# NWS Alert Event Type Names

> NWS Alert Event Type Names is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Returns a complete list of all National Weather Service alert event type names as JSON, with no parameters required.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/nws-alert-types
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nws-alert-event-type-names-0c531a64
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZolKoG4qobS0zgiPEHG2v

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 nws-alert-event-type-names-0c531a64 -d '<json body>'
```

Example prompt: Can you pull up the full list of all National Weather Service alert event type names so I can see every category of weather alert the NWS officially recognizes?

## When to prefer this

Use this endpoint when you need an exhaustive, structured list of all possible NWS alert event type identifiers — for example, to populate dropdowns, validate incoming alert types, or understand the full taxonomy of NWS weather alerts without writing custom scraping logic.

## Known failure modes

- Upstream NWS API unavailability returning an error response
- Payment authentication failure (402 not resolved) blocking the request
- Empty or malformed JSON if the NWS data source changes schema

## How this service works

List of all National Weather Service alert event type names (no params). Returns JSON.

## Output

A JSON array or object containing all official NWS alert event type name strings (e.g. 'Tornado Warning', 'Flash Flood Watch', 'Winter Storm Advisory'), enumerated with no filtering or pagination.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nws-alert-event-type-names-0c531a64/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)