arcsecond.io

API

Comprehensive astronomy data API aggregating multiple celestial sources

Overview

arcsecond.io API offers RESTful access to aggregated astronomy data from sources like Gaia, TESS, and celestial catalogs. Endpoints include celestial object details (stars, exoplanets), observation records, and catalog metadata. Responses are JSON-formatted, supporting filters for coordinates, magnitude, spectral type, and more. Ideal for building astronomy apps, educational tools, academic research, or citizen science projects needing standardized, multi-source astronomical data without managing separate integrations.

Example Integration (JavaScript)

script.js JS


fetch('https://api.arcsecond.io/')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful API
JSON responses
Aggregated multi-source data (Gaia, TESS)
Filterable queries
Celestial object details
Observation data access

Frequently Asked Questions

? Is arcsecond.io API free to use?

Yes, it offers a free tier with basic access; advanced features and higher rate limits require a paid subscription.

? Does it require an API Key?

Yes, an API key is needed for authentication, obtainable via registration on the arcsecond.io platform.

? What is the response format?

All responses are in JSON format, providing structured, machine-readable astronomical data.

Top Alternatives

NASA Exoplanet Archive API Search Google

SIMBAD Astronomical Database API Search Google

Tool Info

Pricing Freemium

Category Science & Math

Platform Public API

Pros

⊕ Curated standardized data
⊕ Easy integration
⊕ Supports hobbyist and academic use cases
⊕ Wide range of celestial datasets

Cons

⊖ Rate limits on free tier
⊖ Advanced features require paid plans
⊖ Limited to available catalog sources