arcsecond.io
Science & Math
Multiple astronomy data sources
Life-science literature search with abstracts, citations and full-text links
Verified 4 days ago: 100% uptime
API key
Not required
HTTPS
Supported
Browser calls
Yes, CORS enabled
Status
Live · 100/100
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
A starting template for Europe PMC. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# No authentication required.
curl -s "https://europepmc.org/ENDPOINT" \
-H "Accept: application/json"Aggregated from one public source (public-apis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
Science & Math
Multiple astronomy data sources
Science & Math
Render LaTeX equations in PNG, GIF, SVG, EMF, PDF, JSON, or download formats with styling options
Science & Math
ISRO Space Crafts Information
Science & Math
Gene annotation queries and ID lookup
Science & Math
Symbolic and Arithmetic Math Calculator
Science & Math
Symbolic and Arithmetic Math Calculator
Answered from what our own scheduled checks found, not from the provider's marketing.
Europe PMC is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.
No. We called Europe PMC on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.
Yes. Europe PMC returned CORS headers when we checked it, so a browser will let your page read the response. You can fetch it directly from client-side JavaScript with no proxy and no backend.
Yes, as of 2026-09-18. Our automated check reached Europe PMC and recorded a 100% reliability score with a median response time of 211 ms. We re-check on a schedule, and this page updates with the result.
Yes. Europe PMC serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.