# Services from store-production-8add.up.railway.app on Zero

> store-production-8add.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/store-production-8add.up.railway.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/store-production-8add.up.railway.app/health.json

## Services

- [x402 Prober Census – Bazaar Listing Monitor & Crawler Index](https://www.zero.xyz/c/x402-prober-census-bazaar-listing-monitor-crawler-index-cbb00f3c/llms.txt): $0.25/call via x402. Returns a weekly-updated census of automated x402 monitors and index crawlers observed polling a Bazaar listing on Base mainnet, including their user-agent, operator, class, and quote counts.
- [Agent Buyers Research Report – x402 Paywall Behavior Study](https://www.zero.xyz/c/agent-buyers-research-report-x402-paywall-behavior-study-97876e9b/llms.txt): $29/call via x402. Returns the full markdown text of a research brief analyzing how AI agents with funded wallets behave at x402 paywalls, covering 1,416 purchase and refusal events across six models and three agent frameworks.

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)