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x402 Hail History
x402
x402 Hail History is a paid API for AI agents from hail.kagurazaka.dev, paid per call via x402, $0.5/call, status unknown (last checked 2026-11-02).
Returns every day with hail at a US address or lat/lon over up to 5 years, including largest hail size per day from NOAA MRMS MESH radar data.
Price / call$0.5
Success—
StatusUnknown
How this service works
Every day with hail at a US address or lat/lon over up to 5 years (from 2020-10-14): the dates when NOAA's radar estimate of hail size (MRMS MESH) reached 0.75 inch or a size you choose within 1, 3, 5 or 10 miles, with the largest size each day. For property due diligence, roof age questions and claim history. Not found addresses are not charged.
Output
A JSON object listing every day with hail at the queried location within the specified radius and size threshold, including the date, maximum nearby hail size, at-location hail size, a summary of the largest event, total count of hail days, the matched location coordinates, and any relevant notes about data coverage or geocoding.
Example use cases
Pre-purchase property hail due diligence
“I'm buying a house at 412 Elm Street, Norman, OK 73069 — can you check if it's had any hail hits of 1 inch or bigger within 3 miles over the past 5 years? I want to know how many times and the biggest size each day.”
Insurance claim hail verification
“My client is filing a claim for roof damage at 5501 N Broadway Ave, Oklahoma City, OK 73112. Can you pull the hail history within 1 mile of that address from 2022-01-01 to 2023-12-31 and tell me the largest hail size recorded on each day?”
Roofing contractor age-of-roof estimate
“We're quoting a roof replacement for a property at 37.1 latitude, -88.96 longitude — can you show me every hail event within 5 miles since 2020 with hail at least 0.75 inches so we can estimate the roof wear?”
Technical details
Endpoint
GEThttps://hail.kagurazaka.dev/v1/hail/history?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a multi-year chronological log of all hail events at a specific US property or coordinate — ideal for insurance claim verification, roof age assessment, property due diligence, or any workflow requiring date-stamped hail size history. Prefer this over point-in-time hail lookups when you need the full historical picture across multiple events rather than a single date.
Side effects
- Address not found or cannot be geocoded — request is not charged, returns a not-found result
- Invalid date range (e.g. before 2020-10-14 or future dates beyond available data)
- Invalid radius value (must be 1, 3, 5, or 10 miles)
- Minimum hail size out of range (must be 0.75 to 4 inches)
- No hail events found for the location/period — returns count:0 with empty days array
- Payment not completed via x402 protocol — request blocked
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"to": "2025-05-16",
"days": [
{
"date": "2025-05-16",
"max_size_in": 2.19,
"at_location_in": 1.08
}
],
"from": "2025-05-16",
"count": 1,
"notes": [
"..."
],
"largest": {
"date": "2025-05-16",
"max_size_in": 2.19
},
"location": {
"lat": 37.1,
"lon": -88.96,
"input": "37.1,-88.96",
"matched": "37.1, -88.96",
"geocoder": "none"
},
"radius_mi": 3,
"min_size_in": 0.75
}
}Tags
x402
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