# Services from x402-api-production-266e.up.railway.app on Zero > x402-api-production-266e.up.railway.app serves 18 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero. Canonical page: https://www.zero.xyz/host/x402-api-production-266e.up.railway.app Live health (JSON, refreshed every minute): https://www.zero.xyz/host/x402-api-production-266e.up.railway.app/health.json ## Services - [Polymarket Smart-Money Consensus Signal](https://www.zero.xyz/c/polymarket-smart-money-consensus-signal-047bdff8/llms.txt): $0.03/call via x402. Returns a ranked list of top-50 active Polymarket markets with whale-driven smart-money consensus, showing YES/NO volume splits, net flow, distinct smart-wallet counts, and a directional verdict for each market. - [Polymarket Whale Daily Digest](https://www.zero.xyz/c/polymarket-whale-daily-digest-aa7b50d0/llms.txt): $0.02/call via x402. Returns an aggregated 24-hour whale activity digest for Polymarket, including top markets by whale volume, largest single bets, and summary totals — with a 15-minute data delay. - [Predge Whale Data – Market Price/Volume History](https://www.zero.xyz/c/predge-whale-data-market-price-volume-history-46239c8d/llms.txt): $0.01/call via x402. Returns daily-bucketed trade-print price and volume history (including whale volume) for a specific Polymarket prediction market, plus up to 200 individual prints and resolution status. - [Predge Polymarket Wallet Profile](https://www.zero.xyz/c/predge-polymarket-wallet-profile-388cdc3d/llms.txt): $0.01/call via x402. Returns a full Predge analytics profile for a single Polymarket proxy-wallet address, including Predge score, win rates, PnL, trade history, and favorite market categories. - [Predge Whale Data – Wallet Trade History](https://www.zero.xyz/c/predge-whale-data-wallet-trade-history-72892b5e/llms.txt): $0.02/call via x402. Returns historical Polymarket trades for a specific wallet address with running win-rate and modeled PnL curve computed from resolved markets - [Polymarket Whale Activity by Market](https://www.zero.xyz/c/polymarket-whale-activity-by-market-5e6b7bb8/llms.txt): $0.01/call via x402. Returns 7-day whale trading activity for a specific Polymarket prediction market, including aggregate volume, YES/NO split, net flow, unique whale wallets, and up to 200 individual trades. - [Predge Whale Data – Polymarket Market Outcome Attestation](https://www.zero.xyz/c/predge-whale-data-polymarket-market-outcome-attestation-50361198/llms.txt): $0.02/call via x402. Returns a cryptographically signed ed25519 attestation of the resolved outcome for a specific Polymarket market, including resolution status, yes/no result, and optional side-correctness check. - [Predge Polymarket Whale Trades Feed](https://www.zero.xyz/c/predge-polymarket-whale-trades-feed-0ac16195/llms.txt): $0.005/call via x402. Returns the latest large Polymarket trades (>= $10,000 notional) with market details, side, size, price, wallet address, and Predge wallet score (30-day win rate), with a 15-minute delay. - [Predge Whale Wallet Trade History API](https://www.zero.xyz/c/predge-whale-wallet-trade-history-api-fb685803/llms.txt): $0.02/call via x402. Returns historical Polymarket trades for a specific whale wallet address, including a running win-rate and modeled P&L, over a configurable lookback window. - [Predge Whale Data API – Market Whale Activity by Condition ID](https://www.zero.xyz/c/predge-whale-data-api-market-whale-activity-by-condition-id-5f7cf57c/llms.txt): $0.01/call via x402. Returns whale trades, smart-money signals, volume summary, and wallet scores for a specific Polymarket prediction market over the last 7 days. - [Polymarket Wallet Win-Rate Leaderboard](https://www.zero.xyz/c/polymarket-wallet-win-rate-leaderboard-67429d55/llms.txt): $0.01/call via x402. Returns top Polymarket wallets ranked by realized win rate over a 7-day or 30-day window, filtered to wallets with at least 10 trades and one resolved market outcome. - [Predge Whale Data API – Market Trade History](https://www.zero.xyz/c/predge-whale-data-api-market-trade-history-5dece3d5/llms.txt): $0.01/call via x402. Returns historical whale trades, smart-money signals, price/volume buckets, and outcome verification for a single Polymarket market identified by condition ID. - [Predge Whale Wallet Profile API](https://www.zero.xyz/c/predge-whale-wallet-profile-api-254110b8/llms.txt): $0.01/call via x402. Returns a comprehensive smart-money profile for a single Polymarket proxy-wallet address, including whale score, win rates, modeled PnL, trade history, and favorite categories. - [Predge Whale Data – Wallet Comparison](https://www.zero.xyz/c/predge-whale-data-wallet-comparison-8396c201/llms.txt): $0.02/call via x402. Side-by-side comparison of 2–10 Polymarket wallets, including Predge scores, win rates, modeled PnL, top categories, and shared market overlap. - [Predge Biggest Bets - Top Trades by Notional](https://www.zero.xyz/c/predge-biggest-bets-top-trades-by-notional-231d1477/llms.txt): $0.005/call via x402. Returns the top 20 largest single trades by USD notional across all Polymarket markets within a 24h or 7d lookback window (15-minute delay), sorted by size descending. - [Polymarket Top Movers by Price Delta](https://www.zero.xyz/c/polymarket-top-movers-by-price-delta-52a17aea/llms.txt): $0.005/call via x402. Returns the top-20 Polymarket markets with the largest YES-price movements over a 1h, 6h, or 24h window, ranked by absolute price delta, derived from trade prints with whale volume breakdowns. - [Predge Signed Prediction Commit](https://www.zero.xyz/c/predge-signed-prediction-commit-7fd1a674/llms.txt): $0.1/call via x402. Commits a tamper-evident, ed25519-signed yes/no prediction on an open Polymarket market, chain-linked and content-addressed for cryptographic integrity. - [Predge Whale Data – Resolve Signed Call](https://www.zero.xyz/c/predge-whale-data-resolve-signed-call-a1ca1005/llms.txt): $0.02/call via x402. Attaches a settled market outcome to a previously signed live call, returning both the original signed call envelope and a cryptographically bound resolution envelope linking the call's content hash to the outcome. Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. - [Zero catalog index](https://www.zero.xyz/llms.txt)