Free APIScienceNo key
Open Notify (ISS)
Where is the ISS right now and who is in space, no key needed
Open Notify is a lightweight public API that returns the real-time position of the International Space Station and the list of people currently in space. It takes no inputs and requires no authentication. Position is recalculated about once per second.
Free tier
Free, no keyRate limits
Not published (position updates at most ~1 Hz; polling faster is pointless)Auth
No keyBase URL
http://api.open-notify.orgWhat you'd build with it
- Live ISS tracker widget or map
- Trigger a notification when the ISS passes over a location (compute client-side)
- Fun 'who is in space right now' fact in a chat skill
Key endpoints
- GET
/iss-now.jsonCurrent ISS latitude/longitude with a unix timestamp - GET
/astros.jsonPeople currently in space and their craft
Members
Members get the runnable recipe
Sign in free to copy the example request, see a sample response, and read the gotchas.
Tags
spaceisstrackingrealtime