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FEMA National Risk Index – County Natural-Hazard Risk Scores by State
x402
FEMA National Risk Index – County Natural-Hazard Risk Scores by State is a paid API for AI agents from api.querylines.com, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-14).
Returns FEMA National Risk Index Expected Annual Loss and risk scores (0–100) for all counties in a U.S. state, optionally filtered to a specific peril (composite or one of 18 hazards), ranked by loss.
Price / call$0.1
Success—
StatusUnknown
How this service works
County natural-hazard risk scores for a U.S. state and peril from the FEMA National Risk Index: Expected Annual Loss ($), EAL/Risk scores (0-100) and ratings, ranked by loss. composite or one of 18 hazards (wildfire, coastal flooding, hurricane, earthquake, ...). Public-domain FEMA data. $0.10 per query. Free discovery: /v1/hazard/sample. Docs: https://api.querylines.com/openapi.json
Output
A list of counties in the requested U.S. state with their FEMA National Risk Index Expected Annual Loss (in dollars), EAL risk scores on a 0–100 scale, risk ratings, and rankings — either for composite natural hazard risk or for a specified single peril such as wildfire, hurricane, earthquake, or coastal flooding.
Example use cases
Example prompt
“Pull the FEMA National Risk Index wildfire risk scores and expected annual loss for all counties in California, ranked by loss.”
Technical details
Endpoint
GEThttps://api.querylines.com/v1/hazardWhen to prefer
Choose this endpoint when you need FEMA-sourced, county-level natural hazard risk data for an entire U.S. state, either as a composite risk score or broken down by a specific peril. It is ideal for insurance underwriting research, real estate risk analysis, climate risk enrichment, or regulatory compliance work that requires authoritative public-domain government risk data rather than proprietary estimates.
Side effects
- Missing or invalid state code returns a 400/422 error
- Unknown peril slug returns an error or empty result
- State code for a non-U.S. territory not covered returns no data
- Rate limiting or payment failure (x402) returns 402 Payment Required
- Requesting a peril not in FEMA's 18 NRI hazard categories returns an error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 3,
"peril": "wildfire",
"state": "CA",
"source": "FEMA National Risk Index (County), December 2025 (v1.20.0)",
"counties": [
{
"fips": "06073",
"county": null,
"eal_score": 100,
"eal_total": 430155987,
"eal_rating": "Very High",
"population": 3298634,
"risk_score": 99.8,
"county_name": "San Diego",
"risk_rating": "Very High",
"sovi_rating": "Relatively Moderate"
},
{
"fips": "06065",
"county": null,
"eal_score": 99.9,
"eal_total": 346642805,
"eal_rating": "Very High",
"population": 2418185,
"risk_score": 99.4,
"county_name": "Riverside",
"risk_rating": "Very High",
"sovi_rating": "Relatively High"
},
{
"fips": "06037",
"county": null,
"eal_score": 99.7,
"eal_total": 155191812,
"eal_rating": "Very High",
"population": 10105518,
"risk_score": 100,
"county_name": "Los Angeles",
"risk_rating": "Very High",
"sovi_rating": "Relatively High"
}
],
"data_as_of": "1.20.0",
"report_date": "2026-07-14",
"coverage_note": "Hazard scores are FEMA National Risk Index (NRI) county-level figures ... not endorsed by FEMA."
}
}Tags
x402
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