// SCIENCE & MATH
arcsecond.io
Multiple astronomy data sources
arcsecond.io is a free public Science & Math API that requires apiKey authentication. It supports HTTPS.
// FACTS
- Category
- Science & Math
- Authentication
- apiKey
- HTTPS
- yes
- CORS
- unknown
- Endpoint
- api.arcsecond.io
- Cost
- Free
// FREQUENTLY ASKED
What is arcsecond.io?
arcsecond.io is a free public API in the Science & Math category. Multiple astronomy data sources
Does arcsecond.io require authentication?
Yes — arcsecond.io requires apiKey authentication to make requests.
Is arcsecond.io free?
Yes. arcsecond.io is listed in our directory of free public APIs and is free to use. Check the official site for any rate limits or paid tier limitations.
Does arcsecond.io support HTTPS?
Yes, arcsecond.io supports HTTPS encrypted requests.