# Services from nasa.memoryapi.org on Zero

> nasa.memoryapi.org serves 3 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/nasa.memoryapi.org
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/nasa.memoryapi.org/health.json

## Services

- [NASA Astronomy Picture of the Day (APOD) API](https://www.zero.xyz/c/nasa-memoryapi-org-a9f50ebd/llms.txt): $0.001/call via x402. Returns NASA's Astronomy Picture of the Day — a daily curated space image with title and explanation.
- [NASA DONKI Space Weather API](https://www.zero.xyz/c/nasa-memoryapi-org-b1695e46/llms.txt): $0.001/call via x402. Retrieves NASA DONKI space weather data including solar flares, coronal mass ejections (CMEs), and geomagnetic storms
- [NASA Near Earth Objects (NEO) Asteroid Tracker](https://www.zero.xyz/c/nasa-memoryapi-org-1cbcb74e/llms.txt): $0.001/call via x402. Retrieves NASA Near Earth Objects data including asteroid size, hazard classification, closest approach distance, and velocity.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)