Api Endpoint

api.predictionmarketdata.io

Lists exchanges for prediction market data and related market venues.

Open interactive test console

Offering

Provider: api.predictionmarketdata.io
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://api.predictionmarketdata.io/exchanges
MIME type: Not provided
First seen: 2026-10-16T01:50:45.949Z
Last seen: 2026-11-01T15:00:18.976Z
Tags: None supplied

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1: 0.001 USDC
Atomic price: 1000 · Network: eip155:8453 · Asset: USDC · Scheme: exact

Raw x402 terms

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "payTo": "0x995c0abdcd2ad76548e5f7deb54d32549b2b781f"
  }
]

Observed health

Status: Healthy
Latest latency: 3851 ms
Average latency: 1046 ms
HTTP status: 402
Last checked: 2026-11-01T14:02:10.836Z
Reachability: 100% over 14 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "limit": {
          "type": "string",
          "description": "Maximum number of exchanges to return."
        },
        "offset": {
          "type": "string",
          "description": "Zero-based pagination offset."
        },
        "primary_location": {
          "type": "string",
          "description": "Optional location filter."
        },
        "vasp_classification": {
          "type": "string",
          "description": "Optional VASP classification filter."
        },
        "vasp_score": {
          "type": "string",
          "description": "Optional exact VASP score filter."
        },
        "vasp_score_gt": {
          "type": "string",
          "description": "Optional lower bound for VASP score."
        },
        "vasp_score_lt": {
          "type": "string",
          "description": "Optional upper bound for VASP score."
        },
        "vast_type": {
          "type": "string",
          "description": "Legacy exchange-type filter."
        }
      },
      "required": [
        "limit",
        "offset"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "exchanges": [
      {
        "status": "Active",
        "startTs": "2022-05-01T00:00:00Z",
        "website": "https://kalshi.com/",
        "vaspType": "Prediction",
        "lukkaVasp": "Kalshi",
        "vaspScore": "59.9225",
        "entityCode": "KALSHI",
        "letterGrade": "B2",
        "lukkaVaspId": "LV40C47CFE3",
        "primaryLocation": "United States",
        "vaspClassification": "Centralized"
      }
    ]
  }
}