# FieldPulse Soil Intelligence API

> FieldPulse Soil Intelligence API is a paid API for AI agents from fieldpulse-tan.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-15).

Returns live soil moisture at multiple depths, soil temperature, evapotranspiration, and soil-health signals for any geographic location.

## Facts

- Endpoint: GET https://fieldpulse-tan.vercel.app/api/soil-intel
- Price: $0.08/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fieldpulse-soil-intelligence-api-8dac6efe
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_x5NjWz2ApUHSUOf4PgQUZ

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 fieldpulse-soil-intelligence-api-8dac6efe
```

Example prompt: Pull the live soil intelligence for my field at 38.9°N, 121.4°W — I need current soil moisture at all available depths, soil temperature, and today's evapotranspiration rate so I can decide whether to irrigate.

## When to prefer this

Choose this endpoint when you need real-time, multi-depth soil moisture and temperature data alongside evapotranspiration for a specific field location. It is the right choice for grower or agronomist agents making same-day irrigation decisions, soil health monitoring, or building soil condition baselines. Prefer this over weather-only endpoints when subsurface soil state — not just surface climate — is required.

## Known failure modes

- Invalid or out-of-bounds coordinates return an error — ensure lat/lon are within supported geographic coverage
- Payment not accepted or insufficient USDC balance results in 402 response
- Location with no sensor data coverage returns empty or null soil readings
- Rate limiting may occur under high request volume
- Network timeout if backend soil data sources are temporarily unavailable

## How this service works

Soil intelligence for grower and agronomist agents. Returns live soil moisture at multiple depths, soil temperature, evapotranspiration, and soil-health signals for any location.

## Output

Returns live soil moisture readings stratified by depth (e.g. 0-10cm, 10-40cm, 40-100cm), current soil temperature, evapotranspiration (ET0) value, and composite soil-health signals for the specified location — giving growers and agronomists a real-time underground picture of field conditions.

## 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",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {
      "lat": {
       "type": "string"
      },
      "lon": {
       "type": "string"
      },
      "lang": {
       "type": "string"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "errors": {
     "type": "object",
     "description": "Documented error responses, keyed by HTTP status code",
     "additionalProperties": {
      "type": "object",
      "required": [
       "description"
      ],
      "properties": {
       "example": {
        "type": "object"
       },
       "description": {
        "type": "string"
       }
      }
     }
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "soil_moisture": {
   "status": "optimal",
   "mid_7_28cm": 0.27,
   "surface_0_7cm": 0.31,
   "field_capacity_pct": "78%"
  },
  "soil_temperature": {
   "status": "adequate",
   "surface_c": 14.2,
   "crop_threshold_note": "Above 10°C minimum for most cereal germination"
  },
  "evapotranspiration": {
   "et0_mm_today": 3.8,
   "interpretation": "Moderate water demand — irrigate every 4-5 days for sandy loam",
   "et0_mm_7day_avg": 3.5
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fieldpulse-soil-intelligence-api-8dac6efe/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from fieldpulse-tan.vercel.app](https://www.zero.xyz/host/fieldpulse-tan.vercel.app/llms.txt)