API marketplace

The Unicode Character Database (UCD) as an API. Resolve ANY codepoint (0..10FFFF, including the CJK and Hangul ranges) to its name, general category, block and script — plus the literal character, HTML entity (😀), CSS escape and UTF-8/UTF-16 byte sequences. Pass a hex codepoint (e.g. 1F600 → 😀 GRINNING FACE) or a literal character (?char=€). Search 40,000+ named characters by name (e.g. "heart", "arrow"), filter by category or block, and browse all 346 Unicode blocks. Ideal for text-processing tools, emoji pickers, editors, internationalization and developer utilities.

Uptime

100.0%

Latency

77ms

Subs

4,787

The Google Fonts catalogue as an API — 1,900+ open-source font families with everything you need to pick and embed a typeface. Look up a family (e.g. Roboto → category, available weights, variable-font axes, subsets and a ready-to-use CSS embed URL); search by name, category (Sans Serif, Serif, Display, Handwriting, Monospace), subset, weight or variable-font support; or list the most popular families. Each record carries the weights/styles, variable axes (wght, wdth, …), language subsets, designers, popularity rank and a Google Fonts CSS2 embed URL. Ideal for design tools, website builders, font pickers and theming systems.

Uptime

100.0%

Latency

80ms

Subs

4,223

The NGA World Port Index (WPI / Pub 150) as an API — 3,800+ maritime ports across 195 countries. Look up any port by its WPI number (e.g. 31140 → Rotterdam) or UN/LOCODE (e.g. NLRTM); search by name, country, harbor size or water body; or find every port within a radius of any coordinate (great-circle distance). Each record carries the UN/LOCODE, country, coordinates, harbor size and type, channel/anchorage/pier depths, maximum vessel length and draft, plus facility flags (container, oil/LNG terminal, ro-ro, dry dock, …). Ideal for shipping, logistics, maritime and supply-chain tools.

Uptime

100.0%

Latency

79ms

Subs

3,415

The WRI Global Power Plant Database as an API — 34,900+ power stations across 167 countries (~5,700 GW total capacity). Look up any plant by its WRI/GPPD id (e.g. WRI1000452 → Three Gorges Dam, 22,500 MW hydro); search by name, country, fuel type or capacity range; or find every power station within a radius of any coordinate (great-circle distance, optional fuel filter). Each record carries the installed capacity (MW), primary fuel (Solar, Hydro, Wind, Gas, Coal, Nuclear, …), country, latitude/longitude, commissioning year and owner. Ideal for energy dashboards, ESG/climate analytics, grid and infrastructure tools.

Uptime

100.0%

Latency

81ms

Subs

4,717

The Smithsonian Global Volcanism Program (GVP) Holocene volcano list as an API — 1,215 volcanoes active within the last ~10,000 years. Look up any volcano by its GVP number (e.g. 211020 → Vesuvius) or name; search by name, country, type or region; or find every volcano within a radius of any coordinate (great-circle distance). Each record carries the volcano type, last-known eruption year, country/region, latitude/longitude, summit elevation, tectonic setting and a geological summary. Ideal for natural-hazard dashboards, travel/geography apps, education and earth-science tooling.

Uptime

100.0%

Latency

75ms

Subs

4,272

The CelesTrak satellite catalogue (SATCAT) as an API — 33,000+ catalogued payloads and rocket bodies in (and decayed from) Earth orbit. Look up any object by its NORAD catalogue number (e.g. 25544 → ISS (ZARYA)) or international designator (e.g. 1998-067A); search by name with filters for owner/country, object type and in-orbit status; or list every operator with object counts. Each record carries the operational status, launch date and site, decay status, and orbit (period, inclination, apogee/perigee). Ideal for space dashboards, satellite trackers, OSINT and educational tools. (Catalogued averages, not live ephemeris/TLE.)

Uptime

100.0%

Latency

86ms

Subs

3,382

VAT, GST and sales-tax rates for 128 countries — plus US state and Canadian province sub-rates — with a built-in tax calculator. Get the standard rate for any country (e.g. DE → 19%), compute the tax and gross total on a net amount (e.g. €100 in Germany → €19 tax, €119 total), apply a US state or Canadian province rate, or list every country. Ideal for e-commerce checkouts, invoicing, SaaS billing and pricing tools. (Standard rates, not tax advice.)

Uptime

100.0%

Latency

74ms

Subs

4,219

The ICD-10-CM diagnosis code system as an API — 71,000+ International Classification of Diseases (10th revision, Clinical Modification) codes used in healthcare, billing and insurance. Look up any code (e.g. E11.9 → Type 2 diabetes mellitus without complications), search the classification by condition, or browse every code in a 3-character category. Ideal for EHR/EMR systems, medical billing, claims and health-tech tooling.

Uptime

100.0%

Latency

79ms

Subs

4,258

The World Customs Organization Harmonized System (HS) as an API — 6,900+ commodity classification codes used for customs, tariffs and international trade. Look up any HS code (2-digit chapter, 4-digit heading or 6-digit subheading) with its description and full ancestor chain, search the nomenclature by product, or drill into the sub-codes of a code. Ideal for logistics, customs, e-commerce and trade-compliance tooling.

Uptime

100.0%

Latency

80ms

Subs

4,098

Explore 6,200+ confirmed planets orbiting other stars, from the NASA Exoplanet Archive. For each exoplanet get its host star, discovery method, year and facility, orbital period, radius and mass (relative to Earth), distance in light-years and equilibrium temperature. Look one up by name, search and filter by discovery method or year, or list every planet in a host system (e.g. TRAPPIST-1). Great for astronomy, education and space apps.

