Prediction Markets x402 offerings

Live probability: Will the next US GDP print show growth? — Stable evergreen URL for a recurring question: Will the next US GDP print show growth? Auto-resolves to the current market instance and rolls forward on resolution, so the answer is always about the next occurrence. Response adds current_slug and rolls_to_next_at to the standard probability shape.

All active science and technology markets with live probabilities in one call — 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.

Biggest climate and weather probability moves (1h/6h/24h) — The fastest way to see where news is landing in climate and weather: active markets ranked by absolute probability change over your chosen window, with volume surge ratios. Same shape as /v1/movers, pre-filtered to climate and weather markets.

Upcoming world politics event resolutions — Upcoming world politics market resolutions in date order with current blended probabilities — the forward calendar of world politics events an agent can position around. Same shape as /v1/calendar, pre-filtered to world politics markets.

Upcoming soccer event resolutions — Upcoming soccer market resolutions in date order with current blended probabilities — the forward calendar of soccer events an agent can position around. Same shape as /v1/calendar, pre-filtered to soccer markets.

Live probability: Will the Fed hike rates at its next FOMC meeting? — Stable evergreen URL for a recurring question: Will the Fed hike rates at its next FOMC meeting? Auto-resolves to the current market instance and rolls forward on resolution, so the answer is always about the next occurrence. Response adds current_slug and rolls_to_next_at to the standard probability shape.

Biggest MLB baseball probability moves (1h/6h/24h) — The fastest way to see where news is landing in MLB baseball: active markets ranked by absolute probability change over your chosen window, with volume surge ratios. Same shape as /v1/movers, pre-filtered to MLB baseball markets.

Upcoming market resolutions in the next N days with current probabilities — Active markets resolving inside the horizon, sorted by resolution date with the current blended probability. An agent's event calendar: what settles soon and where it stands.

Upcoming NBA basketball event resolutions — Upcoming NBA basketball market resolutions in date order with current blended probabilities — the forward calendar of NBA basketball events an agent can position around. Same shape as /v1/calendar, pre-filtered to NBA basketball markets.

Only the materially-moved markets changed since your cursor (delta of /v1/movers — Keyset delta of /v1/movers: pass since=<next_cursor from your last call> and get only the materially-moved markets added or changed after it, plus changed_count and a new next_cursor. Omit since once to bootstrap. Cursors are stable across restarts. Poll the free sibling /v1/movers/changes for counts and pay only…

Jev Decision ($0.005/call): Ask Jev (TypeSafe System One) typed questions about one state and get numbers back, not text: noul answers the probability a yes/no is yes; choice picks an option with a probability for every option; score places the state on an ordered scale of levels with a probability for every level. Same body and answer as TypeSafe's POST /v1/systemone (model optional, state as text or JSON, questions keyed by your ids), so their docs and SDK question helpers apply; pay

Kronos by ForgeMesh outcome audit for a prior decision_id. Compares recorded market context with later realized prices and returns a verdict, realized percentage change, and direction-correct result.

Momus MLB model: win probabilities for one game from a pitcher-aware Elo (starter FIP/ERA, bullpen, home field) fitted on 7,000+ games, the de-vigged market, the 60/40 blend Momus bets on, fair odds, probable starters. Deterministic, no LLM. Either team name is enough for that team's next game.

Momus US-midterms 2026 model: Senate and House control probabilities and seat distributions from a correlated Monte Carlo (20,000 draws, shared national swing + race noise, ratings + polling layer), priced against the live Polymarket and Kalshi contracts with Momus's edge per market. Weekly run.

Momus football model: 1X2 probabilities, fair odds, correct-score grid and derived markets for one fixture. Deterministic Dixon-Coles, no LLM. Team names are matched loosely.

Momus on Robinhood Chain: his full written read on a tennis match priced on Meridian Predict (the on-chain prediction venue on Robinhood Chain) — his chance vs the Meridian blind-auction price, the edge, the call (position / would-bet / pass) and the tennis context (form, head-to-head, surface, books); for positions the payout multiple and the return as % of stake. q = player, match or tournament; empty = his latest read.

Active pump detector on the last 24 hours of 15m candles of Hyperliquid perpetuals (USDC-margined): is the coin pumping now, since when, how far, and how that compares with the average pump length in the window. Use to judge whether a move is fresh or exhausted before joining it. Coverage: top 50 Hyperliquid perpetuals by 30-day volume; see /v1/tools/price/supported (other coins get 422 not_covered, no charge)

Historical performance by calendar month (e.g. 'Uptober') — avg return and win rate per month. Use for seasonal positioning. Pattern from history, not a prediction.

Attention meets prediction markets: topics trending or spiking on Wikipedia matched to open Polymarket markets, each with prices and the skilled-trader lean from x402Pulse scoring. Find markets the public is suddenly paying attention to. Data, not investment advice.

Smart-money whale trades on Polymarket: recent large trades by skilled (Solid or Sharp) traders only, each tagged with the trader's skill score, edge over the odds paid, return and specialty. Separates informed whales from big gamblers.

Polymarket markets where smart money disagrees with the odds: scans the 30 busiest open markets every 15 minutes and returns those where skilled traders' money implies a different probability than the price, tempered against thin evidence, with a low, medium or high confidence rating. Data, not investment advice.

Polymarket trader scorecard for any wallet: skill score (0-100), edge over the odds paid, win rate vs. the win rate the odds implied, return (ROI), realized PnL, specialty and largest open positions. Scores the latest 200 finished bets, losses included.

Polymarket whale trades: the largest recent buys and sells across all markets above a size you choose, with trader name, outcome, price and USD size. 5- and 15-minute crypto markets filtered out. Pair with /v1/wallet to check whether a whale is any good.

Polymarket smart money for one market: the biggest holders on each side, each scored for skill (edge, win rate, ROI), plus which way skilled money leans and whether it agrees with the market's odds. Accepts a market link, slug or condition ID. Data, not investment advice.