Actinia Grass GIS
Actinia is an open source REST API for geographical data that uses GRASS GIS
apiKey HTTPS CORS: unknown
What3Words
| Category | Geocoding |
|---|---|
| Authentication | apiKey |
| HTTPS | Yes |
| CORS | unknown |
| Difficulty | intermediate |
| Official URL | https://what3words.com |
| Added Date | 2026-04-01 |
| Last Verified | 2026-04-01 |
About this API
What3Words is a geocoding API described as: Three words as rememberable and unique coordinates worldwide. It is useful when you need programmatic access to three words as rememberable and unique coordinates worldwide from applications, dashboards, or internal tools. The published entry point or documentation is hosted at what3words.com, which makes it a practical starting point for evaluating available endpoints and response formats. The listing indicates API-key-based access, which is typical for server-side integrations, scheduled jobs, and controlled client applications.
Use Cases
- Add three words as rememberable and unique coordinates worldwide to a geocoding discovery or reference application.
- Build an internal script or scheduled job that pulls data from What3Words for reporting or content updates.
- Prototype a small web or mobile experience that surfaces three words as rememberable and unique coordinates worldwide to end users.
Code Examples
const url = "https://what3words.com/";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"X-API-Key": "YOUR_API_KEY"
}
});
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
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