IsItWater

Determine whether a latitude/longitude coordinate is over water using the IsItWater API.

Setup

Before making API calls, check whether the user has an API key configured:

1. Check if ISITWATER_API_KEY is set in the environment.
2. If it is not set:
   • Inform the user: "You need an IsItWater API key. You can get one at https://isitwater.com"
   • Offer to help them sign up using the browser tool — navigate to https://isitwater.com, create an account, and generate an API key from the dashboard.
   • Once the user has a key, guide them to configure it in ~/.openclaw/openclaw.json: