Open Notify API
Science & SpaceAccess Open Notify public data through one AllAPI key — 2 endpoints across the Open Notify surface. No Open Notify account, no credentials, no scraping stack — one anonymous request returns real data or a documented honest error, never fabricated.
| Method | Endpoint | Operation |
|---|---|---|
| POST | /api/open_notify/astros | Astros |
| POST | /api/open_notify/iss_now | Iss now |
Call the Open Notify API in one line
Free tier — 200 credits/month, no card. One key works across all 468 platforms, 39 MCP tools and 48 composites.
Get your free key → API reference