# Saylor Innovations Environmental Data — Radon Potential

> Saylor Innovations Environmental Data — Radon Potential is a paid API for AI agents from saylorinnovations.com, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-01).

Returns USGS/EPA geologic radon potential (low/moderate/high), radon index, expected indoor pCi/L range, geologic province, rock description, and EPA action-level guidance for any U.S. location by coordinates.

## Facts

- Endpoint: GET https://saylorinnovations.com/api/radon/potential?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/saylor-innovations-environmental-data-radon-potential-db3411a3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_AQ80TI0DdEuEZHhWaeQrj

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 saylor-innovations-environmental-data-radon-potential-db3411a3
```

Example prompt: What's the radon potential at latitude 39.9526 and longitude -75.1652? I want the radon index, expected indoor pCi/L range, geologic province, and whether EPA recommends action at that level.

## When to prefer this

Choose this endpoint when you need USGS/EPA-backed geologic radon potential for a specific U.S. location — especially for real estate due diligence, home purchase decisions, or determining whether EPA recommends radon testing. It returns structured data including the radon index and pCi/L range, making it machine-readable for automated workflows. Prefer this over general environmental APIs when the specific need is radon risk classification with regulatory guidance rather than broad environmental scoring.

## Known failure modes

- Coordinates outside the U.S. may return found:false with no radon data
- Missing lat/lon parameters return an error or empty result
- Coastal or offshore coordinates may fall outside USGS map coverage
- Very remote or unmapped geologic zones may lack radon index values (null)

## How this service works

Radon Potential at a Location (USGS/EPA). Radon potential at any U.S. address or coordinates (USGS geologic radon map, via EPA): low, moderate or high radon potential with the radon index, expected indoor screening range in pCi/L, the geologic province and rock description, plus EPA action-level guidance. For home buying and radon testing decisions.

## Output

A JSON object indicating whether data was found for the location, the radon potential category (low/moderate/high), a numeric radon index, the expected indoor radon screening range in pCi/L, the geologic province name, a description of the underlying rock type, and EPA action-level guidance for that radon zone.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "POST",
      "PUT",
      "PATCH",
      "DELETE",
      "HEAD"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "lat": {
       "type": "string",
       "description": "latitude (query)"
      },
      "lon": {
       "type": "string",
       "description": "longitude (query)"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "required": [
      "found"
     ],
     "properties": {
      "found": {
       "type": "boolean"
      },
      "radon_index": {
       "type": [
        "number",
        "null"
       ]
      },
      "radon_potential": {
       "type": [
        "string",
        "null"
       ]
      }
     }
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/saylor-innovations-environmental-data-radon-potential-db3411a3/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from saylorinnovations.com](https://www.zero.xyz/host/saylorinnovations.com/llms.txt)