GET /v1/board/science-tech

$0.03realtimetier: datacache 60sEngine A — Probability API

One-call board of the most active science and technology prediction markets: top markets by volume with blended live probabilities, resolution dates, and per-market slugs for drill-down. The bulk read for agents tracking the state of science and technology at a glance.

Parameters

Example

curl "https://x402-factory.com/v1/board/science-tech?limit=10"

Example response

{
  "data": {
    "category": "science-tech",
    "markets": [
      {
        "slug": "starship-booster-catch-twice-2026-12",
        "question": "Will SpaceX catch a Starship booster twice more by December 31?",
        "probability": 0.6404,
        "volume_24h_usd": 130382.1,
        "resolution_date": "2026-12-31"
      },
      {
        "slug": "openai-releases-gpt6-2026-12",
        "question": "Will OpenAI release GPT-6 by end of 2026?",
        "probability": 0.4681,
        "volume_24h_usd": 130225.49,
        "resolution_date": "2026-12-31"
      },
      {
        "slug": "apple-announces-foldable-2026-09",
        "question": "Will Apple announce a foldable device at its September event?",
        "probability": 0.1686,
        "volume_24h_usd": 70815.04,
        "resolution_date": "2026-09-15"
      },
      {
        "slug": "federal-ai-regulation-law-2026",
        "question": "Will major federal AI regulation become law in 2026?",
        "probability": 0.1221,
        "volume_24h_usd": 66632.33,
        "resolution_date": "2026-12-31"
      },
      {
        "slug": "room-temp-superconductor-replicated-2026-12",
        "question": "Will a replicated room-temperature superconductor be published in 2026?",
        "probability": 0.0421,
        "volume_24h_usd": 11993.21,
        "resolution_date": "2026-12-31"
      }
    ]
  },
  "meta": {
    "endpoint": "/v1/board/science-tech",
    "version": "1.0.0",
    "generated_at": "2026-08-18T22:54:16.758Z",
    "freshness": "realtime",
    "sources": [
      "kalshi",
      "polymarket"
    ],
    "request_id": "req_00000000",
    "docs": "https://x402-factory.com/docs/probability.board.science-tech",
    "data_mode": "live"
  }
}

Response schema (data payload)

{
  "type": "object",
  "properties": {
    "category": {
      "type": "string"
    },
    "markets": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "slug": {
            "type": "string"
          },
          "question": {
            "type": "string"
          },
          "probability": {
            "type": "number",
            "minimum": 0,
            "maximum": 1
          },
          "volume_24h_usd": {
            "type": "number"
          },
          "resolution_date": {
            "type": "string"
          }
        },
        "required": [
          "slug",
          "question",
          "probability",
          "volume_24h_usd",
          "resolution_date"
        ],
        "additionalProperties": false
      }
    }
  },
  "required": [
    "category",
    "markets"
  ],
  "additionalProperties": false
}

The platform wraps every payload in an envelope: { "data": …, "meta": { endpoint, version, generated_at, freshness, sources, request_id, docs, data_mode } }.

Payment (x402)

Unpaid requests receive 402 with payment requirements (accepts). Pay $0.03 in USDC on Base per call via an X-PAYMENT header — see docs.x402.org. With PAYMENT_MODE=disabled (local dev) the endpoint is open.

Errors