The National Aeronautics and Space Administration
NASA explores the unknown in air and space, innovates for the benefit of humanity, and inspires the world through discovery. The api.nasa.gov portal hosts a federated set of APIs that make NASA imagery, science, and mission data accessible to application developers.
APIs
APOD - Astronomy Picture of the Day
One of the most popular websites at NASA is the Astronomy Picture of the Day. This API exposes the same featured image with metadata.
NeoWs - Near Earth Object Web Service
Near Earth Object Web Service is a RESTful web service for near earth Asteroid information including closest approach data and orbital data.
DONKI - Space Weather Database Of Notifications, Knowledge, Information
The Space Weather Database Of Notifications, Knowledge, Information (DONKI) is a comprehensive online tool for space weather forecasters, scientists, and researchers.
Earth Imagery and Assets
Earth imagery API providing Landsat 8 imagery and asset metadata for a given lat/lon location and date.
EONET - Earth Observatory Natural Event Tracker
EONET is a prototype web service that provides a curated source of continuously updated natural event metadata.
EPIC - Earth Polychromatic Imaging Camera
The EPIC API provides full disc imagery of the Earth captured by the DSCOVR spacecraft, including natural and enhanced color images.
Mars Rover Photos
Image data gathered by NASA's Curiosity, Opportunity, Perseverance, and Spirit rovers on Mars, accessible through this API.
NASA Image and Video Library
The NASA Image and Video Library API exposes the public NASA media library content including imagery, video, and audio.
TLE - Two Line Element Set
The TLE API provides up to date two line element set records, the standardized format for distributing earth-orbiting object orbital data.
Exoplanet Archive API
Programmatic access to NASA's Exoplanet Archive database of confirmed exoplanets and planet candidates.
InSight - Mars Weather Service
Per-Sol summary data for each of the last seven available Sols (Martian days) from the InSight lander on Mars.
TechPort
RESTful web services to make NASA technology project data available in a machine readable format.
SSD/CNEOS - Solar System Dynamics and Center for Near-Earth Object Studies
Provides access to a number of resources from the Solar System Dynamics group and the Center for Near-Earth Object Studies.