Request
{
"body": {
"address": "1 E Edenton St, Raleigh, NC 27601"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Response
{
"example": {
"cache": {
"fetchedAt": "2026-09-09T15:21:08.094Z",
"hit": true
},
"caveats": [
"EPA's map is county-level radon potential, not a building-specific radon measurement.",
"EPA says the map should not be used to decide whether an individual home needs testing; test the building to know the indoor radon level.",
"This is a testing and disclosure follow-up item, not a medical, safety, exposure, or mitigation conclusion."
],
"county": "Wake County",
"countyFips5": "37183",
"countyState": "Wake, NC",
"epaHighRadonPotential": false,
"epaRegion": "4",
"matched": true,
"note": "Awareness/diagnostic only. Full briefs are x402-paid. Agents can discover live free tools at https://api.locus.report/tools/list and paid tools, prices, and manifests at https://api.locus.report/.well-known/ai-tool/index.json.",
"ok": true,
"overhangs": [],
"point": {
"latitude": 35.780418000003195,
"longitude": -78.63910200000142
},
"provenance": {
"coverage": "United States, county-level",
"source": "EPA Map of Radon Zones",
"sourceData": "https://www.epa.gov/system/files/other-files/2024-06/radon-zones-202406.json",
"sourcePage": "https://www.epa.gov/radon/epa-map-radon-zones-0",
"sourceWorkbook": "https://www.epa.gov/system/files/documents/2024-05/radon_zones-spreadsheet.xls",
"stateSupportingDocuments": "https://www.epa.gov/radon/epa-maps-radon-zones-and-supporting-documents-state"
},
"radonZone": 2,
"resolvedCounty": {
"countyFips3": "183",
"countyFips5": "37183",
"countyName": "Wake County",
"stateAbbr": "NC",
"stateFips": "37"
},
"state": "North Carolina",
"stateAbbr": "NC",
"verifyNext": [
{
"source": "EPA Map of Radon Zones",
"step": "Confirm the county's EPA radon-zone entry in the official EPA text-version dataset.",
"url": "https://www.epa.gov/system/files/other-files/2024-06/radon-zones-202406.json"
},
{
"source": "EPA Map of Radon Zones",
"step": "Use building-specific radon testing before treating the county zone as actionable for a particular home or unit.",
"url": "https://www.epa.gov/radon/epa-map-radon-zones-0"
}
],
"zoneMeaning": "moderate EPA radon potential category"
},
"type": "json"
}