# Services from agent-trust-layer.agent-trust-layer.workers.dev on Zero

> agent-trust-layer.agent-trust-layer.workers.dev 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/agent-trust-layer.agent-trust-layer.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/agent-trust-layer.agent-trust-layer.workers.dev/health.json

## Services

- [Agent Trust Layer – HTTP Endpoint Prober](https://www.zero.xyz/c/agent-trust-layer-http-endpoint-prober-3236724d/llms.txt): $0.01/call via x402. Probes a public HTTP endpoint for availability, latency, HTTP status, x402 payment-challenge support, and response-schema validity.
- [Agent Trust Layer Smart Router](https://www.zero.xyz/c/agent-trust-layer-smart-router-cc3ce9ac/llms.txt): $0.1/call via x402. Returns ranked API providers for a given task using technical probes and payer-signed transaction outcome data
- [Agent Trust Layer - Reliability Score](https://www.zero.xyz/c/agent-trust-layer-reliability-score-353aee9d/llms.txt): $0.05/call via x402. Returns an evidence-weighted trust score and actionable should_pay decision for a service endpoint or wallet, combining live probes with payer-signed Base USDC delivery outcomes.

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)