niche · -0.5

Astronomy

Score 19.6 / 100 16 providers 11 APIs Search apis.io →
Variants seen in the corpus: Astronomyastronomy

Providers using this tag (16)

Ranked by API Evangelist rating — Exemplar and Strong are expanded by default.

Strong 3 Solid coverage with minor gaps
APIFreaks - API Hub for DevelopersAPIFreaks is a first-party REST API hub built by JFreaks Software Solutions (Lahore, Pakistan) that ships m...27 APIs64.4CycleCalcsCycleCalcs publishes a read-only positional-astronomy engine as both a REST API and a hosted MCP server ove...30 APIs64.1DTNDTN is an operational intelligence company delivering weather, agriculture, energy, and commodity market da...38 APIs57.5
Developing 5 Usable, with meaningful gaps to close
IPGeolocation.ioIPGeolocation.io is a multi-product IP intelligence platform offering IP geolocation, IP security/threat in...7 APIs51.2WeatherAPIWeatherAPI.com provides real-time, forecast, historical, marine, future, astronomy, air quality, pollen, sp...7 APIs46.6NASA APODNASA Astronomy Picture of the Day (APOD) REST API providing daily astronomy images and explanations curated...1 API45.1NASA Open APIsNASA Open APIs is the National Aeronautics and Space Administration's unified, public developer portal expo...34 APIs43.4StormglassStormglass provides a global marine and weather API delivering high-resolution forecasts, historical data, ...7 APIs43.1
Thin 7 Limited public surface area
Sunrise AtelierSunrise Atelier operates Sunrise.am, a free consumer service that provides accurate sunrise, sunset, twilig...2 APIs38.2The National Aeronautics and Space AdministrationNASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world t...20 APIs36.8Sunrise SunsetFree REST API providing sunrise, sunset, solar noon, day length, and civil, nautical, and astronomical twil...1 API36.5European Space Agency (ESA)The European Space Agency (ESA) provides public REST and standards-based APIs spanning Copernicus Earth obs...18 APIs35.3Astronomy APIAstronomyAPI is a web API for retrieving astronomical information including data about celestial bodies, mo...5 APIs33.0Moon-APIMoon-API.com provides real-time lunar and astronomical data including moon phases, illumination, moonrise a...7 APIs30.5California Institute of TechnologyThe California Institute of Technology (Caltech) is a private research university in Pasadena, California, ...11 APIs29.6
Emerging 1 Early or largely undocumented
James Webb Space Telescope APIA free, third-party API for accessing James Webb Space Telescope data sourced from the Mikulski Archive for...1 API13.1

APIs with this tag (11)

Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Strong 2 Solid coverage with minor gaps
CycleCalcs MCP ServerHosted stateless Streamable HTTP MCP server exposing 11 astronomy tools backed by the v2 REST endpoints. Re...64.1DTN Astronomical APIDTN Astronomical API is an all-in-one solution to get astronomical data. Currently it returns sun and moon ...57.5
Developing 2 Usable, with meaningful gaps to close
IPGeolocation.io Astronomy APIAPI endpoints for retrieving astronomical information for a given location, including sunrise and sunset ti...51.2Stormglass Astronomy APISolar and lunar astronomical data including sunrise, sunset, moon phases43.1
Thin 6 Limited public surface area
APOD - Astronomy Picture of the DayOne of the most popular websites at NASA is the Astronomy Picture of the Day. This API exposes the same fea...36.8Exoplanet Archive APIProgrammatic access to NASA's Exoplanet Archive database of confirmed exoplanets and planet candidates.36.8ESA Gaia Archive TAP APITable Access Protocol (TAP) service for the ESA Gaia stellar catalogue, the most precise astrometric survey...35.3ESASky Legacy TAP ServiceIVOA Table Access Protocol (TAP) service providing access to ESA legacy mission archives including Hipparco...35.3Astronomy APIThe Astronomy API provides access to astronomical data including celestial body positions, moon phases, pla...33.0IRSA Virtual Observatory APIs (Caltech/IPAC)The NASA/IPAC Infrared Science Archive exposes IVOA-standard Virtual Observatory interfaces — Table Access ...29.6
Emerging 1 Early or largely undocumented
James Webb Space Telescope APIProgrammatic access to JWST images and observations sourced from the MAST archive. Filter and query by prog...13.1

Score breakdown

Frequency
38.5
log-scaled weighted occurrences
Breadth
0.4
spread across providers
Quality lift
49.4
mean composite of providers using it
Cohesion
0.0
strength of nearest seed neighbor

Related tags

Geolocation 5 co-occurrences Weather 7 co-occurrences Space 7 co-occurrences

Where this tag comes from

Provider tag14
Api tag11
Openapi tag1
Openapi op tag1