niche · 1.1 capability resource

Astronomy

Score 17.4 / 100 19 providers +1 via APIs 11 APIs Search apis.io →

Providers using this tag (19)

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

Exemplar 1 Complete, well-documented, and agent-ready
CycleCalcsSpaceScienceEphemeris1 API72.2
Strong 2 Solid coverage with minor gaps
WeatherAPIWeatherForecastHistoryMarine1 API55.6APIFreaks - API Hub for DevelopersIP IntelligenceGeolocationWHOISDomain Intelligence104 APIs61.3
Developing 5 Usable, with meaningful gaps to close
IPGeolocation.ioGeocodingIP GeolocationIP IntelligenceIP Security7 APIs50.8StormglassBioClimateElevation1 API45.6thirdtrail-lifeCompanyTidesSolar1 API45.0openephemeris-comCompanyAstrologyArtificial Intelligence1 API44.1Sunrise AtelierCompanyTimeTimezone1 API44.0
Thin 3 Limited public surface area
Astronomy APICelestial DataSpaceMoon Phases2 APIs39.0NASAGovernmentScienceSpaceGeospatial6 APIs34.7Sunrise SunsetSunriseSunsetSolar1 API30.6
Emerging 3 Early or largely undocumented
European Space Agency (ESA)Earth ObservationCopernicusSentinelSpace Weather1 API25.4California Institute of TechnologyUniversityHigher EducationEducationPrivate Research University2 APIs22.4James Webb Space Telescope APIJWSTNASAScience1 API15.1
Minimal 5 Almost no public developer surface
arcsecond.ioPublic APIsScience1 API5.2Minor Planet CenterPublic APIsScienceSpace1 API5.2NoctuaPublic APIs1 API5.2Sunrise and SunsetPublic APIs1 API5.2NASA ADSPublic APIsScienceResearch1 API3.3

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 →

Exemplar 1 Complete, well-documented, and agent-ready
CycleCalcs MCP ServerHosted stateless Streamable HTTP MCP server exposing 11 astronomy tools backed by the v2 REST endpoints. To...72.2
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...50.8Stormglass Astronomy APISolar and lunar astronomical data including sunrise, sunset, moon phases45.6
Thin 2 Limited public surface area
Astronomy APIThe Astronomy API provides access to astronomical data including celestial body positions, moon phases, pla...39.0worldweatheronline-com APIworldweatheronline-com API as documented publicly: 10 operations. Contract generated from the documentation...28.7
Emerging 6 Early or largely undocumented
ESA Gaia Archive TAP APITable Access Protocol (TAP) service for the ESA Gaia stellar catalogue, the most precise astrometric survey...25.4ESASky Legacy TAP ServiceIVOA Table Access Protocol (TAP) service providing access to ESA legacy mission archives including Hipparco...25.4IRSA Virtual Observatory APIs (Caltech/IPAC)The NASA/IPAC Infrared Science Archive exposes IVOA-standard Virtual Observatory interfaces — Table Access ...22.4NASA Exoplanet Archive TAP (Caltech/IPAC)The NASA Exoplanet Archive, operated by Caltech/IPAC, exposes an IVOA TAP service over its confirmed-planet...22.4NED Table Access Protocol (Caltech/IPAC)The NASA/IPAC Extragalactic Database, operated by Caltech/IPAC, exposes an IVOA TAP service over its extrag...22.4James Webb Space Telescope APIProgrammatic access to JWST images and observations sourced from the MAST archive. Filter and query by prog...15.1

Companies reaching this through an API (1)

These companies publish an API, specification or operation carrying “Astronomy” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

worldweatheronline-com

Score breakdown

Frequency
38.1
log-scaled weighted occurrences
Breadth
0.3
spread across providers
Quality lift
38.4
mean composite of providers using it
Cohesion
0.7
strength of nearest seed neighbor

Related tags

Science 6 co-occurrences Geolocation 5 co-occurrences Weather 5 co-occurrences Space 5 co-occurrences Public APIs 7 co-occurrences

Where this tag comes from

Provider tag19
Api tag10
Openapi tag2
Openapi op tag2

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