Free Space & Astronomy APIs
NASA planetary datasets, satellite tracking, and astronomical events
Space & Astronomy API Comparison Overview
Top EndpointsAvailable Endpoints (17)
NASA API
Official NASA APIs for astronomy images, asteroid telemetry, and Mars photos
Open Notify
Live International Space Station (ISS) location and astronaut count
Where the ISS At
Real-time International Space Station tracking and coordinate telemetry
Launch Library 2
Comprehensive spaceflight launch schedules, rocket manifests, and space exploration mission telemetry.
Sunrise Sunset
Sunrise, sunset, dawn, dusk, and solar noon calculation engine
Le Système Solaire
Astronomical data and physical parameters of solar system celestial bodies
N2YO
Real-time satellite tracking, orbital passes, and visible flight telemetry
Spaceflight News API
Live spaceflight news, rocket launches, and aerospace articles
APlicious API
APlicious API offers access to 22 namespaces with 421+ endpoints for various services, including authentication, data retrieval, and processing. It provides detailed API documentation, including rate limits and error codes, to assist developers in integrating and utilizing the services effectively.
CelesTrak GP Data
CelesTrak provides access to General Perturbations (GP) orbital data, including Two-Line Element Sets (TLEs) and newer formats like XML and JSON. This data is crucial for tracking objects in space and supports various queries to retrieve specific orbital information based on catalog numbers, designators, and names.
Close Approach Data
This API provides current close-approach data for all asteroids and comets within JPL’s Small-Body Database. It allows users to obtain detailed information about near-Earth objects and their proximity to our planet based on various query parameters.
Confined Space Price Index
Public dataset and machine-readable endpoints that publish UK confined-space training prices and a computed price index. Provides a median price, breakdowns by duration and risk class, and source rows with retrieval dates.
CoworkingView API
Provides access to a comprehensive catalogue of coworking spaces, allowing users to retrieve information about properties, operators, and local features. It includes endpoints for querying property details, operator profiles, market rates, and geographical data without requiring an API key.
Dragon Ball API
The Dragon Ball API provides comprehensive information about characters, transformations, power stats, planets, and locations from the Dragon Ball universe. It allows users to retrieve data through various endpoints for easy integration into applications or services.
Nebulum Mars Rovers API
Access real-time photos taken by Mars rovers Perseverance and Curiosity through NASA missions. Developers can retrieve images based on unique photo IDs, Earth dates, or Martian sols.
About Free Space & Astronomy APIs
This directory curates 17 verified public APIs in the Space & Astronomy domain. Developers can build dashboards, mobile applications, automation bots, and microservices with these ready-to-integrate endpoints without upfront billing.
Do I need an API key?
Several APIs listed here operate as Zero-Auth services where you can execute queries directly. Others provide free developer tiers with an instant key upon registration.
Does FreeAPI support CORS?
Yes, all endpoints can be called through FreeAPI Smart Edge Gateway to bypass browser CORS headers and inspect live responses.