Why do you think NASA open Apis are dead? At least the APOD should be solid to work with: https://data.nasa.gov/Space-Science/Astronomy-Picture-of-the...

Another APIs I could find are these:

- SpaceX: https://github.com/r-spacex/SpaceX-API

- The Space Devs - Launches & News: https://thespacedevs.com/

- Spacecrafts, Launchers, Customer Satellites and Centres: https://isro.vercel.app/

- Space Flight News: https://spaceflightnewsapi.net/