# HALOWERK Atlantic Land – Luxembourg Water & Wetland Share

> HALOWERK Atlantic Land – Luxembourg Water & Wetland Share is a paid API for AI agents from atlantikland.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-13).

Returns the combined share of permanent water, herbaceous wetland, and mangrove land-cover classes for a given coordinate within Luxembourg.

## Facts

- Endpoint: POST https://atlantikland.halowerk.com/v1/lu-water-wetland-share
- Price: $0.003/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-luxembourg-water-wetland-share-265179e8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_JyafgLQY_UdJnW22I1zLT

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-luxembourg-water-wetland-share-265179e8 -d '<json body>'
```

Example prompt: What's the combined share of permanent water, wetland, and mangrove cover around latitude 49.61, longitude 6.13 in Luxembourg? I need the HALOWERK water-wetland fraction for that point.

## When to prefer this

Choose this endpoint when you need a quick, paid-per-call lookup of water and wetland land-cover fractions specifically for a point coordinate within Luxembourg, and you want boundary-validated results derived from ESA WorldCover 2021 classification without running your own raster analysis.

## Known failure modes

- Coordinate outside Luxembourg boundary — request is rejected before payment is charged
- Latitude or longitude outside the published European coverage range (lat 34–72.5, lon -31.5–40.5) — validation error
- Missing latitude or longitude fields — schema validation error
- Payment failure or insufficient USDC balance — transaction not completed, result not returned

## How this service works

Combined share of permanent water, herbaceous wetland and mangrove classes. The coordinate is validated against the Natural Earth boundary for Luxembourg; results outside it are rejected before payment.

## Output

A numeric fraction (0–1 or percentage) representing the combined share of ESA WorldCover-derived permanent water, herbaceous wetland, and mangrove pixels within the analysis grid cell centred on the requested coordinate in Luxembourg. Returns an error or rejection if the coordinate falls outside Luxembourg's Natural Earth boundary.

## 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-luxembourg-water-wetland-share-265179e8/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)