Api Endpoint

Speccy x402 — Polymarket

Top Polymarket prediction markets by 24h volume. Returns up to 50 markets with id, question, slug, volume, volume24hr, liquidity, endDate, outcomes and outcomePrices.

Open interactive test console

Offering

Provider
api.speccy.cloud
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.speccy.cloud/v1/predictions/polymarket
MIME type
application/json
First seen
2026-10-16T01:50:10.647Z
Last seen
Tags
polymarket, prediction-markets, Crypto, forecasting, X402, speccy

Payment pricing

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

Payment option 1
0.01 USDC
Atomic price: 10000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "payTo": "0x0Cb12Df486381A0EBeBc0EF338dA80657f68f9cB"
  }
]

Observed health

Status
Healthy
Latest latency
301 ms
Average latency
618 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": {
        "limit": {
          "type": "integer",
          "minimum": 1,
          "maximum": 50,
          "default": 20,
          "description": "Number of markets (1-50, default 20)"
        },
        "sort": {
          "type": "string",
          "enum": [
            "volume",
            "liquidity",
            "startDate"
          ],
          "default": "volume",
          "description": "Sort field"
        }
      }
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "method": {
          "enum": [
            "GET"
          ],
          "type": "string"
        },
        "queryParams": {
          "properties": {
            "limit": {
              "default": 20,
              "description": "Number of markets (1-50, default 20)",
              "maximum": 50,
              "minimum": 1,
              "type": "integer"
            },
            "sort": {
              "default": "volume",
              "description": "Sort field",
              "enum": [
                "volume",
                "liquidity",
                "startDate"
              ],
              "type": "string"
            }
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}