# HALOWERK Baltic Land – Lithuania Soil Bulk Density (0–5 cm)

> HALOWERK Baltic Land – Lithuania Soil Bulk Density (0–5 cm) is a paid API for AI agents from baltikum.halowerk.com, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-15).

Returns the mean SoilGrids bulk density for the 0–5 cm soil layer at a given WGS84 coordinate within Lithuania, validated against the Natural Earth boundary.

## Facts

- Endpoint: POST https://baltikum.halowerk.com/v1/lt-soil-bulk-density
- 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-baltic-land-lithuania-soil-bulk-density-0-5-cm-735c101b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_k2r7FnKTPcXB_b5a1cdMn

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-baltic-land-lithuania-soil-bulk-density-0-5-cm-735c101b -d '<json body>'
```

Example prompt: What's the mean soil bulk density for the top 5 cm at latitude 54.6872, longitude 25.2797 in Lithuania?

## When to prefer this

Choose this endpoint when you need a point-level mean soil bulk density for a location within Lithuania specifically, derived from the SoilGrids global dataset, particularly for agricultural, environmental, or geospatial workflows operating at the 0–5 cm surface layer. It is geographically scoped to Lithuania and will reject coordinates outside that boundary, making it ideal for Lithuanian land analysis rather than pan-European or global queries.

## Known failure modes

- Coordinate outside Lithuania boundary: request rejected before payment is charged
- Latitude or longitude out of European coverage range (lat 34–72.5, lon -31.5–40.5): validation error
- Malformed or missing coordinates: schema validation error
- SoilGrids data unavailable for the queried point: no-data response
- Payment failure via x402 protocol: request not fulfilled

## How this service works

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

## Output

A numeric mean bulk density value (likely in kg/m³ or g/cm³) for the 0–5 cm soil layer at the queried coordinate, derived from the SoilGrids dataset. Coordinates outside Lithuania are rejected before processing.

## 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-baltic-land-lithuania-soil-bulk-density-0-5-cm-735c101b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from baltikum.halowerk.com](https://www.zero.xyz/host/baltikum.halowerk.com/llms.txt)