Crypto & Blockchain

Returns time-weighted average price events from a Hyperliquid node.

Returns a list of available financial instruments for trading or analysis.

Reference list of security type codes used in ticker reference data (e.g. CS = Common Stock, ETF, PFD, WARRANT) with descriptions. From x402stock, a pay-per-call market & economic data API for AI agents. No API key or account; pay in USDC via x402.

The Crypto Fear & Greed index (0–100) with its rating, alongside the US stock Fear & Greed score for comparison, current BTC and ETH prices with 24h change, and ~90 days of crypto sentiment history. Pass `?days=N` to size the history. The crypto-sentiment companion to /api/v1/fear-greed (stocks). From x402stock, a market & economic data API (x402, USDC).

What stocks and crypto Reddit is talking about most over the last 24h, by mention volume across the busiest Reddit money subreddits (r/wallstreetbets, r/stocks, r/CryptoCurrency, r/Bitcoin, etc.). Each ticker carries mentions, upvotes, and 24h change in rank and mentions; covered subreddits are listed per response. ?filter=stocks|crypto|all (default all), ?page=. From x402stock

Live perpetual-futures funding rates from Hyperliquid: per-coin funding rate, mark price, and open interest. Query: coins (optional comma list, e.g. BTC,ETH,SOL), limit (default 20, ranked by absolute funding). Use to monitor funding, hunt basis trades, and time entries. Real-time, keyless.

Current token prices from DefiLlama. Query: coins — a comma list of coin ids like coingecko:bitcoin or <chain>:<address> (up to 50). Each: price, symbol, timestamp, confidence. Prices move — poll it.

Foreign-exchange rates for 30+ fiat currencies (ECB reference data). Query: base (3-letter code, default USD), symbols (optional comma list, e.g. EUR,GBP,JPY), date (optional YYYY-MM-DD for historical rates back to 1999). Returns {base, date, rates}. Use for currency conversion, international pricing, and FX monitoring.

Unified scientific literature search across arXiv (preprints), PubMed (biomedical), and Semantic Scholar (cross-field, with citation counts). Returns a flat array of papers with stable schema: source, sourceId, doi, title, authors, abstract, year, publishedAt, citationCount, url, pdfUrl. Partial failures surface in the errors array rather than failing the whole call. Optional filters: since (YYYY-MM-DD), sources (subset), limit (max 20 per source).

Universal commodity price with smart localization: gold, silver, platinum, palladium, wti, brent, gas, copper, grains. Auto-adapts currency and unit to your locale (CNY per gram, JPY per gram) or stays USD. Params: symbol, amount, lang. 任意大宗商品实时价格，自动本地化币种与单位，黄金白银原油智能换算人民币/克。商品価格を自動現地化。Precio localizado. 현지화 시세. Accepts payment on Base or Solana — either network works.

Returns trending tokens across the entire blockchain for a specified activity window and optional category. The size of the increase in active wallets over the activity window determines the token's trending rank.

Returns trades for a specified wallet address as the trader (default) or maker, with optional filtering by token, paired token, pair, side, block range, or timestamp range.

Returns current token prices with FDV, liquidity, and 24h price change, quoted in **USD**, **ETH**, or **BTC**. ### Rules - Provide **either** `symbols` or `addresses`, not both. - Max **30 entries** for either parameter (pipe-delimited). - `quote_symbol` must be one of: `USD`, `ETH`, `BTC`.

Returns the newest tokens minted on the blockchain based on mint timestamp, filtered by an activity window and optional category.

USD Coin

USD Coin

USD Coin

USD Coin

Seeded Nonce Decimal: Seeded Nonce Decimal derives a reproducible non-security decimal nonce inside bounds from bounded caller-supplied values without an external provider. Call Seeded Nonce Decimal when an agent needs a reproducible decision that another run can independently replay. Returns the deterministic selection plus seed provenance, population bounds, and the operation-specific outcome for Seeded Nonce Decimal as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. First-…

Edge = true_prob − market_price for a binary contract. Call when ranking prediction-market opportunities by model edge. Returns signed edge in probability units as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Map a true probability into a binary contract fair price in [0,1]. Call when pricing yes/no markets from your probability model. Returns fair price in [0,1] as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

Combine independent decimal odds into parlay decimal odds. Call when building multi-leg prices from per-leg decimal odds. Returns parlay decimal odds as deterministic JSON for $0.001 USDC via x402 on Base. First-party local math only—no RPC, live market feed, API keys, storage, or mediagen. Advisory only; the caller owns capital, risk, and production controls.

EVM Tx Type Classify: EVM Tx Type Classify classifies legacy, access-list, dynamic-fee, and blob transaction type codes from bounded caller-supplied values without an external provider. Call EVM Tx Type Classify before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for EVM Tx Type Classify as versioned deterministic JSON. Price:…

Base Gas Price Staleness: Base Gas Price Staleness checks the age of a caller-supplied gas quote before use from bounded caller-supplied values without an external provider. Call Base Gas Price Staleness before signing, submitting, replacing, or accepting an EVM/Base transaction assembled from caller-owned data. Returns normalized transaction evidence, calculated budget or shape findings, and a fail-closed preflight status for Base Gas Price Staleness as versioned deterministic JSON. Price: $0.…