# HALOWERK Atlantic Land – Ireland Drainage Tendency

> HALOWERK Atlantic Land – Ireland Drainage Tendency is a paid API for AI agents from atlantikland.halowerk.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).

Returns a relative runoff tendency score for a given coordinate in Ireland, derived from terrain slope and surface ruggedness.

## Facts

- Endpoint: POST https://atlantikland.halowerk.com/v1/ie-drainage-tendency
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/halowerk-atlantic-land-ireland-drainage-tendency-70fd96b9
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_gAiDS0v-0Mw-ur_P_MzJ9

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-ireland-drainage-tendency-70fd96b9 -d '<json body>'
```

Example prompt: What's the relative runoff tendency at latitude 53.35, longitude -6.26 in Ireland — how likely is surface water to drain or pool there based on the slope and terrain ruggedness?

## When to prefer this

Use this endpoint when you need a terrain-derived relative runoff or drainage tendency score specifically for a point location in Ireland. It is the right choice when your analysis depends on slope and ruggedness as proxies for surface water behavior, such as for agricultural suitability, land purchase due diligence, or environmental site screening. Prefer it over generic elevation APIs when you need an Ireland-validated, hydrology-oriented computed index rather than raw elevation data.

## Known failure modes

- Coordinate outside Ireland boundary — request rejected with a boundary validation error before payment
- Coordinate within European schema bounds but outside Ireland — rejected at country validation step
- Missing or malformed latitude/longitude — schema validation error
- Latitude or longitude out of the declared European coverage range (lat 34–72.5, lon -31.5–40.5) — rejected at input validation
- Service unavailable or upstream terrain data error — 5xx response

## How this service works

Relative runoff tendency derived from slope and ruggedness. The coordinate is validated against the Natural Earth boundary for Ireland; results outside it are rejected before payment.

## Output

A numeric relative runoff tendency value (and possibly a qualitative rating) derived from terrain slope and surface ruggedness at the queried coordinate. The coordinate is first validated to fall within the Natural Earth boundary for Ireland; if outside that boundary, the request is rejected before any payment is processed.

## 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-ireland-drainage-tendency-70fd96b9/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)