# HALOWERK Atlantic Land – Netherlands Soil Silt Fraction (0-5 cm)

> HALOWERK Atlantic Land – Netherlands Soil Silt Fraction (0-5 cm) is a paid API for AI agents from atlantikland.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-13).

Returns the mean SoilGrids silt fraction for the 0-5 cm soil layer at a given coordinate within the Netherlands.

## Facts

- Endpoint: POST https://atlantikland.halowerk.com/v1/nl-soil-silt
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/halowerk-atlantic-land-netherlands-soil-silt-fraction-0-5-cm-122758fc
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_jhtrtS1KPfjvs6835TOED

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 halowerk-atlantic-land-netherlands-soil-silt-fraction-0-5-cm-122758fc -d '<json body>'
```

Example prompt: What's the mean silt fraction in the top 5 cm of soil at latitude 52.37, longitude 4.89 in the Netherlands? I need the SoilGrids value for that point.

## When to prefer this

Choose this endpoint when you need point-level SoilGrids silt fraction data specifically within the Netherlands, particularly for agricultural, environmental, or land-use applications. Prefer it over generic soil APIs when you need validated boundary enforcement (coordinates outside the Netherlands are rejected before billing) and a pay-per-call micropayment model via x402.

## Known failure modes

- Coordinate outside Netherlands boundary – request rejected before payment with a validation error
- Latitude or longitude outside the allowed European coverage range (lat 34–72.5, lon -31.5–40.5) – schema validation failure
- Network or service timeout – no result returned
- Invalid input types (non-numeric latitude/longitude) – schema validation error

## How this service works

Mean SoilGrids silt fraction for the 0-5 cm layer. The coordinate is validated against the Natural Earth boundary for Netherlands; results outside it are rejected before payment.

## Output

Returns the mean SoilGrids silt fraction value (as a proportion or percentage) for the 0-5 cm soil depth layer at the queried coordinate. Coordinates outside the Netherlands boundary are rejected before any charge is incurred.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "latitude": {
   "type": "number",
   "maximum": 72.5,
   "minimum": 34,
   "description": "WGS84 latitude inside the published European coverage."
  },
  "longitude": {
   "type": "number",
   "maximum": 40.5,
   "minimum": -31.5,
   "description": "WGS84 longitude inside the published European coverage."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/halowerk-atlantic-land-netherlands-soil-silt-fraction-0-5-cm-122758fc/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from atlantikland.halowerk.com](https://www.zero.xyz/host/atlantikland.halowerk.com/llms.txt)