Did it happen?
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.
Answeringour last check, 2026-09-24
1 of 1checks answered this week
759 msmedian answer time
$0.005listed price per call
$0.005price 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://x402.fenixfoundry.com/resolution
| Category | Market data |
|---|---|
| Provider host | x402.fenixfoundry.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 5 from 4 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-09-24 | valid payment request | 402 | $0.005 | 759 ms |
Example input (from the provider)
{
"method": "GET",
"queryParams": {
"q": "Did the US government shut down in 2026?"
},
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"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"
}