# Services from clinical-trials.use.x402atlas.com on Zero

> clinical-trials.use.x402atlas.com serves 2 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/clinical-trials.use.x402atlas.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/clinical-trials.use.x402atlas.com/health.json

## Services

- [Clinical Trial Search](https://www.zero.xyz/c/clinical-trial-search-6ab365e9/llms.txt): $0.01/call via x402. Search ClinicalTrials.gov studies by free text, condition, intervention, sponsor, status, and phase, returning structured study metadata.
- [Clinical Trial Updates Feed](https://www.zero.xyz/c/clinical-trial-updates-feed-8672b215/llms.txt): $0.01/call via x402. Returns ClinicalTrials.gov studies for a condition posted or updated within the last N days, newest first, with status, phases, interventions, sponsor, dates, and enrollment.

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)