# FieldPulse Planting Window Optimizer

> FieldPulse Planting Window Optimizer is a paid API for AI agents from fieldpulse.theaslangroupllc.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Returns optimal planting dates and windows for any crop and location based on live soil temperature, frost dates, crop calendar, and growing-degree-day requirements.

## Facts

- Endpoint: GET https://fieldpulse.theaslangroupllc.com/api/planting-window
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fieldpulse-planting-window-optimizer-a014f2da
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_oc4dazpJPQTMNIVj8wQ8k

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-planting-window-optimizer-a014f2da
```

Example prompt: What's the optimal planting window for corn in central Iowa this spring — factor in the current soil temperature, last frost date, and growing-degree-day requirements so I know the best dates to plant?

## When to prefer this

Use this endpoint when a grower or farm-management agent needs to determine the scientifically optimal planting window for a specific crop at a specific location, especially when live soil temperature and frost-date data are needed alongside growing-degree-day calculations. Prefer this over generic calendar-based advisors when real-time environmental data and crop-specific parameters are required.

## Known failure modes

- Unsupported crop type returns an error or empty result
- Location outside coverage area returns no data
- Missing required parameters (crop or location) return a 400 bad request
- Stale or unavailable soil temperature data may reduce accuracy or trigger a fallback
- Frost date data unavailable for very remote locations

## How this service works

Planting window optimizer for grower and farmer agents. Returns optimal planting dates from live air temperature, observed soil wetness, frost dates, crop calendar, and growing-degree-day requirements.

## Output

Returns optimal planting start and end dates, current soil temperature readings, relevant frost date thresholds, growing-degree-day accumulation schedule, and crop calendar data specific to the requested crop and location.

## 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"
      },
      "crop": {
       "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": {
  "crop": "potatoes",
  "frost_risk": {
   "frost_in_forecast": false,
   "coldest_forecast_night_c": 4.2
  },
  "hemisphere": "northern",
  "field_readiness": {
   "ready": "probe_required",
   "soil_temperature_c": null,
   "soil_wetness_as_of": "2026-07-09",
   "soil_temperature_note": "NOT AVAILABLE — no licensed source publishes soil temperature. Germination thresholds are defined on soil temperature, so take a field probe reading before committing.",
   "air_temp_min_c_next_7d": 6.1,
   "air_temp_mean_c_next_7d": 12.4,
   "soil_wetness_surface_frac_0_1": 0.52
  },
  "planting_recommendation": {
   "status": "good",
   "optimal_window_end": "2026-05-10",
   "recommended_action": "Conditions look favourable — confirm with a soil-probe reading before drilling",
   "optimal_window_start": "2026-04-15"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fieldpulse-planting-window-optimizer-a014f2da/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from fieldpulse.theaslangroupllc.com](https://www.zero.xyz/host/fieldpulse.theaslangroupllc.com/llms.txt)