Did it happen? Check whether a prediction market event has settled on Polymarket or Kalshi
Did it happen? Check whether a prediction market event has settled on Polymarket or Kalshi and get the resolved outcome, resolution time, source and market URL. A cheap oracle for agents that must verify a real-world outcome before acting.
5000 (raw units)
price
6
calls / 30d
5
unique payers
2026-09-17
updated
Provider
x402.fenixfoundry.com · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x737426d3eD53930B889b3f61774669a0FDf3BE54",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5000",
"maxTimeoutSeconds": 60
}
]Output schema
{
"bazaar": {
"info": {
"input": {
"method": "GET",
"queryParams": {
"q": "Did the US government shut down in 2026?"
},
"type": "http"
},
"output": {
"example": {
"attribution": "Implied probabilities and resolution status are derived from public Polymarket and Kalshi market data by x402.fenixfoundry.com. Not affiliated with, endorsed by, or a data feed of either venue. Informational only, not investment advice.",
"closeTime": "2026-01-31T00:00:00.000Z",
"confidence": 0.93,
"id": "KXGOVSHUTDOWN-26",
"outcome": "No",
"query": "Did the US government shut down in 2026?",
"resolutionSource": "kalshi",
"resolved": true,
"resolvedAt": "2026-01-31T18:04:00.000Z",
"url": "https://kalshi.com/markets/kxgovshutdown-26",
"venue": "kalshi"
},
"type": "json"
}
},
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"anyOf": [
{
"required": [
"q"
]
},
{
"required": [
"venue",
"id"
]
}
],
"properties": {
"id": {
"description": "Direct lookup: Polymarket event slug or Kalshi ticker. Requires venue.",
"type": "string"
},
"q": {
"description": "Natural-language event query, e.g. \"Did the US government shut down in 2026?\". Use this or venue+id.",
"maxLength": 500,
"type": "string"
},
"venue": {
"description": "Direct lookup: which venue the market lives on. Requires id.",
"enum": [
"polymarket",
"kalshi"
],
"type": "string"
}
},
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"attribution": {
"type": "string"
},
"closeTime": {
"description": "Scheduled close time for markets that have not settled.",
"type": [
"string",
"null"
]
},
"confidence": {
"description": "0..1 confidence that this market is the event you asked about.",
"type": "number"
},
"id": {
"type": [
"string",
"null"
]
},
"outcome": {
"description": "Settled outcome as published, e.g. \"Yes\".",
"type": [
"string",
"null"
]
},
"query": {
"type": [
"string",
"null"
]
},
"resolutionSource": {
"description": "Venue that published the settlement.",
"type": [
"string",
"null"
]
},
"resolved": {
"description": "True once the venue has settled the market.",
"type": "boolean"
},
"resolvedAt": {
"type": [
"string",
"null"
]
},
"url": {
"type": [
"string",
"null"
]
},
"venue": {
"enum": [
"polymarket",
"kalshi",
null
],
"type": [
"string",
"null"
]
}
},
"required": [
"resolved",
"outcome",
"resolvedAt",
"resolutionSource",
"venue",
"url",
"confidence",
"attribution"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}
}
}Use it
curl
curl "https://x402.fenixfoundry.com/resolution" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://x402.fenixfoundry.com/resolution");
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://x402.fenixfoundry.com/resolution")
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/2979.json, and this resource appears in /discovery/resources and /discovery/search.