API ATLAS
All use cases

Learning app

Language and science sources for education products.

Selected by category. Verify fit, pricing, and limits in the official documentation before integrating.

DictionariesScience & Math

42 matching APIs

Chinese Text Project

Online open-access digital library for pre-modern Chinese texts

Collins

Bilingual Dictionary and Thesaurus Data

Free Dictionary

Definitions, phonetics, pronounciations, parts of speech, examples, synonyms

Lingua Robot

Word definitions, pronunciations, synonyms, antonyms and others

Merriam-Webster

Dictionary and Thesaurus Data

Oxford

Dictionary Data

Synonyms

Synonyms, thesaurus and antonyms information for any given word

Wiktionary

Collaborative dictionary data

Wordnik

Dictionary Data

Words

Definitions and synonyms for more than 150,000 words

WordsAPI

An API for the English Language. Find definitions, related words, and more

arcsecond.io

Multiple astronomy data sources

arXiv

Curated research-sharing platform: physics, mathematics, quantitative finance, and economics

Bootprint

Random facts and images of space

CodeCogs

Generate LaTeX equations as PNG, SVG, and GIF images

CORE

Access the world's Open Access research papers

GBIF

Global Biodiversity Information Facility

iDigBio

Access millions of museum specimens from organizations around the world

inspirehep.net

High Energy Physics info. system

isEven (humor)

Check if a number is even

ISRO

ISRO Space Crafts Information

ITIS

Integrated Taxonomic Information System

Launch Library 2

Spaceflight launches and events database

Materials Platform for Data Science

Curated experimental data for materials science

Moonlora

Moon phases, illumination, moon signs, full/new moon dates (1900–2100), moonrise/moonset by coordinates

NASA

NASA data, including imagery

NASA ADS

NASA Astrophysics Data System

Newton

Symbolic and Arithmetic Math Calculator

Noctua

REST API used to access NoctuaSky features

Numbers

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

Open Science Framework

Repository and archive for study designs, research materials, data, manuscripts, etc

OrbitalWiki

Catalog of 16,000+ satellites with the source cited for every field: orbital elements, operators, NORAD/COSPAR IDs

Purple Air

Real Time Air Quality Monitoring

Satellite Passes

Find satellite passes

SHARE

A free, open, dataset about research and scholarly activities

SpaceX

Company, vehicle, launchpad and launch data

Sunrise and Sunset

Sunset and sunrise times for a given latitude and longitude

Times Adder

With this API you can add each of the times introduced in the array sent

TLE

Satellite information

USGS Earthquake Hazards Program

Earthquakes data real-time

USGS Water Services

Water quality and level info for rivers and lakes

World Bank

World Data