Crypto & Blockchain

Bitcoin mempool stats + recommended fee rates (sat/vB) from mempool.space (free, no API key). Block height, pending tx count, fastest/30min/1hr/economy fees.

Historical price and volume chart for any crypto token (up to 365 days) via CoinGecko — candlestick-ready OHLCV data, no API key.

GitHub developer activity for any crypto project — commits, stars, forks, PRs, code additions/deletions via CoinGecko.

Top trending crypto coins + NFTs by search volume (CoinGecko, free, no API key). Price, 24h change, sparkline, market cap rank.

DeFi global market overview: total DeFi market cap, ETH ratio, 24h trading volume, DeFi dominance, top DeFi coin via CoinGecko.

USD Coin

USD Coin (Compliant Wrapped V2)

Live DEX liquidity pools on Ethereum mainnet from GeckoTerminal — Uniswap V3, Curve, Balancer, SushiSwap and 1800+ DEXs. Pool token pair, TVL USD, 24h volume, fee tier, APR. AI agent ETH liquidity finder, DeFi pool API, arbitrage scanner.

Daily EUR foreign-exchange reference rates (source: European Central Bank). Returns the latest ECB reference rate for any supported currency vs EUR, plus cross-rate conversion between two non-EUR currencies.

USD Coin

Cached signal history for one asset (?asset=BTC, up to 50 rows): timestamped sentiment %, stance, divergence flags and narratives — backtest-ready analyst history no raw data API sells. Descriptive research, not financial advice.

Cross-exchange cryptocurrency arbitrage opportunities. Find best buy/sell prices across major exchanges.

Real-time arbitrage spreads between tokenized securities and actual stock prices. Identify premium/discount opportunities.

Token security / honeypot detector for a Base mainnet ERC-20: EIP-1967/1822 proxy + upgradeability detection, bytecode dispatcher scan for mint/pause/blacklist/fee-setter/ownership selectors, owner() renouncement check, and a live eth_call state-override simulation testing whether a synthetic wallet can actually transfer() the token. Returns risk_score (0-100) + verdict (clear/review/block) + human-readable flags.

New US Energy Information Administration observations of US regular gasoline price. (Requires EIA_API_KEY; no-ops until set.)

Perpetual futures market data from the Hyperliquid public API: mark and oracle price, hourly and annualised funding rate, open interest, 24h volume and max leverage per market, sorted by volume. Query: coin (optional, e.g. BTC) or top=N. Source and timestamp in every answer, 10 s cache. $0.005 per call, signed receipt included.

FINNPUTER deep token safety scan (clusters + forwarded supply)

美国宏观跨源派生情报 — 美国宏观跨源派生情报（derived intelligence）：跨 Fed/Treasury/Gold/CPI/Macro 多源合成实际利率、收益率曲线形态、宏观状态(goldilocks)、实际金价、财政付息压力、通胀状态、政策立场、增长动能，每项带完整 L4 溯源。

Heuristic Solidity risk scan: pattern-level red flags for a contract address (verified source via Sourcify) or raw source. Honest scoping: a fast pre-audit, not a formal security audit.

Crypto-to-bank off-ramp: get the recipient bank-detail fields required to pay out (cash out) in a given currency when selling USDC to fiat. Returns dynamic field descriptors (text/select/radio/date) with validation rules and allowed values, grouped by account type. Empty-key placeholder options are stripped. Use this to know which bank details to collect before creating a payout recipient. Pay 0.01 USDC.

Mint the first NFT by x402

Upcoming crypto events — token unlocks, protocol upgrades, governance votes, mainnet launches, conferences.

Security analysis for any ERC-20 token contract

CoinStats global cryptocurrency market data — total market cap, 24h volume, BTC dominance, % changes