x402-factory
Blended event probability across Kalshi and Polymarket for one market — Liquidity-weighted blend of venue implied probabilities for a canonical market slug, with per-venue detail, cross-venue divergence, and the last 1h move. Resolved markets return 410 RESOLVED with the outcome. Find slugs via /v1/probability/search.
Offering
- Provider
- x402-factory.com
- Method
- GET
- Offering type
- Api Endpoint
- Transport type
- http
- Category
- Prediction Markets
- Delivery
- Not provided
- Pricing model
- Not provided
- x402 version
- 2
Endpoint context
- URL
https://x402-factory.com/v1/probability/:slug- MIME type
- Not provided
- First seen
- 2026-10-16T01:51:40.954Z
- Last seen
- Tags
- prediction, probability, kalshi, polymarket
Payment pricing
x402 payment terms are the authoritative price for calling this endpoint.
- Payment option 1
- 0.02 USDC
Atomic price: 20000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
{
"scheme": "exact",
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "20000",
"payTo": "0xCc42Ed39a06b6cF3f484307eF76B88Bf56Fb305f"
}
]Observed health
- Status
- Healthy
- Latest latency
- 28 ms
- Average latency
- 106 ms
- HTTP status
- 402
- Last checked
- Reachability
- 100% over 13 checks
Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.
Input schema
{
"method": "GET",
"pathParams": {
"slug": "fed-rate-cut-2026-09"
},
"queryParams": {},
"type": "http"
}Output schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"pathParams": {
"properties": {
"slug": {
"pattern": "^[a-z0-9]+(?:-[a-z0-9]+)*$",
"type": "string"
}
},
"required": [
"slug"
],
"type": "object"
},
"queryParams": {
"properties": {
"venue": {
"default": "blend",
"enum": [
"kalshi",
"polymarket",
"blend"
],
"type": "string"
}
},
"required": [],
"type": "object"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"data": {
"additionalProperties": false,
"properties": {
"category": {
"type": "string"
},
"divergence": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"last_move_1h": {
"type": "number"
},
"per_venue": {
"items": {
"additionalProperties": false,
"properties": {
"implied_p": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"liquidity_score": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"market_id": {
"type": "string"
},
"venue": {
"enum": [
"kalshi",
"polymarket"
],
"type": "string"
},
"volume_24h_usd": {
"type": "number"
}
},
"required": [
"venue",
"market_id",
"implied_p",
"volume_24h_usd",
"liquidity_score"
],
"type": "object"
},
"type": "array"
},
"probability": {
"maximum": 1,
"minimum": 0,
"type": "number"
},
"question": {
"type": "string"
},
"resolution_criteria_summary": {
"type": "string"
},
"resolution_date": {
"type": "string"
},
"slug": {
"type": "string"
}
},
"required": [
"slug",
"question",
"probability",
"per_venue",
"divergence",
"category",
"resolution_date",
"resolution_criteria_summary",
"last_move_1h"
],
"type": "object"
},
"meta": {
"type": "object"
}
},
"required": [
"data",
"meta"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}