Moving average convergence divergence (MACD) for an asset slug.

Daily listed options open interest per instrument on Deribit, Bybit, Binance, OKX and Delta Exchange: venue, strike, expiry, option type, open interest in coins, mark implied volatility, underlying price and traded notional where the venue publishes it. History per venue: Deribit from 2026-08-06, Bybit and Binance from 2026-09-21, OKX and Delta Exchange from 2026-09-23; rows before those dates do not exist.

The chain clock on Base: latest block number and its timestamp, plus the node's current time and the lag between them. No parameters. No third-party API, no cache.

Read recent large ERC-20 transfers directly from Base, Ethereum, or Arbitrum by scanning Transfer logs over the most recent blocks and filtering by a minimum token amount. Defaults to USDC on Base. Public RPC providers cap the scan window, so this covers the most recent blocks rather than a long history, and it does not label exchange wallets.

Get "Token God Mode" (TGM) transfers data

Short squeeze score and long flush score, 0-100, for any Hyperliquid perp. Use when you need to answer: Is this trade crowded and about to hurt someone? Composite of Hyperliquid funding (35), whale crowding (25: the net-long share of the top 250 Hyperliquid accounts in the coin, not retail), the 24h open-interest build from our own 5-minute sampler (20) and liquidation skew from our own tape…

Academic literature from Crossref, the DOI registry itself. Search by topic, author or exact DOI and get normalised records with citation counts, journal, publisher, authors with affiliations, and an open-access flag, plus a cohort view: median citations, most-cited work and the year range. Filter by minimum citations, publication year or open access only.

Every one of the world's 100 largest banks scored on a single Bitcoin or digital-asset activity, ranked best to worst. Pass an activity in the path: custody, spot trading, ETF access, derivatives, margin lending, stablecoins, ETP issuance, blockchain infrastructure, tokenization, yield, balance-sheet holdings, licences, underwriting, advocacy, on-chain transparency or adoption depth. Answers: which banks actually offer this today. Free /activities lists all 16; an unmatched name is not charged.

Run a website due diligence and counterparty risk report with seven live checks in one call: DNS and RDAP registration, domain age, TLS, page metadata, technology fingerprint, hosting context, OFAC name screening, and GLEIF legal-entity lookup. Hosting context carries no threat score and an OFAC name match requires human review.

Historical market-cap series for an asset slug (capped data points).

Compute the date of Western (Gregorian) Easter Sunday for a year in 1583..9999 using the Anonymous Gregorian computus.

Looks up a CVE and returns the full NIST NVD vulnerability record. Short alias of cve-lookup: CVSS v3.1 + v2 vectors, severity, CWE class, affected CPE list, references, public-exploit indicator with reference URLs, and a bounded exploitability summary. Federal public data. Use it as a vulnerability lookup, NVD record fetch, CVSS scorer, vuln advisory fetch, exploit-known check, or patch-priority triage for Log4Shell-style records.

Skim Signal: entity formations — new film/TV production-company registrations from official registries in CA, NY, TX, NM, and the UK (production/post SIC codes only). Entity name, jurisdiction, filing date, registry ID, agent. Balanced across jurisdictions by default; ?jurisdictions= filter. New formations only. Refreshed every 6 hours.

$0.003/call. Extract text from an image — Tesseract, 10 languages, plain text out. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Get the list of Twitter/X users who follow a specific user. Returns up to 50 follower profiles per page with pagination support. Query params: id (string, required) - numeric Twitter user ID; next_token (string, optional) - pagination cursor, e.g. GET /users/followers?id=44196397. Returns X v2 API-compatible JSON.

Crypto Fear & Greed index — the market sentiment gauge (0 = extreme fear, 100 = extreme greed) with today's value, classification, and 7-day trend as JSON. Use for: crypto market sentiment, fear and greed check, contrarian signals, risk-on/risk-off timing, sentiment-driven trading. $0.001 USDC per call.

Get a list of tweets that quote a specific tweet. Returns paginated quote tweets with author profiles for a given tweet ID. Query params: id (string, required) - numeric tweet ID; next_token (string, optional) - pagination cursor, e.g. GET /tweets/quote_tweets?id=1110302988. Returns X v2 API-compatible JSON.

Generates product descriptions and e-commerce listing copy from a product name plus optional category, audience, attributes, and tone. Returns a ready-to-use description, selling points, key features, a positioning angle, and suggested listing titles. Copy stays within the product facts you send. Use it as a product description generator, e-commerce copywriter, product listing writer, or selling points API.

Looks up a person from an email, name, domain, or company and returns a normalized public-data record (alias of people-enrich). Includes inferred display name, free-email detection, MX records, and optional public company context. Public-data only; no private people databases or LinkedIn scraping. Use it as a people lookup, people API, or person lookup.

Funding rates per venue for one crypto perpetual, or the whole cross-venue set in one call. Major CEX and DEX venues — Binance, Bybit, OKX, Bitget, Gate.io, KuCoin, Hyperliquid, Paradex, Orderly, Lighter and more. Each row carries the venue's rate, its funding interval and the 8h-equivalent rate (venues quote on 1h/4h/8h, so raw rates are not comparable), plus canonical_id, asset_class and mark_price, so a ticker naming two unrelated assets is visible, not silently mixed.