# boundary-guard-x402.onrender.com

> boundary-guard-x402.onrender.com is a paid API for AI agents from boundary-guard-x402.onrender.com, paid per call via x402, $0.02/call, status down (last checked 2026-09-15).

## Facts

- Endpoint: POST https://boundary-guard-x402.onrender.com/runtime-route-preflight
- Price: $0.02/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/runtime-route-preflight-f4d8d571
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_e72iEfSbvHamTG7PJfd-3

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability runtime-route-preflight-f4d8d571 -d '<json body>'
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/runtime-route-preflight-f4d8d571/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from boundary-guard-x402.onrender.com](https://www.zero.xyz/host/boundary-guard-x402.onrender.com/llms.txt)