Tool detail

polymarket

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

Categories: Market prices, Prediction markets

Use when

get the most active Polymarket prediction markets right now
pull current outcome prices for top prediction markets

Not for

not a single-market lookup by slug or id — a ranked top-N list only
not Kalshi or other prediction venues — Polymarket only

Inputs

GET query params, both optional: limit (integer 1-50, default 20), sort (enum: volume|liquidity|startDate, default volume).

Admitted input schema

{
  "type": "object",
  "properties": {
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 50,
      "description": "Number of markets (1-50, default 20)",
      "default": 20
    },
    "sort": {
      "type": "string",
      "minLength": 0,
      "maxLength": 4096,
      "enum": [
        "volume",
        "liquidity",
        "startDate"
      ],
      "description": "Sort field",
      "default": "volume"
    }
  },
  "required": [],
  "additionalProperties": false
}

Endpoint

Method: GET
URL: https://api.speccy.cloud/v1/predictions/polymarket

Payment

Protocol: x402
Listed price: 0.01 USDC per call on Base
Payment method: exact
Network: eip155:8453
Asset: 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913

Listed terms are catalog metadata. The caller supplies inputs and calls the tool outside Onelayer. If payment is required, the caller uses a compatible wallet to pay.

Source

Directory: Coinbase x402 Bazaar
Record: GET https://api.speccy.cloud/v1/predictions/polymarket
Retrieved: 2026-09-30T20:37:07.382Z
Catalog file SHA-256: 6837ccddf886f0007cf3727ea9d27faaa5047b51b4f425345c554ce1c271a524
Catalog built: 2026-09-30T22:31:58.034Z