# Services from pricing-state-api.replit.app on Zero

> pricing-state-api.replit.app serves 4 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/pricing-state-api.replit.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/pricing-state-api.replit.app/health.json

## Services

- [Pricing State API — SaaS Pricing Change History](https://www.zero.xyz/c/pricing-state-api-saas-pricing-change-history-5c6e7ea8/llms.txt): $0.01/call via x402. Returns the historical change log for a monitored SaaS product's pricing page, including what changed, when, and a human-readable summary.
- [Pricing State API — SaaS Pricing Monitor](https://www.zero.xyz/c/pricing-state-api-saas-pricing-monitor-5d6de125/llms.txt): $0.01/call via x402. Returns real-time structured pricing data (plans, prices, features, billing periods, change history) for a specific monitored SaaS product by slug
- [Pricing State API — Pricing Change History](https://www.zero.xyz/c/pricing-state-api-pricing-change-history-9b62cdf6/llms.txt): $0.01/call via x402. Returns the detected history of pricing changes for a monitored SaaS product, including what changed, plan-level detail, and when each change was detected.
- [Pricing State API — Current SaaS Pricing Snapshot](https://www.zero.xyz/c/pricing-state-api-current-saas-pricing-snapshot-32a548e4/llms.txt): $0.01/call via x402. Returns the current structured pricing data for a monitored SaaS product, including plan names, prices, billing period, features, and snapshot timestamp.

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)