Offline validation of intermodal container numbers per ISO 6346: owner code, equipment category (U/J/Z), serial and check-digit verification (mod-11 with power-of-2 weights). Catches transcription errors before a booking or B/L is filed. Query: ?container=CSQU3054383. Returns valid flag, parsed parts and the computed check digit. Deterministic, cached 1 year.

Deterministic ISIN check before routing an order or paying a market-data API: structure regex (2-letter country or XS/EU, 9-char NSIN, check digit) and the Luhn checksum over the base-36 expansion. Query: ?isin=US0378331005. Returns valid, country_code, nsin, check_digit and is_international. A corrupted ISIN means a rejected order or the wrong instrument. Pure offline computation, 1y cache.

Official Bank of Canada Valet observations, normalized JSON. Query: ?series=FXUSDCAD,FXEURCAD&recent=5 (1-10 comma-separated codes; FX pairs like FXUSDCAD/FXEURCAD/FXGBPCAD, overnight target rate V39079, prime rate V80691311). recent=N returns the last N daily observations (default 1, max 60). Primary-source CAD reference, published each business day; 6h cache.

Instant pre-validation of French company numbers before invoicing or costly Sirene API calls. Auto-detects SIREN (9 digits) vs SIRET (14 digits), applies the INSEE Luhn rule and the documented La Poste exception (356000000*: digit sum mod 5). Query: ?number=44306184100047 (spaces/dots/dashes tolerated). Returns valid, type, siren, nic and the rule applied. Pure offline computation, 1y cache.

Monthly HICP inflation as annual rate of change (%) from Eurostat dataset prc_hicp_manr, the official primary source. Query: ?geo=EA|FR|DE|EU27_2020 &coicop=CP00 (all items) | CP011 (food) | CP045 (energy) &last_n=12 (1-24 months, default 1). Returns date-sorted observations plus the latest print; 24h cache. Data: Eurostat, CC BY 4.0.

Validated RLUSD issuer obligations, XRP/RLUSD order-book spread and crossed-book state, and AMM/DEX price agreement for stablecoin-infrastructure buyers. Purpose: Give stablecoin-infrastructure buyers RLUSD issuer-supply and XRP/RLUSD liquidity evidence without implying a directly observed USD peg reading. 1-hour freshness target; missing evidence is reported explicitly rather than invented.

Official US Treasury Reporting Rates of Exchange: the legal USD conversion rates required for FBAR/8938 filings and US federal accounting, covering ~170 currencies including exotics absent from ECB feeds. Query: ?currencies=Euro Zone-Euro,Japan-Yen (optional, all if omitted) and ?date=YYYY-MM-DD (latest quarterly rate at or before that date, default today). Returns units of foreign currency per 1 USD. Source updates quarterly; served with a 7-day cache.

Who bought and who sold this token ($0.01): top buyers and sellers of any ERC-20 in the last hour on Base, Ethereum, Arbitrum, Optimism or Polygon, each the wallet that signed the swap, with net USD, buys and sells, a label from tracked PnL (SMART_MONEY, PROFITABLE, UNTRACKED), a bot flag, unique wallets and smart-money net flow. Use to see which wallets drive a token.

Honeypot check for any token ($0.02): can it be sold after you buy? Simulated sell and buy on chain, owner and proxy, mint, blacklist, pause and fee functions, liquidity, LP burn and buy tax on Base, Ethereum, Arbitrum, Optimism and Polygon; mint and freeze authority on Solana. Verdict and 0-100 safety score.

Modal — Run a command in a running sandbox and return its output.

Convert a web page URL into clean markdown.

Annualised realised-volatility estimates over retained 1-hour, 24-hour and 7-day Bitcoin observation windows with minimum-history and coverage gates. Purpose: Compare short and longer Bitcoin realised-volatility horizons using retained point-in-time observations without substituting options implied volatility. 5-minute freshness target; missing evidence is reported explicitly rather than invented.

Rug check for any token ($0.01): is this token a rug pull or scam? Short verdict LOW_RISK, CAUTION or HIGH_RISK with a 0-100 safety score, one plain sentence, can it be sold, buy tax, liquidity, owner control and the top three risks, for a contract on Base, Ethereum, Arbitrum, Optimism, Polygon or Solana.

Trading decision for a crypto asset or stock ($1): every dataset (order flow, technicals, smart money, SEC fundamentals, insiders, perp positioning, market risk, news) aggregated by rules into an action with conviction, evidence per pillar, a volatility-sized trade plan and what would change the view. Free live hit rate at /api/v1/decision/track-record. No symbol = market-wide stance.

Paginated transfers where merchant is recipient

Compares ETH, SOL, XRP, LINK and DOGE trading activity, source coverage and cross-source price agreement without claiming order-book depth. Purpose: Rank the observable quality of major-alt market evidence and trading activity, explicitly distinguishing it from executable liquidity. 5-minute freshness target; missing evidence is reported explicitly rather than invented.

$0.003/call. Render HTML to PDF — sandboxed headless Chromium, print-quality output. 1¢ x402 min; remainder auto-credits — relaystation.ai/penny

Access to api/v2/addresses/:address_hash/internal-transactions. List all internal transactions involving a specific address

Apify — Tweets by search term, handle, or conversation.

Token price by contract address, live from the chain ($0.001): USD price of any ERC-20 on Base, Ethereum, Arbitrum, Optimism or Polygon from a simulated $100 buy and sale on the best DEX route (Uniswap v2/v3/v4, Aerodrome), with buy and sell price, round-trip cost as a liquidity gauge, total supply and fully diluted value. Use for the current price of any token, including ones too new for price APIs.