Crypto & Blockchain

Live state of every perpetual-futures market in one call: per coin the mark and oracle price, hourly funding rate with annualized APR, premium, open interest, max leverage, previous-day price, and 24h USD and base volume. Native crypto-derivatives data — funding and open interest are perp-only, absent from any spot feed. Free on-chain DEX data (venue: Hyperliquid), no key. From x402stock

Complete market brief for one crypto asset in a single $1 call — trend regime, AI sentiment, live price with 24h/7d change, and volatility risk, combined from Stelar Digital's production classifiers. For agents needing full context before a trade decision without stitching together 4 separate calls. Input: ?symbol=SOL. Output: {symbol, regime, sentiment, price, risk, generated_at, disclaimer}.

Everything in /bundle/market-brief (regime, sentiment, price, risk) plus an AI-generated synthesis connecting the signals and naming the single biggest risk factor — grounded only in the real data returned, never fabricated. For agents wanting one $2.50 call instead of a market brief plus a manual read. Input: ?symbol=SOL. Output: {symbol, regime, sentiment, price, risk, generated_at, disclaimer, analysis: {synthesis, key_risk}}.

Returns whale, CEX, bridge, and stablecoin flow alerts for a chosen chain and lookback window, each with direction, venue, and USD value — use it to catch large capital movements before they move price. Typical agent tasks: check for a large exchange inflow on Base, monitor bridge flows into or out of a chain, track stablecoin issuer mint or burn events, or add on-chain flow context to a crypto market-intelligence pipeline. Configurable 1-168 hour lookback, USDC on Base via x402.

Use to see where prediction-market money is flowing: the most recently traded Polymarket outcome tokens with implied probability (last on-chain price), today's VWAP and USD volume, and indexed totals — decoded by our own indexer from CTF Exchange V2 events on the public Polygon ledger, not from any Polymarket API. `?limit=` up to 100. From x402stock, a market & economic data API (x402, USDC).

Hardware Price Index — daily-refreshed CPU and GPU price data. Returns two data layers: 1. hardware_prices — retail prices scraped from PCPartPicker, bucketed by tier (budget / mid-range / high-end). Null if scraping is unavailable. 2. market_index — live semiconductor stock prices (NVDA, AMD, INTC) as a market-sentiment proxy. Always available via yfinance. HOW TO CALL: POST /get_hardware_prices?category=gpu PARAMETERS: category — 'cpu', 'gpu', or 'all' (returns both) CPU tier thresholds: budget <$150 | mid $150–$350 | high >$350 GPU tier thresholds: budget <$300 | mid $300–$600 | high >$600 RESPONSE: { date, category, fetched_at, cached, market_index, hardware_prices } Data is cached for 24 hours (daily refresh). PRICING: $0.03 per call.

QR code as a crisp deterministic SVG from any text or URL up to 1000 characters, with selectable error-correction level (L/M/Q/H). Vector output scales to any size with no rasterization step.

Crypto market cap: total cryptocurrency market capitalization (USD), 24h trading volume, Bitcoin (BTC) and Ethereum (ETH) dominance, 24h market-cap change and active coin/market counts. Whole-market context behind any single coin's move. Data source: CoinLore.

Live price, liquidity, FDV and 24h move for the tokens trending on a chain right now. No input required.

Rug-safety scan of the tokens trending on a chain right now — mint, blacklist, pausable, tax, proxy, ownership. No input required.

Trending NFT collections with floor price, 24h move, volume and average sale. No input required.

Who controls the tokens trending right now — resolves each token's owner and profiles that wallet's balance, activity and flags. No input required.

What the tokens trending on a chain right now actually are — contract type, tags and a one-line summary. No input required.

Audit text for malicious AI-skill patterns. Requires `content`. Nothing to audit — crawling, or discovering this endpoint cold? POST /audit/registry runs the same scanner over the newest servers in the official MCP registry: no input required, $0.005.

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.

Fetch an EVM block (latest or by number). Given a chain and an optional block number returns block number, hash, parent hash, timestamp, transaction count, gas used/limit, base fee and miner. Omit the number for the current block height. For indexers, chain-tip monitoring, finality-tracking and block-explorer agents.

Paginated transfers where merchant is recipient

POST any JSON payload to any webhook URL with custom headers and method. Let your agent trigger downstream systems in one call. Pay per call with USDC (x402) or credits - archtools.dev

Summarize in 5 styles (bullets, tldr, executive...). Pay per call with USDC (x402) or credits - archtools.dev

Real-time price, 24h change, market cap and volume for any cryptocurrency. One POST, sub-second answers for trading agents. Pay per call with USDC (x402) or credits - archtools.dev

Domain registration, expiry, nameservers via RDAP. Pay per call with USDC (x402) or credits - archtools.dev

Generate Code128, EAN-13, UPC-A and Code39 barcodes as crisp SVGs in one POST. Ready for inventory, shipping and retail agents. Pay per call with USDC (x402) or credits - archtools.dev

Get community sentiment for a cryptocurrency. Pay per call with USDC (x402) or credits - archtools.dev

Capture a screenshot of any webpage. Pay per call with USDC (x402) or credits - archtools.dev