# BlackSwan Health Check

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

Returns the operational health status of the BlackSwan real-time risk intelligence service

## Facts

- Endpoint: GET https://x402.blackswan.wtf/health?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-e083cd22
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_f4LS2oMiywz0FVKb-BgNk

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-e083cd22
```

Example prompt: Is the BlackSwan risk intelligence service currently up and running before I start pulling real-time risk signals?

## When to prefer this

Use this endpoint as a preflight check before invoking any BlackSwan risk intelligence or market state endpoints, or when monitoring the availability of the BlackSwan service in a reliability pipeline.

## Known failure modes

- Service unavailable (503) if BlackSwan backend is down
- Timeout if service is under heavy load
- Non-200 response indicating degraded or offline state

## How this service works

Real-time risk intelligence for AI agents

## Output

A health status response indicating whether the BlackSwan risk intelligence service is operational, typically returning an HTTP 200 with a status payload confirming service availability.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/blackswan-e083cd22/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)