Uptime

100.0%

Latency

74ms

Subs

4,916

A catalogue of 9,000+ stars — every named star plus all naked-eye stars to magnitude 6.5 — from the HYG database. Look up a star by name, search and filter by constellation and brightness, list the brightest stars (overall or per constellation), and browse all 88 constellations. Each star includes its constellation, apparent and absolute magnitude, spectral class, distance in light-years and coordinates. Great for astronomy, education and stargazing apps.

Uptime

100.0%

Latency

79ms

Subs

4,186

A reference for 800+ programming, markup and data languages, built from the GitHub Linguist dataset. Detect which language a file extension belongs to (e.g. .rs → Rust), look up a language by name or alias, get its type, brand color, file extensions and aliases, and search or list by type. Ideal for code editors, syntax tooling, repo analyzers and language badges. (Programming languages — not spoken languages.)

Uptime

100.0%

Latency

81ms

Subs

4,089

Explore 4,100+ dinosaur genera from the Paleobiology Database. For each dinosaur get the geologic period it lived in (Triassic, Jurassic or Cretaceous), its age range in millions of years, the stratigraphic intervals and who first named it. Look one up by name, search the catalogue, filter by period, or get a random dinosaur — perfect for education apps, games, quizzes and museum tooling.

Uptime

100.0%

Latency

78ms

Subs

3,598

The official IANA Service Name and Transport Protocol Port Number registry as an API — 12,500+ TCP, UDP, SCTP and DCCP port assignments. Look up what service runs on a port (e.g. 443 → https), find which port(s) a named service uses (e.g. ssh → 22), and search the registry by service or description. A handy reference for networking, DevOps, security and firewall tooling.

Uptime

100.0%

Latency

72ms

Subs

3,842

A collection of 1,600+ famous quotes from 600+ authors. Fetch a random quote (optionally filtered by author), look one up by id, search the full collection by text or author, and browse the author directory. Perfect for daily-quote widgets, dashboards, apps and inspiration features.

Uptime

100.0%

Latency

75ms

Subs

3,635

Resolve and search aircraft type designators — turn the IATA (e.g. 738) and ICAO (e.g. B738) aircraft codes returned by flight-data APIs into readable model names like "Boeing 737-800". Look up by IATA code, ICAO code or name, search 240+ aircraft types, or fetch the whole list. Bundled, fast and always available — a handy companion to flight, airline and airport data.

Uptime

100.0%

Latency

77ms

Subs

3,678

The official ISO 10383 Market Identifier Code (MIC) registry as an API — 2,800+ stock exchanges and trading venues worldwide. Look up a venue by its MIC (e.g. XNAS, XLON), search by name, country, status or market category, and see the operating MIC, legal entity, LEI, city, website and active/expired status. Ideal for fintech, trade reporting, MiFID II compliance and broker tooling.

Uptime

100.0%

Latency

83ms

Subs

4,930

Look up the administrative subdivisions of any country — 5,300+ states, provinces, regions and districts across 229 countries, with ISO 3166-2 codes. Search by name, country or type, fetch all subdivisions of a country (perfect for address-form dropdowns), or resolve an ISO 3166-2 code like US-CA to its name, type and coordinates. Bundled, fast and always available.

Uptime

100.0%

Latency

74ms

Subs

4,792

The complete periodic table as an API — all 119 chemical elements with their atomic and physical properties: atomic number and mass, category, phase, melting and boiling point, density, electron configuration, electronegativity, ionization energies and a short summary. Look up an element by symbol, atomic number or name, search and filter by category/phase/block, or fetch the whole table. Ideal for chemistry tools, education apps and science projects.

Uptime

100.0%

Latency

81ms

Subs

4,505

Search a database of 69,000+ European railway stations from the Trainline open dataset. Find stations by name and country, look one up by id or UIC code, or find all stations near a coordinate (radius search). Each record includes coordinates, UIC code, timezone and a main-station flag — ideal for travel apps, journey planners, ticketing and mobility tooling.

Uptime

100.0%

Latency

86ms

Subs

4,824

Search a database of 17,000+ seaports worldwide from UN/LOCODE. Find ports by name and country, look one up by its UN/LOCODE, or find all ports near a coordinate (radius search). Each record includes the UN/LOCODE, coordinates, country and connected transport modes (rail, road, airport) — ideal for shipping, freight, supply-chain and logistics applications.

Uptime

100.0%

Latency

76ms

Subs

4,290

Search a database of 6,000+ airlines worldwide (OpenFlights open dataset). Find carriers by name and country, look one up by its IATA (2-letter) or ICAO (3-letter) code, and browse counts per country. Each record includes the airline name, codes, radio callsign, country and active status — ideal for travel apps, booking flows, flight dashboards and aviation tooling.

Uptime

100.0%

Latency

79ms

Subs

3,866

Search official US FDA product recalls — food, drugs and medical devices — from the openFDA enforcement reports. Filter by category, recalling firm, US state, hazard classification (Class I/II/III) and recall status, or look up a single recall by its number. Each record includes the firm, product, reason for recall, distribution and dates. Ideal for compliance monitoring, food-safety, pharma QA, insurance and legal research.

Uptime

100.0%

Latency

796ms

Subs

4,274

Search a database of 10,000+ universities and colleges worldwide (Hipolabs open dataset). Find institutions by name and country, look one up by its email domain, and browse counts per country. Each record includes the official name, country, region, email domains and websites — ideal for sign-up forms, student-email verification, education directories and enrichment.

Uptime

100.0%

Latency

77ms

Subs

4,333