---
title: "Deploy Is On Water"
description: "Check if coordinate is on water (seas, lakes, and rivers) with 1m precision"
category: "Other"
url: https://railway.com/deploy/MfUYQX
---

# Deploy Is On Water

Check if coordinate is on water (seas, lakes, and rivers) with 1m precision

**[Deploy Is On Water on Railway](https://railway.com/template/MfUYQX)**

- **Creator:** dillonstreator's Projects
- **Category:** Other
- **Total deploys:** 10

## Template content

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- **Source:** osbytes/is-on-water
- **Health check:** /health
- **Public domain:** Yes

## Documentation

# `is-on-water`

💧HTTP API using reverse geocoding to check whether a geographic coordinate is on water (seas, lakes, and rivers) with 1m precision

- Single coordinate

`GET /api/water?lat=${lat}&lon=${lon}`

- Batch coordinates

`POST /api/water` with body containing array of coordinate objects `[{ lat, lon }, { lat, lon }, ...]`

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