Hyperliquid counterparty risk. POST {user}. Returns risk_level (low/medium/high), liquidation_count + rate, funding_paid_per_volume (consistent leverage signal), and a recent_24h_outflow_flag (drained collateral). For MM/copy-trade agents pricing adverse selection.

Identify an address: EOA vs contract, token standard (ERC20/721/1155), proxy, metadata.

Munition Airport Search: x402-paid airport reference data search for AI agents. Pay 0.001 USDC to search airports by IATA code, city, airport name, or country and receive normalized IATA airport records suitable for travel planning.

Fetches an owned, continuously-maintained niche data feed. Current feed `x402-directory`: a probed directory of known x402 services with their live reliability scores, networks, and last-probe timestamps.

Cross-venue arbitrage spread between Polymarket and Limitless on a topic. POST {topic, limit?}. Pulls matching markets from Polymarket's public Gamma API and Limitless's REST search, pairs them by closest-price match, computes per-pair yes-mid spread + arbitrage direction. GA assembles a JOIN that single-venue passthroughs can't return. Naive pair-up — agent should confirm semantic match before sizing.

Polymarket full PnL report. POST {wallet, method?}. Returns derived skill metrics + per-lot realized PnL (FIFO/LIFO/HIFO matching, default fifo) + open positions with mark-to-market unrealized. For agents that need to inspect specific trades, audit, or feed into a deeper reputation signal.

US macro economic snapshot + trading signals + market data — Fed funds rate, CPI inflation, PPI, yield curve (10Y-2Y spread), unemployment, GDP growth, housing index, consumer sentiment in single API call. Real-time from FRED + BLS + BEA. For trading agents, risk models, portfolio rebalancing, economic forecasting, market commentary, research workflows, autonomous treasury management, DeFi macro hedging.

Extracted item-level text from a specific filing (e.g., 10-K Item 1A Risk Factors).

Real-time crypto price + coin info ($0.1). Returns current price (KRW), change rate, kimchi premium, daily high/low, trading volume, market cap, and coin profile. Symbol: BTC, ETH, XRP, SOL, etc.

ShieldAPI - x402 security preflight before agents connect to IP infrastructure

Pre-trade exit-liquidity check for an ERC-20: top-10 holder concentration %, ex-LP/ex-known-router concentration, per-holder balance %, contract-or-EOA flag. High concentration = thin exit liquidity. Chains: ethereum, base, arbitrum, optimism.

ShieldAPI - x402 security preflight before agents trust an identity, sender, or email counterparty

Size-the-room for a Hyperliquid market. POST {coin, n?}. Returns the top N (default 10, max 25) traders on a coin ranked by volume, each with skill_score + classification + liquidation_count. Pre-trade check for MM agents: 'who am I about to be against on this perp, and have they been liquidated before?' Coin format: BTC, @107 (spot), xyz:SILVER.

LastLook Data — refinance signal bundle: current 30yr and 15yr mortgage rates, 52-week range, MBS spread, rate trend, and refi break-even threshold. Tells an AI agent whether a borrower should consider refinancing.

Scan any EVM wallet address or ENS name for on-chain risk signals using Web3 Antivirus. Returns a toxic score, risk level, and the specific risk categories that triggered a flag. Designed for off-ramp compliance: use shouldFlag to block or escalate — any non-zero toxic score means the wallet has been flagged for at least one risk category such as sanctions, scams, mixers, or phishing.

Mint 5k $BOOFY. https://boofy.fun . Fulfilment may take a few minutes. Cap for this endpoint is 100k $USDC. No team supply. $BOOFY is a pure meme token with no utility. No refunds, liquidity will only be provided on mint out. Use at your own risk. Follow https://x.com/BOOFYx402.

Underground Cultural District — catalog of 228 themed digital products (poetry, philosophy, fiction, reflection, plant meditations). One settle returns the full menu with every product's slug, description, price, and x402 endpoint. Each individual product is its own indexable x402 route. The catalog is the doorway.

Pay $0.01 USDC to ask Omniac, the Omniacs DAO mascot, any question about crypto, data science, or tech. Responses are concise by default. Powered by llama-3.3-70b via Venice.ai. Max question length: 2000 characters. Network: Base Mainnet. Each request sends one natural-language question to the model and returns one direct answer, making it useful for crypto explainers, technical Q&A, research support, and agent knowledge lookups.

Aggregate counts, top word frequency, readability, and warnings in one payload.

Begin identity verification for a wallet. Costs $0.05 USDC. Returns a hosted verification URL and the bound wallet address. Open kycUrl in a browser. Once complete, any service can verify the wallet via /status.