public apis
/
CategoriesMCPBlogRandomStar
Public APIs

A searchable directory of 2,000+ free public APIs, curated by the community and maintained with APILayer.

Powered byAPILayer

Popular

  • Weather APIs
  • Finance APIs
  • Crypto APIs
  • Geocoding APIs
  • Machine learning APIs
  • Games APIs

Directory

  • Categories
  • All APIs
  • MCP servers
  • FAQ
  • Stats
  • JSON API
  • llms.txt

APILayer

  • Browse the API suite ↗
  • Get a free API key ↗
  • APILayer blog ↗
  • Postman collection ↗
  • Discord community ↗

Project

  • public-apis on GitHub ↗
  • Contribute an API ↗
Public APIs · by APILayerData from public-apis (MIT)
  1. Home
  2. /Science & Math
  3. /Newton
Science & Math
N

Newton

Symbolic and Arithmetic Math Calculator.

Newton API is a free Science & Math API that requires no API key, is served over HTTPS and does not support CORS, so it should be called from a server.

Authentication
None required
HTTPS
Yes
CORS
No
Category
Science & Math
Visit documentation ↗newton.vercel.app

About newton

Provider
newton
Website
newton.vercel.app ↗

Details from newton.vercel.app.

APILayer

Unified API suite · now live

Geocode an address, validate an email, track a flight or pull stock data with one account, one dashboard and one API key.

Get your free API key→Free tier on every API

Newton API alternatives

NCBI E-utilities logo

NCBI E-utilities

Biomedical literature, sequences and gene databases

No authHTTPSCORS
N

Noctua

REST API used to access NoctuaSky features

No authHTTPSCORS ?
NASA ADS logo

NASA ADS

NASA Astrophysics Data System

OAuthHTTPSCORS
Numbers logo

Numbers

Number of the day, random number, number facts and anything else you want to do with numbers

apiKeyHTTPSNo CORS
NASA InSight logo

NASA InSight

Mars weather data from InSight lander

apiKeyHTTPSCORS
O

OBIS

Global marine species occurrence and distribution data

No authHTTPSCORS

Newton API FAQ

Who provides the Newton API?

The Newton API is provided by newton (newton.vercel.app).

Is the Newton API free?

Yes. The Newton API is listed in the Science & Math category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Newton API require an API key?

No. The Newton API requires no authentication, so you can start making requests without signing up.

Can I call the Newton API from the browser?

Not directly. The Newton API does not allow CORS, so call it from a server, serverless function or proxy instead of front-end JavaScript.

Does the Newton API support HTTPS?

Yes. The Newton API is served over HTTPS, so it's safe to use in production.