Legal entity reference data from the GLEIF LEI golden copy (updated daily, CC0). Direct lookup: ?lei=529900FCMZ4LKXFD0R69. Search: ?name=airbus&country=FR&limit=5. Each result: lei, legal_name, entity_status, registration_status (ISSUED/LAPSED), jurisdiction, legal_form_id, hq_city/country, next_renewal_date. 24h cache.

Annual macroeconomic series from the World Bank Indicators API, normalized JSON. Query: ?country=USA&indicator=FP.CPI.TOTL.ZG&years=5 (ISO3 country code; common indicators: FP.CPI.TOTL.ZG inflation %, NY.GDP.MKTP.CD GDP current US$, GC.DOD.TOTL.GD.ZS gov debt %GDP, SL.UEM.TOTL.ZS unemployment %). Returns the last N years with values, newest first. 200+ countries; 24h cache.

Daily river discharge forecast from the Copernicus GloFAS model (5 km grid) served via Open-Meteo Flood API, data CC-BY 4.0. Query: ?latitude=45.75&longitude=4.85&forecast_days=7 (1-210 days; daily=river_discharge,river_discharge_max for extra variables). Returns ISO date + m3/s arrays -- flood risk, inland shipping (Rhine/Danube) and hydropower planning. 6h cache.

Irish company registry search on CRO open data (opendata.cro.ie, daily snapshot of the Companies Registration Office register). Query: ?q=ryanair (full-text name search) or ?q=249885 (company number), optional limit (1-10, default 3). Returns company number, name, status, type, registration and dissolution dates, registered address, NACE code, last annual return and accounts dates. Company data only. CC-BY 4.0. 24h cache.

Who owns whom, from the official GLEIF LEI graph (CC0 licensed, covers 2.5M+ legal entities worldwide). Query: ?lei=5493001KJTIIGC8Y1R12. Four GLEIF lookups in one call: entity name and status, declared direct parent, ultimate parent, plus the total count and a 10-entity sample of direct children. Unknown LEI returns found=false. 24h cache.

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.

Offline validation of product barcode numbers: EAN-8, UPC-A, EAN-13 and GTIN-14, using the GS1 mod-10 weighted checksum. Catches corrupted GTINs in supplier catalogs before marketplace publication (Amazon/Google reject invalid GTINs). Query: ?gtin=4006381333931. Returns valid flag, detected format, GS1 member-org prefix and the computed check digit. Deterministic, cached 1 year.

Official Norwegian company registry (Enhetsregisteret) via data.brreg.no, Bronnoysund Register Centre. Query: ?q=equinor or ?q=923609016 (name or 9-digit orgnr), optional size (1-10, name search). Returns orgnr, legal form, NACE code, business address, registration date, employees, VAT registration, bankruptcy and liquidation flags per company. NLOD 2.0 licensed, personal data stripped. 24h cache.

Nord Pool day-ahead electricity spot prices (EUR/MWh, 15-min resolution) for the ee, fi, lv and lt bidding zones, from the Estonian TSO Elering's open-data API. Defaults to the last 24h; ?start=&end= (ISO 8601 UTC, max 7 days) select a window, ?zone=fi filters one zone. Day-ahead prices publish once daily; served with a 1h cache.

Real browser-side adoption signal from the official jsDelivr Stats API: global CDN hit rank, rank within npm, total hits over the period, previous-period comparison and a derived trend (up/down/flat, lower rank = more popular). Query: ?pkg=react&period=week (period: day, week, month, year). Complements npm download counts; cached 6h.

One merged call instead of two: latest-version metadata from the official npm registry plus last-week download count from api.npmjs.org (both live). Query: ?pkg=react (scoped names like @scope/name accepted). Returns version, license, deps_count + dependency names, engines, weekly_downloads. No personal maintainer data. 1h cache.

Headline national CPI, year-on-year growth rate (%), monthly, from the official OECD SDMX API (dataset DSD_PRICES@DF_PRICES_ALL). Complements Eurostat HICP with USA, GBR, JPN, CAN and other OECD economies under one methodology. Query: ?country=USA (REF_AREA code) &last_n=12 (1-24 months, default 1). Returns date-sorted observations plus the latest print; 24h cache. Recency varies by country; series older than 18 months are refused (502, not charged). Data: OECD, CC BY 4.0.

Real-time oracle prices from Pyth Network (Hermes API): aggregate price, confidence interval (uncertainty band), EMA price and publish_time per asset, all vs USD. Query: ?symbols=btc,eth,sol (1-8 of: btc, eth, sol, bnb, xrp, ada, avax, doge, link, dot, usdc, usdt). Cross-check against CEX spot to detect oracle/spot divergence. 30s cache.

