# Services from second-opinion-production.up.railway.app on Zero

> second-opinion-production.up.railway.app 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/second-opinion-production.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/second-opinion-production.up.railway.app/health.json

## Services

- [Second Opinion Quick Verify](https://www.zero.xyz/c/second-opinion-quick-verify-d4cc6aa2/llms.txt): $0.02/call via x402. Performs a fast, reasoning-only logical consistency check on a claim without live web research, returning a verdict or honest 'inconclusive' when live data is needed.
- [Second Opinion Claim Verifier](https://www.zero.xyz/c/second-opinion-claim-verifier-7b8b2dde/llms.txt): $0.2/call via x402. Submits a claim to an adversarial AI agent that attempts to refute it via live web research and returns a structured verdict with citations

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)