Explore APIs

Official public holidays by country and year, with regional subdivisions, localized names and normalized dates.

Live sports scores: get today's scores, game status and final results for NFL, NBA, MLB, NHL and soccer matches by league and date. Test endpoint.

Use to check what common building materials cost on the shelf in the Rio Grande Valley (McAllen, Mission, Edinburg): 2x4 and 2x6 studs, OSB, drywall, concrete mix, CMU block, rebar, shingles, underlayment, housewrap, insulation, paint, doors, deck screws. Dated prices at big box stores and a local yard, checked twice a week, for estimating or checking a bid. Not a quote. Example: "What does a shee

Mempool congestion: pending tx, size, usage — flat $0.001 per call, USDC on Base, no signup.

Current BTC price in USD

Japanese traditional calendar for a date: rokuyo (taian/butsumetsu... lucky days used for weddings, funerals, contracts), Japanese era (Reiwa) date, old lunisolar calendar date incl. leap months, 24 solar terms (sekki) and year eto. Verified against the National Astronomical Observatory of Japan.

Tests planar point containment with the even-odd rule. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age.

Food inflation dashboard with the headline category rate, movers and source-based context. Example: geo DE. Published periods and gaps stay visible. Official indices are not retail shelf prices.

Cast a paid vote for today's emoji election on emoji.today

Foresight API /v1/ask

Map a natural-language drug, diagnosis, or lab phrase to a current RxNorm, ICD-1

ShieldAPI - x402 security preflight before agents accept or store credential material

Counterparty pre-check for a Brazilian company: GET /preflight-cdp?q=<CNPJ (14 digits) | LEI code | company name>, e.g. ?q=68964713000109. Returns entity, status, band (clear/flagged/insufficient_data), flags and sources (Receita Federal, TCU, CNIA, CEIS, CNEP, CVM / GLEIF). Missing or invalid q = 400, no payment settled. — Mesmo dado do /preflight, liquidado pelo Facilitador CDP da Coinbase.

Matches a shipment reference against caller-supplied carrier patterns. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age.

Uses da/dt = -rho×sqrt(mu×a)/ballistic_coefficient for a circular orbit, holds density and ballistic coefficient constant, and linearly projects altitude over a bounded horizon. Real density changes rapidly with altitude and solar activity; the result is not a lifetime prediction or maneuver plan.

Compounds supplied rent and expense growth assumptions, applies vacancy and collection loss, subtracts operating expenses and capital reserve, and divides net operating income by a caller-supplied property value. This is scenario arithmetic, not a valuation, market forecast, investment recommendation, tax calculation or guarantee of income.

Skip the maze — clean, honest, trap-free access.

Beer, wine and cider alcohol by volume from original and final gravity, with both standard formulas and attenuation.

Age in years, months, days and days lived, Korean and East Asian ages, next birthday with leap-day rules, and zodiac.

South African Fuel prices (Current SA retail/wholesale fuel prices: petrol 93/95 (inland & coastal), diesel 50ppm, illuminating paraffin. Rand per litre.) Clean cited JSON with official source URL, effective date and freshness flag.

View component code after payment

Find US court cases, opinions and dockets naming a business, with case name, court, date, citation, docket number and nature of suit.

Inspect telecom carrier, network codes, and line type (mobile vs. landline vs. VoIP burner fraud detection) via Twilio. Provide ?phone=+14157012311.

Complex number arithmetic, modulus and argument, integer powers, square root and n-th roots, in rectangular and polar form.

Calculates release intervals and inactivity from current registry timestamps. Missing facts are returned as null and named in unavailable_fields where applicable. Derived values disclose their method; source-backed values disclose source, time window and age.

Run a fast live probe for one x402 endpoint and summarize challenge/payment-flow readiness.

Same as POST /facts with query strings: values of one XBRL concept as filed (end, start, val, unit, fy, fp, form, filed, accn, frame), newest first, optional form and unit filters.

BitBooth echo endpoint — pays a tiny USDC fee, returns a JSON echo. Reference implementation of the x402 + CDP Facilitator + Bazaar discovery loop.

Quick site check: HTTPS reachability, HTTP behaviour, certificate days remaining, and security header presence

watch-trends POST /socket/session