Polish company due diligence in one call, combining Biala Lista VAT (Ministry of Finance) and the KRS court registry. Query: ?nip=7740001454 or ?krs=0000028860 (digits only). Returns VAT status, name, REGON, KRS, address, government-verified bank accounts (anti-fraud), plus legal form, share capital and registration date from KRS. Personal data stripped (GDPR). 24h cache.

Open markets on Kalshi, the CFTC-regulated US event exchange, most-traded first: ticker, title, live yes bid/ask (USD, 0-1), mid-quote implied probability, 24h volume, open interest and close time, from the public Trade API v2. Query: ?series=KXBTC (optional series_ticker filter, e.g. KXBTC, KXCPIYOY) &limit=1-25 (default 10). JSON, 5min cache. Cross-reference /v1/predict/polymarket for venue spreads.

Top open Polymarket prediction markets for a topic, ranked by 24h volume: event title, end date, and per-market outcome probabilities (0-1) with USD volume, from the public Gamma API (live on-chain odds). Query: ?tag=crypto|politics|economy|fed|... (any Polymarket tag slug) &limit=1-10 (default crypto, 5). JSON, 5min cache.

Latest-release metadata from the official PyPI JSON API (live): version, license, requires_python compatibility, requires_dist dependency specs (max 100), yanked flag, last upload time and project URLs. Query: ?pkg=requests. No personal author/maintainer data. 1h cache.

Screen a name against the five official sanctions lists (EU, US OFAC SDN, UN, UK FCDO, French asset freezes) from a snapshot refreshed daily, with per-list dates. Query: name=NAME (optional threshold=0.6-1.0, lists=eu,ofac,un,uk,fr). Returns scored matches with entity type and programs, and a verdict: match, possible_match or no_match.

Hourly sea-state forecast from Open-Meteo Marine wave models: wave height/direction/period, wind waves and swell, up to 7 days, UTC. Query: ?port=marseille|ajaccio|nice|... (12 Mediterranean presets) or ?latitude=43.3&longitude=5.4, plus ?days=1-7 (default 2). Includes a summary block (max wave height next 24h / full horizon). 1h cache. For sailing go/no-go, port ops and routing.

Official Slovak business registry (RPO) search via api.statistics.sk (Statistical Office of the SR). Query: ?q=31333532 (8-digit ICO) or ?q=eset (name; historic names also match, current-name hits rank first). Optional active_only=true, limit 1-5. Returns per entity: ICO, current name, legal form, address, source register, establishment/termination dates. Personal data of individual entrepreneurs is stripped (GDPR). 24h cache.

Historical daily solar irradiance and weather series from NASA POWER for any lat/lon: ALLSKY_SFC_SW_DWN (kWh/m2/day), T2M (deg C), WS10M (m/s) and other POWER codes. Query: ?latitude=48.85&longitude=2.35&start=20260601&end=20260630&parameters=ALLSKY_SFC_SW_DWN,T2M. Coverage 1981..present (few days lag), max 366 days per call, -999 marks missing days. 24h cache. Sized for PV project due diligence, agrivoltaics and off-grid design.

Latest 1-minute estimated planetary Kp index from NOAA SWPC, with a boolean storm flag (estimated_kp >= threshold, default 5 = G1 storm). Query: ?last=1..60 (trailing minutes returned in 'series'), ?threshold=0..9. Signals GPS/GNSS degradation, satellite drag, HF blackouts and grid stress. 60s cache.

Upcoming space launches worldwide from Launch Library 2 (The Space Devs): launch window (NET, window start/end), provider, pad and location, mission name/type/orbit, go/TBD status. Query: ?limit=10&search=falcon&provider=SpaceX&net_gte=2026-08-01&net_lte=2026-09-01 (all optional). Served from a 1h cache (upstream is rate-limited); count field gives the full upcoming total.

Depeg monitor for USD stablecoins (USDT, USDC, DAI, FDUSD, TUSD, USDe, PYUSD): DeFiLlama market-aggregate price per coin, converted to a deviation from 1.0 in basis points, with a depeg_alert flag (triggered beyond 50 bps) and the worst deviation across the set. Query: symbols=USDT,USDC,DAI (max 8, default shown). JSON, 60s cache. Derived risk signal, not a raw feed.

Circulating supply per stablecoin from DeFiLlama with computed net flows (delta_24h/delta_7d/delta_30d = net mint minus burn), peg type, peg mechanism and current price. Query: ?symbol=USDT for one asset, or ?top=10 (1-50, default 10) for the largest by supply. Served with a 30min cache.

Current wall-clock time for any IANA timezone, resolved live by timeapi.io (IANA tz database, includes DST rules). Query: ?tz=Europe/Paris (or America/New_York, Asia/Tokyo...). Returns ISO datetime, date, time, day_of_week and dst_active flag. Served with a 60s cache.

Official UK Companies House data in one paid call. Search: ?q=tesco returns matching companies (number, status, type, incorporation date). Profile: ?number=00445790 returns the full profile PLUS current officers and PSC (persons with significant control, the UK quasi-UBO register): names, roles, natures of control, plus risk flags (insolvency history, charges, overdue filings). Statutory register data, minimized. 24h cache.

