# NASA

**Canonical:** https://apis.io/providers/nasa/  
**Website:** https://www.nasa.gov  
**APIs profiled:** 9

NASA (National Aeronautics and Space Administration) provides a suite of public APIs at api.nasa.gov offering access to space, Earth science, and aeronautics data. Key APIs include Astronomy Picture of the Day (APOD), Mars Rover Photos, Near Earth Object Web Service (NeoWs), DONKI space weather events, EPIC Earth imagery, and the NASA Image and Video Library. All APIs are free and accessible with an API key.

## Kin Score — 36.2 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 36.2).

| Facet | Score |
|---|---|
| Discoverability | 63.0 |
| Contract Quality | 54.9 |
| Governance | 26.5 |
| Contract Governance | 26.5 |
| Operational Transparency | 13.2 |
| Developer Ergonomics | 40.5 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Government & Public Sector**: 42.6 (matched via tags).

## Agent readiness — 38.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | documented |
| 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

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

## APIs (9)

- **NASA Asset API** — The Asset API from NASA — 1 operation(s) for asset.
- **NASA Captions API** — The Captions API from NASA — 1 operation(s) for captions.
- **NASA DONKI API** — The DONKI API from NASA — 8 operation(s) for donki.
- **NASA EPIC API** — The EPIC API from NASA — 5 operation(s) for epic.
- **NASA Mars Photos API** — The Mars Photos API from NASA — 3 operation(s) for mars photos.
- **NASA Metadata API** — The Metadata API from NASA — 1 operation(s) for metadata.
- **NASA Neo API** — The Neo API from NASA — 3 operation(s) for neo.
- **NASA Planetary API** — The Planetary API from NASA — 1 operation(s) for planetary.
- **NASA Search API** — The Search API from NASA — 1 operation(s) for search.

## MCP servers (1)

- **NASA MCP Server**

## Agentic access (1)

- **Nasa Agentic Access** — 24 operations

## Security (3)

- **Nasa Authentication** — apiKey · 1 scheme
- **Nasa Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Nasa Vulnerability Disclosure** — Bugcrowd · contact published

## Plans (1)

- **Nasa Plans Pricing**

## Tags

Government, Science, Space

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