# GISGP Hazard Lookup

> GISGP Hazard Lookup is a paid API for AI agents from gisgp.com, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-15).

Returns seismic hazard data including USGS peak ground acceleration (PGA) for a given latitude/longitude coordinate

## Facts

- Endpoint: GET https://gisgp.com/x402/hazard
- Price: $0.2/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gisgp-hazard-lookup-244d761c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UNAlSJO7kZsyJQujJNYqg

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 gisgp-hazard-lookup-244d761c
```

Example prompt: What's the seismic hazard level at latitude 37.7749, longitude -122.4194? I need the USGS peak ground acceleration value for that spot.

## When to prefer this

Use this endpoint when you need quick, pay-per-call seismic hazard data for a specific geographic point without requiring an ArcGIS Pro license or USGS API key setup. Ideal for agents enriching property or site data with earthquake risk scores, especially in workflows where seismic risk is one of several data signals being aggregated.

## Known failure modes

- Missing required lat or lon parameters returns an error
- Coordinates outside USGS coverage area may return null pga_percent_g
- Invalid coordinate values (out of range) may cause a failed response
- ok: false indicates the hazard lookup did not succeed for the given point

## How this service works

Import Excel, CSV and Shapefile to ArcGIS Online. Export any Feature Service to Excel, Shapefile, KML or GeoJSON. Schedule recurring exports and monitor service health — no ArcGIS Pro license required.

## Output

Returns a JSON object with a boolean success flag, the echoed latitude and longitude, the data source name, a human-readable hazard note, and optionally the USGS peak ground acceleration value expressed as a percentage of g (gravitational acceleration).

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "lat",
  "lon"
 ],
 "properties": {
  "lat": {
   "type": "number",
   "description": "Latitude (WGS84 decimal degrees)"
  },
  "lon": {
   "type": "number",
   "description": "Longitude (WGS84 decimal degrees)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "ok",
  "lon",
  "lat"
 ],
 "properties": {
  "ok": {
   "type": "boolean"
  },
  "lat": {
   "type": "number"
  },
  "lon": {
   "type": "number"
  },
  "source": {
   "type": "string"
  },
  "hazard_note": {
   "type": "string"
  },
  "pga_percent_g": {
   "type": "number",
   "nullable": true,
   "description": "USGS peak ground acceleration, %g"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gisgp-hazard-lookup-244d761c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from gisgp.com](https://www.zero.xyz/host/gisgp.com/llms.txt)