Crypto & Blockchain

Crypto Fear & Greed Index: current reading (0-100, Extreme Fear to Extreme Greed) plus 7-day and 30-day sentiment trend (rising/falling/flat with the average and point change), not just a single snapshot number. Not ticker-specific. Data from alternative.me. $0.01/call.

Day's biggest gainers and losers screened from the entire market, live from Yahoo Finance. Each mover includes ticker, company name, current price, intraday change amount and %, and volume — the market context every trader needs. Not ticker-specific. Supports optional limit per list (default 10, max 25). $0.01/call.

Top DeFi protocols by DEX trading volume, live from DeFiLlama: 24h/7d volume with % change, across ~1,300 tracked protocols. Optionally filter to one chain. Not ticker-specific. Supports optional limit (default 10, max 25). $0.01/call.

Horizon Pulse Signals - real RSI(14), MACD(12,26,9), Bollinger(20,2), and live perpetual funding rates for BTC/ETH/SOL. Transparent rule-based buy/hold/sell signal. No black box.

Horizon Pulse — real-time crypto market data + momentum signals (BTC/ETH/SOL) tuned for AI agents

List registered X accounts your wallet owns or has shared access to.

List pool-bought X accounts your wallet owns or has shared access to.

USD Coin

USD Coin

USD Coin

Latest live metrics including market cap and enterprise value.

Latest live metrics including market cap and enterprise value.

Real-time single-ticker price quote. Invalid or unsupported tickers return upstream 400/404; check /api/company/facts/tickers or endpoint-specific /tickers lists before batching.

ETF / index-fund holdings by fund ticker, or the funds holding a given security.

USD Coin

Score the risk and reputation of any EVM wallet address before you transact with it. Combines on-chain sanctions screening (Chainalysis oracle, TRM, OFAC) and GoPlus address-security flags (phishing, blacklist, mixer, malicious activity) with contract-vs-EOA detection, transaction history and balance into a 0-100 score and clean/suspicious/blacklisted tier. Use it for wallet screening, counterparty due diligence and KYT. Ed25519-signed. 0.01 USDC on Base.

Crypto ETF Sentinel — Quarterly aggregate AUM growth across the US spot crypto ETF cohort, bucketed by BTC / ETH / Other. Useful for sizing the crypto ETF market category and tracking quarter-over-quarter momentum.

Crypto ETF Sentinel — Activity feed of recent notable SEC filings + comment letters for US spot crypto ETFs (Bitcoin, Ethereum, Solana, XRP and more; last 60 days by default). Tracks S-1, 424B, 8-A12B, CERT, EFFECT and review correspondence. Stage-filtered to drop trading-stage housekeeping noise — a 'what's happening in crypto ETF regulation' heartbeat for monitoring agents.

Crypto ETF Sentinel — Crypto ETF AUM leaderboard: top-N US spot crypto ETF issuers ranked by assets under management (or another XBRL TIER1 concept). See the largest Bitcoin, Ethereum and other crypto ETFs by fund size, from daily-updated XBRL facts.

Crypto ETF Sentinel — Crypto ETF fee comparison: current expense ratio for every trading US spot crypto ETF, sorted cheapest first — compare fees and find the lowest-cost Bitcoin, Ethereum and other crypto ETFs. Outlier-capped at 200bps to drop bad XBRL extractions.

Crypto ETF Sentinel — Historical time series for one XBRL concept (AUM, NAV, shares-outstanding, etc.) on one US spot crypto ETF issuer. Quarterly cadence. Pass the issuer's SEC CIK as the ``cik`` query param.

Crypto ETF Sentinel — Week-over-week pipeline delta for US spot crypto ETFs: change in stage counts, filings-7d, under-review count vs. a prior daily snapshot. Returns 404 (no charge) when no snapshot exists for the requested ``days_back``.

Sentiment score (-1..1) and label for text, or for a crypto asset based on recent price action, via Claude Haiku.

Live profit-and-loss telemetry for a real production crypto grid-trading bot — exchange-ledger reconciled, fee-inclusive, updated continuously. Returns total P&L in USD plus a per-bot breakdown. For agents monitoring live automated-trading performance or benchmarking a strategy against real fills. Real money, not a simulation.