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Polyform Earthquake Data API
x402
Polyform Earthquake Data API is a paid API for AI agents from api.polyform.org, paid per call via x402, $0.03/call, status unknown (last checked 2026-10-11).
Returns recent earthquake activity, seismic risk level, and max magnitude for a given US location query
Price / call$0.03
Success—
StatusUnknown
How this service works
Pay-per-call data endpoints for AI agents. USDC on Base via x402. No account, no API key — one micropayment per call.
Output
Returns a JSON object with the location query string, total earthquake count, a seismic risk classification (e.g. LOW, MODERATE, HIGH, SEVERE), the maximum magnitude observed, and an array of individual quake records for the queried area.
Example use cases
Real estate seismic risk check
“Before I finalize buying this house in Northridge, CA, can you pull the recent earthquake data and seismic risk rating for that area?”
Travel safety briefing
“I'm heading to Seattle next week — can you check what the seismic risk and recent earthquake activity looks like there?”
Insurance underwriting data point
“I need the current seismic risk level and recent quake count near Salt Lake City, UT for a property risk assessment.”
Technical details
Endpoint
GEThttps://api.polyform.org/v1/geo/earthquakes?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, pay-per-call seismic risk and earthquake activity summary for a US location without setting up an account or API key. Prefer it over free USGS APIs when you need a pre-summarized risk label and count rather than raw event data, and when your agent workflow uses x402 micropayments on Base.
Side effects
- Non-US or ambiguous location query may return no results or fail to resolve
- Empty quakes array if no recent seismic activity detected in area
- Malformed or missing query parameter returns a 400-level error
- Payment failure or insufficient USDC balance returns 402 Payment Required
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 12,
"query": "Los Angeles, CA",
"quakes": [],
"seismicRisk": "MODERATE",
"maxMagnitude": 4.2
}
}Tags
x402
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