Index onlineMerchant portal
Api Endpoint

api.predictionmarketdata.io

Returns prediction market stats and metrics for pmcs.

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/prediction-markets/pmcs-stats
MIME type
Not provided
First seen
2026-10-16T01:52:40.118Z
Last seen
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
131 ms
Average latency
421 ms
HTTP status
402
Last checked
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": {}
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "pmcs_stats": {
      "category_codes": [
        {
          "code": "SPT",
          "count": 16821,
          "entityCodes": [
            {
              "code": "KALSHI",
              "count": 11909
            },
            {
              "code": "POLYMARK",
              "count": 3714
            }
          ]
        }
      ]
    },
    "last_updated": "2026-06-08T20:13:30.068517+00:00"
  }
}