Science & Math APIs

Arcsecond.io provides comprehensive astronomical data from multiple sources, offering detailed information about celestial objects, observatories, and astronomical events. The service aggregates data from various astronomical databases and observatories worldwide, providing access to star catalogs, exoplanet data, and astronomical observations. It features both historical and real-time astronomical data, making it valuable for astronomical research and educational applications.

arXiv is a leading repository for research papers in physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering, and economics. The service provides access to both the latest research preprints and published papers, with comprehensive metadata and full-text search capabilities. It features daily updates of new submissions and cross-referencing between related papers.

CORE is the world's largest aggregator of open access research papers, providing access to millions of research papers from journals and repositories worldwide. The service offers full-text content along with rich metadata, enabling comprehensive research paper discovery and analysis. It features advanced search capabilities, content recommendation, and analytical tools for understanding research trends.

The Global Biodiversity Information Facility (GBIF) provides access to hundreds of millions of species occurrence records from around the world. The service offers detailed information about species distributions, taxonomic data, and ecological observations. It features comprehensive biodiversity data from multiple sources, including research institutions, museums, and citizen science projects.

iDigBio (Integrated Digitized Biocollections) provides access to millions of digitized specimens from natural history collections worldwide. The service offers detailed specimen data, including images, locality information, and collection metadata. It features advanced search capabilities across multiple institutions and collection types, supporting research in biodiversity, evolution, and ecology.

INSPIRE is the leading information platform for High Energy Physics (HEP), providing access to literature, authors, institutions, conferences, and research data. The service offers comprehensive coverage of particle physics research, including preprints, published papers, and data. It features advanced search capabilities, citation analysis, and author profiles specific to the HEP community.

isEven is a humorous API that provides a simple service to determine if a number is even or odd. The service offers a playful take on basic arithmetic operations, demonstrating API concepts in an entertaining way. It features a straightforward endpoint that returns whether a given number is even, making it perfect for educational purposes and API testing demonstrations.

The Indian Space Research Organisation (ISRO) API provides detailed information about India's space missions, satellites, and spacecraft. The service offers comprehensive data about ISRO's launches, missions, and space technology developments. It features information about both historical and current space missions, satellite specifications, and launch vehicle details.

ISRO Statistics provides detailed statistical data about the Indian Space Research Organisation's activities and achievements. The service offers comprehensive information about ISRO's launch history, success rates, and spacecraft specifications. It features statistical analysis of launches, mission outcomes, and historical trends in India's space program.

The Integrated Taxonomic Information System (ITIS) provides authoritative taxonomic information about plants, animals, fungi, and microbes. The service offers standardized nomenclature and classification data for species worldwide. It features comprehensive taxonomic hierarchies, scientific names, common names, and synonyms, making it essential for biodiversity research and species identification.

Launch Library 2 provides comprehensive information about past and upcoming spaceflight launches and space-related events worldwide. The service offers detailed data about launch vehicles, missions, launch sites, and space agencies. It features real-time updates, mission details, and historical launch records from various space organizations.

The Materials Platform for Data Science provides access to curated experimental data in materials science. The service offers comprehensive information about material properties, crystal structures, and experimental measurements. It features advanced search capabilities, data visualization tools, and integration with materials informatics workflows.

NASA's API provides access to a vast collection of space-related data, including satellite imagery, Mars rover photos, asteroid information, and space weather data. The service offers both real-time and historical data from various NASA missions and programs. It features daily astronomy pictures, planetary data, and educational resources about space exploration.

The NASA Astrophysics Data System (ADS) is a comprehensive digital library for astronomy and physics research. The service provides access to millions of scholarly articles, conference proceedings, and technical reports. It features advanced bibliometric tools, citation analysis, and full-text search capabilities across the astrophysics literature.

Newton is a powerful symbolic and arithmetic mathematics calculator API that can solve complex mathematical problems. The service offers capabilities for algebraic manipulation, calculus operations, and numerical computations. It features support for various mathematical operations including derivatives, integrals, factoring, and equation solving.

NoctuaSky provides astronomical data and features for night sky observation and astronomy applications. The service offers information about celestial objects, astronomical events, and observing conditions. It features star charts, object catalogs, and astronomical calculations for amateur and professional astronomers.

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

Numbers API provides fascinating facts and trivia about numbers, including mathematical properties, dates, and years. The service offers interesting information about any integer, covering topics from mathematics to history. It features random number facts, date trivia, and mathematical properties, making it engaging for educational and entertainment purposes.

Open Notify provides real-time data about the International Space Station (ISS), including its current location, pass times, and crew information. The service offers up-to-date tracking of the ISS's orbit and predictions for when it will pass over specific locations. It features information about current astronauts in space and their mission details.

The Open Science Framework (OSF) provides a comprehensive platform for managing scientific research projects and materials. The service offers access to research data, study designs, manuscripts, and analysis tools. It features collaboration tools, version control, and integration with various scientific workflows, supporting open and reproducible research practices.

PurpleAir provides real-time air quality data from a network of sensors worldwide. The service offers detailed air quality measurements including PM2.5, PM10, temperature, and humidity data. It features both current and historical air quality data, with particular focus on particulate matter monitoring through its network of low-cost sensors.

Remote Calc is a specialized calculation service that processes base64-encoded mathematical expressions. The service decodes the input and performs calculations, returning results in JSON format. It features support for various mathematical operations and secure data transmission through encoding.

Satellite Passes API provides predictions for satellite visibility and passes over specific locations. The service offers detailed information about when and where to spot various satellites in the night sky. It features pass predictions for multiple satellites, including visibility conditions and optimal viewing times.

SHARE aggregates and provides access to a vast collection of research outputs and scholarly activities. The service offers metadata about research papers, datasets, and other scholarly products from numerous institutions. It features comprehensive search capabilities, metadata harvesting, and research analytics tools.

The SpaceX API provides comprehensive data about SpaceX's space missions, vehicles, and operations. The service offers detailed information about launches, rockets, capsules, and launch sites. It features both historical mission data and upcoming launch information, making it valuable for tracking SpaceX's space exploration activities.

The Sunrise-Sunset API provides accurate calculations of sunrise, sunset, and twilight times for any location on Earth. The service offers detailed information about solar events including civil, nautical, and astronomical twilight times. It features calculations based on precise geographical coordinates and timezone data.

Times Adder is a specialized API for performing time-based calculations and aggregations. The service processes arrays of time values and performs addition operations. It features support for various time formats and handles time-based mathematical operations efficiently.

The TLE (Two-Line Element) API provides orbital data for satellites in Earth orbit. The service offers up-to-date orbital elements for tracking satellites and space objects. It features both current and historical TLE data, essential for satellite tracking and orbital predictions.

The USGS Earthquake Hazards Program provides real-time earthquake data and information about seismic events worldwide. The service offers detailed earthquake locations, magnitudes, and impact assessments. It features historical earthquake data, shake maps, and hazard assessments, making it essential for earthquake monitoring and research.

USGS Water Services provides comprehensive data about water resources in the United States, including river levels, water quality, and precipitation data. The service offers real-time monitoring of water conditions across thousands of sites nationwide. It features historical water data, flood predictions, and water quality assessments for rivers, lakes, and groundwater.

The World Bank API provides access to global development data and statistics. The service offers comprehensive datasets covering economics, population, education, health, and environmental indicators for countries worldwide. It features historical trends, current statistics, and development indicators, making it valuable for research and analysis of global development patterns.