Developer · Free tier

NASA Open APIs

Access NASA public astronomy, earth science and space imagery data APIs.

How to obtain API access

Generate your own NASA API key or use DEMO_KEY for initial low-volume exploration.

Never share account credentials or private API keys. Public example values are not reusable credentials.

Pricing, quotas and limitations

Default personal key rate limit is 1,000 requests/hour; DEMO_KEY is restricted to 30/hour and 50/day per IP. Individual APIs may vary.

Official documentation reviewed on 2026-11-06; terms can change without notice.

Integration use cases

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Platform tags represent possible integration paths, not guaranteed native plugins or merchant authorization.

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