# BlackSwan Health Readiness Check

> BlackSwan Health Readiness Check is a free API for AI agents from x402.blackswan.wtf, Free, status unknown (last checked 2026-10-10).

Checks whether the BlackSwan real-time risk intelligence service is ready to handle requests

## Facts

- Endpoint: GET https://x402.blackswan.wtf/health/ready?utm_source=zero.xyz
- Price: Free
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/blackswan-716f4d9e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0j3nAvP83nzolnIZdKNvl

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 blackswan-716f4d9e
```

Example prompt: Is the BlackSwan risk intelligence service currently up and ready to accept requests?

## When to prefer this

Use this endpoint before calling any other BlackSwan risk intelligence endpoints to confirm the service is available. Prefer this for health-check polling, pre-flight checks in automated workflows, or when diagnosing why downstream BlackSwan calls are failing.

## Known failure modes

- Service not ready returns a non-200 status code or error payload
- Service completely down returns a connection error or timeout
- Transient network issues may produce intermittent failures

## How this service works

Real-time risk intelligence for AI agents

## Output

A readiness status response indicating whether the BlackSwan real-time risk intelligence service is operational and ready to handle API calls — typically a simple ready/not-ready signal or HTTP status code.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/blackswan-716f4d9e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.blackswan.wtf](https://www.zero.xyz/host/x402.blackswan.wtf/llms.txt)