Total US public debt outstanding from the official Treasury Debt to the Penny dataset (FiscalData API, published every business day ~3pm ET). Query: no params -> latest data point; ?limit=30 (1-100, newest first) and ?since=2026-01-01 (record_date floor) for history back to 1993. Returns per day the debt held by the public, intragovernmental holdings and total, in USD. Cached 6h.

As-filed XBRL fundamentals for any SEC-registered company, straight from the EDGAR companyconcept API (updated as filings are accepted). Query: ?cik=320193 (Apple) &tag=Revenues|Assets|NetIncomeLoss|EntityCommonStockSharesOutstanding... &taxonomy=us-gaap|dei (default us-gaap) &limit=N most recent facts per unit (1-40, default 8). Each fact carries period, value, fiscal year/period, form type and filing date, grouped by unit (USD, shares...). Served with a 12h cache.

Monthly average interest rates the US Treasury pays on its outstanding securities, from the official FiscalData API (Average Interest Rates dataset, updated monthly). Query: ?security=Treasury Bills (exact security_desc, optional; e.g. Treasury Notes, Treasury Bonds) &since=2026-01-01 (optional record_date floor) &limit=12 (1-100, newest first). Returns record_date, security type/name and avg rate in percent. Cached 24h.

Active weather alerts from the US National Weather Service (NOAA, public domain, real-time feed). Query: ?area=CA (2-letter state code) or ?point=34.05,-118.24; optional severity=Extreme|Severe|Moderate|Minor and event='Tornado Warning'. Returns up to 50 normalized alerts: event, severity, urgency, headline, affected areas, onset/expiry. count=0 means no active alert matches. 2 min cache.

Deterministic BIC/SWIFT check before an international payment: ISO 9362 structure (4-letter bank, 2-letter country, 2-char location, optional 3-char branch) plus a real ISO 3166-1 country-code verification. Query: ?bic=BNPAFRPP or ?bic=DEUTDEFF500. Returns valid, parsed parts and is_test_bic (8th char '0'). Pairs with /v1/validate/iban for country-consistency checks. Pure offline computation, 1y cache.

One-call email verification for lead qualification and list hygiene: RFC 5322 syntax check, then a live MX lookup over DNS-over-HTTPS (Cloudflare, Google fallback). Detects non-existent domains (NXDOMAIN), null-MX domains that refuse mail (RFC 7505), and returns prioritized MX hosts. Query: ?email=someone@example.com. Verdict: deliverable | risky | undeliverable. 1h cache per address.

Deterministic IBAN check before a SEPA/international transfer: format regex, per-country length (public SWIFT registry, ~85 countries) and ISO 7064 mod-97 checksum. Query: ?iban=FR1420041010050500013M02606 (spaces/dashes tolerated). Returns valid, country, bban, and a precise failure reason. Pure offline computation, 1y cache.

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.

Deterministic Legal Entity Identifier check for regulatory reporting pipelines (EMIR, MiFID II require a valid LEI per counterparty): structure regex and ISO 7064 mod 97-10 checksum over the 20-char code. Query: ?lei=HWUPKR0MPOU8FGXBT394. Returns valid, lou_prefix, entity_part and a failure reason. Filters typos before hitting the GLEIF registry (see /v1/global/lei for the live record). Pure offline, 1y cache.

Decodes a Vehicle Identification Number through the official US regulator's vPIC database (public domain): make, model, year, body class, engine, transmission, GVWR and assembly plant. Query: ?vin=1HGCM82633A004352 (partial VINs with '*' accepted, optional &model_year=2003). error_code/error_text carry vPIC's structural verdict. Static reference data, 24h cache.

Deribit DVOL index (30-day annualized implied volatility from the options order book) for BTC or ETH, delivered as a risk signal: current level, 24h change, and min/max/percentile over a lookback window. Query: ?asset=BTC|ETH&window=7d|30d|90d (defaults BTC, 30d). JSON, 5min cache. Derived from Deribit public volatility-index candles.

Full list of official public holidays for one country and year, from the Nager.Date registry (100+ countries, legally accurate dates). Query: ?country=FR (ISO 3166-1 alpha-2, required) &year=2026 (1975-2077, defaults to current year). Returns date, English + local name, nationwide flag, regional counties and holiday types per entry. Cached 24h.

Hourly weather forecast for any point on Earth from Open-Meteo (blend of ECMWF/GFS/ICON models, refreshed hourly; data CC-BY 4.0). Query: ?latitude=48.8566&longitude=2.3522&hourly=temperature_2m,precipitation,wind_speed_10m&forecast_days=2 (1-16 days, ~80 hourly variables available, optional daily= aggregates and timezone=auto). ISO 8601 time arrays + units. 15 min cache.