Solve implied volatility from an observed option price using Black-Scholes, with delta, vega, a volatility regime label and the pricing error
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Norwegian krone exchange rates from Norges Bank - official daily NOK rate for any currency with recent history and day-over-day change
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Search the WordPress.org theme directory - version, author, rating, downloads, active installs, last update, PHP and WordPress requirements and preview link
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French company register lookup - search Sirene by name or SIREN for legal form, activity code, status, address, headcount band and revenue
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Ethereum Layer 2 ranking - L2BEAT total value secured, share, 7-day change, stage, category and stack for Base, Arbitrum, Optimism and 90+ rollups
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Moon phase name, phase angle and illumination percent plus moonrise, moonset, highest and lowest points for any location and date, from MET Norway
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Airport METAR weather - decoded current conditions, flight category (VFR/IFR), wind, visibility, ceiling, altimeter and raw report for up to 5 ICAO airports
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NOAA SPC local storm reports for today or yesterday - tornado, damaging wind and hail reports with location, time, magnitude and state counts
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Search Dryad open research datasets by topic - DOI, title, authors, abstract, field of science, publication date, size, license and download page
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ASN network lookup - holder, announced IPv4 and IPv6 prefix counts, peering policy, exchange points and facilities for any AS number (RIPEstat and PeeringDB)
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XRP Ledger account lookup - XRP balance, estimated reserve and spendable amount, owned objects, destination tag and deposit rules and other account flags
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Current NSW Rural Fire Service major incidents - alert level, status, type, council area, size in hectares, agency, location and totals by level
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