Crypto & Blockchain

Transform text (10 modes: slug, camel, base64...). Pay per call with USDC (x402) or credits - archtools.dev

Parse RSS/Atom feeds into structured JSON. Pay per call with USDC (x402) or credits - archtools.dev

Top DeFi protocols ranked by TVL (total value locked), highest first, source DefiLlama. Optional parameter: ?limit=<n> (1 to 100, default 20).

Current gas price on an EVM blockchain, read live via a public RPC endpoint (viem) — no API key, no aggregator. Also available as dedicated routes: GET /api/gas/base, GET /api/gas/ethereum. Parameter: ?chain=<base|ethereum>.

Current ETH (Ethereum) price in USD, source DefiLlama. No parameters.

TCGPlayer current prices for every card in a set — useful for set value tracking and sealed Pokemon / Magic / Yu-Gi-Oh product pricing.

Full price history with daily TCGPlayer sales volume for a TCG card — ideal for Pokemon / Magic / Yu-Gi-Oh pricing bots and market analytics.

Get the current Base gas price and the ETH cost of an ETH, ERC-20 or x402 USDC transfer at that price. Current Base gas: gas price, base fee, priority fee, and the ETH cost of an ETH transfer, an ERC-20 transfer and an x402 USDC settlement at that price. Query: none.

Historical crypto price candles (OHLC). Given a coin id or ticker (e.g. bitcoin, eth, sol) and a window of days (1, 7, 14, 30, 90, 180 or 365) returns open/high/low/close candles with ISO timestamps. For charting, technical analysis, backtesting and trend-detection agents.

On-chain token price by contract address (DEX / DeFi). Given a chain (e.g. ethereum, base, bsc, polygon, arbitrum, solana) and one or more token contract addresses, returns current USD price, market cap, 24h volume, 24h change % and last-updated timestamp for each. For DeFi agents, on-chain price feeds, DEX token lookups and portfolio valuation of long-tail or newly listed tokens.

Retrieves token price details including FDV, liquidity, and 24-hour change, quoted in any ERC20 or major blockchain token.

Predicted next-period funding rate for each coin across venues — on-chain plus centralized perp venues (Hyperliquid, Binance, Bybit) — each with the funding interval and next funding time. A cross-exchange funding-arbitrage signal in one call: compare where a coin's funding is richest or cheapest. Free on-chain DEX data, no key. From x402stock, a market & economic data API (x402, USDC).

Classify text as positive, negative or neutral with scores and emotion detection. Instant NLP for reviews, support and social. Pay per call with USDC (x402) or credits - archtools.dev

Scrape any public URL into clean markdown, HTML or text, with optional CSS selector targeting. No headless browser to run. Pay per call with USDC (x402) or credits - archtools.dev

Extract text from images and screenshots with AI vision. Send a URL or base64 image, get accurate text back in seconds. Pay per call with USDC (x402) or credits - archtools.dev

Generate regex from plain English with explanations. Pay per call with USDC (x402) or credits - archtools.dev

Phone number intelligence for agents: pass any number and get back whether it is a valid E.164 number, its country, the carrier that holds it, and the line type — mobile, landline, or VoIP. One paid call, no account, no API key. Decide whether a number is worth calling or texting, or flag a VoIP number before you trust it. Free-format numbers are normalized; a syntactically bad number is rejected before any charge.

Live crypto/token spot price in USD, routed to the best live x402 provider and returned normalized. Pass ?symbol=BTC (or ETH, WIF, a coin name) and optional ?vs=USD. One integration, always-live: the router ranks providers by measured reliability (cheapest live source wins) and buys on your behalf, falling over to the next provider if one is down — so you never chase a dead endpoint or manage six provider accounts. Add ?verify=1 to...

OyaPicks: live prediction-market data across Polymarket and Alpha Arcade, including cross-venue arbitrage gaps where the same outcome is priced differently.

Stablecoin peg monitor and depeg alerts ($0.002): peg of USDT, USDC, DAI, USDS, USDe, PYUSD, GHO, crvUSD, RLUSD, USD1 and FDUSD from Ethereum DEX prices, depth ($100k sale impact) and Chainlink, with a status (PEGGED, WATCH, DEPEG, THIN_MARKET). Refreshed every 5 minutes. Use before holding or routing through a stablecoin.

Stablecoin flows, minting and redemptions: net USDC, USDT, USDT0 and USDG issuance (mint minus burn read on chain) for 24h and 7d, per chain, the hourly series of 48h and a NET_ISSUANCE/NET_REDEMPTION signal. Use to see whether fresh dollars are entering or leaving crypto.

Get what a trip-planning agent needs before it books, in one call: weather and 3-day forecast, local currency with live FX from USD, and a scam check on the booking site before it pays. Input: ?city=Athens&date=2026-11-20&currency=EUR&booking=hotel-site.com&budget=1500

Verify asset, payment, delivery and transfer restrictions as one transaction

Scan an entire public GitHub repo for malicious AI-skill/supply-chain patterns. Requires `repo`. No repo in mind? POST /audit/registry runs this same scanner over the newest servers in the official MCP registry: no input required, $0.005.