# HALOWERK Eastern Land – Cyprus Soil Sand Fraction (0-5 cm)

> HALOWERK Eastern Land – Cyprus Soil Sand Fraction (0-5 cm) is a paid API for AI agents from ostland.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-15).

Returns the mean SoilGrids sand fraction for the 0–5 cm soil layer at a given coordinate within Cyprus, validated against the Natural Earth boundary.

## Facts

- Endpoint: POST https://ostland.halowerk.com/v1/cy-soil-sand
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/halowerk-eastern-land-cyprus-soil-sand-fraction-0-5-cm-55619d07
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZwDoGW9y-oPjl_bYqD0AF

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-eastern-land-cyprus-soil-sand-fraction-0-5-cm-55619d07 -d '<json body>'
```

Example prompt: What's the SoilGrids mean sand fraction in the top 5 cm of soil at latitude 34.92, longitude 33.62 in Cyprus?

## When to prefer this

Use this endpoint when you need point-level topsoil sand fraction data specifically for Cyprus, with built-in boundary validation ensuring you only pay for valid in-boundary queries. Prefer over generic soil APIs when Cyprus-specific validation and SoilGrids-sourced data are needed for agriculture, environmental, or land-use analysis workflows.

## Known failure modes

- Coordinate outside Cyprus boundary: request rejected before payment, no charge
- Latitude or longitude out of published European range (34–72.5°N, -31.5–40.5°E): validation error
- Missing required latitude or longitude field: schema validation error
- Network timeout or upstream SoilGrids data unavailability: server error

## How this service works

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

## Output

A numeric mean sand fraction value (likely as a percentage or fraction of soil composition) for the 0–5 cm depth layer at the queried Cyprus coordinate, sourced from SoilGrids. Coordinates outside the Cyprus Natural Earth boundary are rejected before any payment is charged.

## 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-eastern-land-cyprus-soil-sand-fraction-0-5-cm-55619d07/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from ostland.halowerk.com](https://www.zero.xyz/host/ostland.halowerk.com/llms.txt)