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API Terms/Health & Science/Sunrise Sunset API

Sunrise Sunset API

sunrise-sunset.org

Returns sunrise, sunset, twilight, golden/blue hour, solar position and moon data as JSON for any latitude and longitude.

The Sunrise Sunset API API uses none authentication; has free pricing; offers a free tier (Free to use, no sign up or API key required; attribution required); rate limits: Too many requests too quickly returns HTTP 429 with a Retry-After header; no fixed numeric limit documented. Verified 2026-07-12 with per-field source links.

Health & Science Verified 2026-07-12 high confidence
Base URL
https://api.sunrise-sunset.org/v2
sunrise-sunset.org ↗
Auth
none
sunrise-sunset.org ↗
Free tier
Free to use, no sign up or API key required; attribution required
sunrise-sunset.org ↗
Pricing model
free
sunrise-sunset.org ↗
Pricing
Free of charge for reasonable request volumes; attribution link required
sunrise-sunset.org ↗
Rate limits
Too many requests too quickly returns HTTP 429 with a Retry-After header; no fixed numeric limit documented
sunrise-sunset.org ↗
OpenAPI spec
https://api.sunrise-sunset.org/openapi.json
sunrise-sunset.org ↗
MCP server
not documented null
no source