# The National Aeronautics and Space Administration

**Canonical:** https://apis.io/providers/national-aeronautics-and-space-administration/  
**Website:** https://www.nasa.gov/  
**APIs profiled:** 20

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.

## Kin Score — 36.8 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 36.8).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 46.9 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 23.7 |
| Developer Ergonomics | 23.8 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

Regulatory layer — **Government & Public Sector**: 29.6 (matched via tags).

## Agent readiness — 34.7 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | no |
| OpenAPI Examples | no |
| Rate Limit Signal | documented |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (20)

- **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.
- **The National Aeronautics and Space Administration APOD API** — Astronomy Picture of the Day.
- **The National Aeronautics and Space Administration DONKI API** — Space Weather Database Of Notifications, Knowledge, Information.
- **The National Aeronautics and Space Administration Earth API** — Earth imagery and assets.
- **The National Aeronautics and Space Administration EPIC API** — Earth Polychromatic Imaging Camera.
- **The National Aeronautics and Space Administration InSight API** — Mars weather from the InSight lander.
- **The National Aeronautics and Space Administration Mars Rover Photos API** — Photos from Curiosity, Opportunity, Perseverance, and Spirit.
- **The National Aeronautics and Space Administration NeoWs API** — Near Earth Object Web Service.

## Agentic access (1)

- **National Aeronautics And Space Administration Agentic Access** — 12 operations

## Security (2)

- **National Aeronautics And Space Administration Authentication** — apiKey · 1 scheme
- **National Aeronautics And Space Administration Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC

## Plans (1)

- **National Aeronautics And Space Administration Plans Pricing**

## Tags

Government, Science, Space, Imagery, Earth Observation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/national-aeronautics-and-space-administration/). Scores are computed from the provider's own public artifacts under a published rubric.