Crypto & Blockchain

BTC/USD spot-futures basis and annualized carry across 5 exchanges — Ed25519 signed attestation

Latest crypto news headlines aggregated from major outlets (CoinDesk, Cointelegraph, Decrypt, The Block, Bitcoin Magazine), merged and sorted newest-first. Query: limit (1-50, default 20), source (optional outlet filter). Each item: title, link, source, published, summary. Use for market-news monitoring loops and sentiment pipelines.

Scan a public domain with nuclei (OSS) for exposed vulnerabilities and get a prioritized report: findings by severity, top matches, and a verdict an agent can act on. Runs as a governed on-demand docker job (one at a time, memory-capped).

Whole-market snapshot: total crypto market cap, total 24h volume, BTC dominance, and counts of active coins and markets. One call for the macro state of crypto — the top-of-funnel context before drilling into an asset.

Given a Base address, check ETH/USDC balance, transaction activity, and contract status, with a low-risk/review/caution verdict for pre-payment counterparty screening.

Returns European Central Bank reference rates through frankfurter.dev: one base currency against the symbols you name, each with the value date the rate belongs to. Optionally a comparison date is fetched too and the change per currency is computed in percent, so a move is visible without a second call. Cross rates between two non-euro currencies are derived through the base and marked as derived.

Cross-source crypto news intelligence with impact scoring, token mapping, and anomaly detection.

Tickers supported by the historical /prices endpoint.

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.

Tickers with earnings coverage.

Tickers supported by the metrics snapshot endpoint.

Tickers supported by the historical /prices endpoint.

Available ETF / index-fund tickers.

Tickers supported by the snapshot endpoint.

Scans BTC+ETH+SOL perp regimes simultaneously. Returns highest-confidence setup with signal_alignment, edge, invalidation_conditions, market_bias. Layer 3 Oracle Intelligence. — Ed25519 signed attestation

See what AI models say about a brand right now. Runs category and reputation prompts across multiple AI engines (one web-grounded), then reports whether the brand is mentioned, its position vs competitors, sentiment, the exact descriptors used, gaps, and concrete recommendations. JSON report.

Volatility and drawdown risk regime for a crypto asset — current ATR percent versus its 30-day p80 baseline, labeled low/med/high, extending the same classifier behind /regime. For agents sizing positions or deciding whether to widen stops given current volatility.

Earnings calendar for upcoming US stock reports — earnings date, EPS estimate, pre/post-market timing. Filter by ticker for per-company lookups, or scan a date window (1–90 days ahead) for calendar-driven research automation. Data: Alpha Vantage 3-month calendar, cached 2 hr.

Risk screening for EVM wallet addresses. Returns a 0–100 risk score and individual flags: sanctions (OFAC/other), phishing activity, cybercrime, money laundering, darkweb transactions, mixer usage, stolen funds, fake KYC, and 12 more categories. Sourced from GoPlusLabs (free, no key, chain_id optional — defaults to checking cross-chain). Use before sending funds to an unknown address, before accepting a payment, or when validating a counterparty wallet in a DeFi workflow. Distinct from evm-toke

Classify text (and optional image URLs) for harmful content — hate speech, harassment, self-harm, sexual content, violence, and illicit instructions. Returns flagged status, risk level (NONE/LOW/MEDIUM/HIGH), flagged categories, per-category confidence scores, and an optional AI-generated safe rewrite.

Returns historical OHLCV (open/high/low/close/volume) candlestick data for a stock, ETF, or index. Supports intervals from 1-minute to monthly and ranges from 1 day to max history. Use for chart analysis, trend detection, and quantitative backtesting. $0.010/call — free upstream, no API key.

Seven-lens systems theory analysis of the Bitcoin network. Returns: (1) difficulty feedback loop state + regulator lag, (2) mempool stock-flow ratio and queue depth, (3) confirmation delay at economy/priority fee tiers, (4) fee nonlinearity index and hash-rate growth curvature, (5) Nakamoto coefficient (min pools for 51% consensus), (6) self-organization score for fee market equilibrium, (7) HHI mining concentration index and decentralization grade A–F. Sourced from mempool.space — no API key r

Multi-chain DeFi portfolio scanner. Returns token holdings and USD values for any EVM wallet across Ethereum, Base, Polygon, and Arbitrum mainnet. Covers ETH, major stablecoins (USDC, USDT, DAI), WBTC, ARB, cbETH, and chain-native assets. Collapses the defi.hugen.tokyo/defi/address seam — 41 payers. $0.010/call.

Real-time movers and volume-spike leaders across all KRW-denominated markets on Upbit (South Korea's largest crypto exchange). Returns top risers, top fallers, and top volume leaders ranked by 24h change or accumulated trade value. Korean exchange data is a leading indicator frequently observed by institutional agents — the 'kimchi premium' and local retail sentiment often precede global price moves. Free upstream source (Upbit public API), covers 260+ KRW markets.