# Services from openapi.aisa.one on Zero

> openapi.aisa.one 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/openapi.aisa.one
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/openapi.aisa.one/health.json

## Services

- [openapi.aisa.one Protected Resource](https://www.zero.xyz/c/openapi-aisa-one-46c3533e/llms.txt): $0.01/call via x402. Provides access to a protected resource via a pay-per-call API endpoint requiring micropayment authorization
- [AISA One Protected Resource API](https://www.zero.xyz/c/openapi-aisa-one-052b9b82/llms.txt): $0.01/call via x402. Provides access to a protected resource via a pay-per-call API endpoint secured with x402 micropayment protocol

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)