"type": "object"
},
"endDate": {
"description": "ISO-8601 market end date",
"type": [
"string",
"null"
]
},
"id": {
"description": "Polymarket market id",
"type": "string"
},
"impliedProbability": {
"description": "Price of the first outcome (YES) in [0,1]",
"type": [
"number",
"null"
]
},
"liquidity": {
"description": "Order-book liquidity in USD",
"type": [
"number",
"null"
]
},
"momentum": {
"description": "Deterministic label: RISING if 24h change >= +0.02, FALLING if <= -0.02, else FLAT",
"enum": [
"RISING",
"FALLING",
"FLAT",
"UNKNOWN"
],
"type": "string"
},
"oneDayPriceChange": {
"description": "24h change of the first outcome price (absolute, in probability points)",
"type": [
"number",
"null"
]
},
"outcomePrices": {
"description": "Current outcome prices in [0,1] (implied probabilities)",
"items": {
"type": "number"
},
"type": "array"
},
"outcomes": {
"description": "Outcome labels, index-aligned with outcomePrices",
"items": {
"type": "string"
},
"type": "array"
},
"question": {
"description": "Market question text",
"type": "string"
},
"slug": {
"description": "URL slug of the market",
"type": "string"
},
"spread": {
"description": "bestAsk - bestBid",
"type": [
"number",
"null"
]
},
"volume24hr": {
"description": "24h notional volume in USD",
"type": [
"number",
"null"
]
}
},
"required": [
"id",
"slug",
"question",
"outcomes",
"outcomePrices",
"impliedProbability",
"momentum"
],
"type": "object"
},
"type": "array"
},
"query": {
"description": "Echo of the resolved query (slug, or top/orderBy)",
"type": "object"
},
"settled": {
"description": "true when an x402 payment settled for this response (false on free-quota or dry-run)",
"type": "boolean"
},
"source": {
"description": "Upstream data providers",
"enum": [
"polymarket-gamma",
"polymarket-gamma+clob+trades"
],
"type": "string"
},
"ts": {
"description": "Response timestamp, UNIX milliseconds",
"type": "integer"
}
},
"required": [
"source",
"query",
"markets",
"asOf",
"settled",
"ts"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://enclave402.com/api/market/signal" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://enclave402.com/api/market/signal");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://enclave402.com/api/market/signal")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/6768.json, and this resource appears in /discovery/resources and /discovery/search.