Multiple astronomy data sources
Curated research-sharing platform: physics, mathematics, quantitative finance, and economics
Access the world's Open Access research papers
Global Biodiversity Information Facility
Access millions of museum specimens from organizations around the world
High Energy Physics info. system
Check if a number is even
ISRO Space Crafts Information
Integrated Taxonomic Information System
Spaceflight launches and events database
Curated experimental data for materials science
Asterank.com Information
NASA data, including imagery
NASA Astrophysics Data System
Symbolic and Arithmetic Math Calculator
REST API used to access NoctuaSky features
Number of the day, random number, number facts and anything else you want to do with numbers
Facts about numbers
Facts pertaining to the physical science of Oceanography
ISS astronauts, current location, etc
Repository and archive for study designs, research materials, data, manuscripts, etc
Real Time Air Quality Monitoring
Decodes base64 encoding and parses it to return a solution to the calculation in JSON
A free, open, dataset about research and scholarly activities
Company, vehicle, launchpad and launch data
GraphQL, Company, Ships, launchpad and launch data
Sunset and sunrise times for a given latitude and longitude
With this API you can add each of the times introduced in the array sended
Satellite information
Earthquakes data real-time
Water quality and level info for rivers and lakes
World Data
Random mathematical expressions