Science & Math — entry 017 of 28
Noctua
Noctua is the REST API behind Stellarium Web, the free browser-based planetarium — its /skysources endpoints return catalog objects and metadata keylessly, while registering a user account unlocks token-authenticated endpoints for saving personal sky locations and observation logs. It's part of the open-source Stellarium project, so there's no paid tier.
AuthenticationNone requiredCall it straight away — no key, no signup.
HTTPSSupportedTraffic is encrypted in transit.
CORSDisabledBrowser calls need a server-side proxy.
PricingFreeNo paid tier — free for the documented use case.
FormatsJSONResponses can be requested as JSON.
GreatAPIs Score
Score74
Authentication25/25No authentication required
Pricing20/20Free to use
Docs0/20No docs or spec available
Formats9/15Single response format
Freshness20/20Verified within 6 months
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<a href="https://greatapis.com/api/noctua/"><img src="https://greatapis.com/badge/noctua.svg" alt="Scored 74 on greatapis.com"></a>Auth quickstart
- No key needed — call it now.
Stored keyNo key stored
Your key is stored only in this browser (localStorage) and sent directly to the API — never to greatapis.