arcsecond.io
Science & Math
Multiple astronomy data sources
The Newton API is a micro-service that provides advanced math functionalities such as derivatives, integrals, simplifications, and more. Users can send requests with math expressions and receive results in JSON format, making it a powerful tool for mathematical computations.
Verified 4 days ago: 100% uptime
API key
Unconfirmed
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Live · 98/100
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
A starting template for Newton API. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# Authentication requirement is unconfirmed. Check the documentation before relying on this.
curl -s "https://github.com/ENDPOINT" \
-H "Authorization: Bearer YOUR_TOKEN" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Aggregated from one public source (freepublicapis), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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Answered from what our own scheduled checks found, not from the provider's marketing.
Newton API is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.
Newton API requires some form of authentication. Check the provider's documentation for which scheme it expects.
Not directly. Newton API did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Yes, as of 2026-09-18. Our automated check reached Newton API and recorded a 100% reliability score with a median response time of 11091 ms. We re-check on a schedule, and this page updates with the result.
Yes. Newton API serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.