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boring-api · geo — Polygon Area Calculator
x402
boring-api · geo — Polygon Area Calculator is a paid API for AI agents from geo.boring-api.com, paid per call via x402, $0.0005/call, status unknown (last checked 2026-09-15).
Computes the area of a GeoJSON polygon using pure in-Worker spatial math, with no external API calls.
Price / call$0.0005
Success—
StatusUnknown
How this service works
Pure-library spatial math and timezone lookup. Distance, bearing, polygons, point-in-polygon, timezone-by-coords. No external API calls — all computed in-Worker.
Output
Returns an object containing the computed area of the provided GeoJSON polygon, calculated entirely in-Worker without external API dependencies.
Example use cases
Example prompt
“What's the area of this polygon? Here's the GeoJSON: {"type":"Polygon","coordinates":[[[-73.9857,40.7484],[-73.9857,40.7580],[-73.9720,40.7580],[-73.9720,40.7484],[-73.9857,40.7484]]]}”
Technical details
Endpoint
POSThttps://geo.boring-api.com/polygon-areaWhen to prefer
Choose this endpoint when you need fast, cheap, serverless polygon area computation from a GeoJSON geometry with no external API dependency. Ideal for GIS workflows, land measurement, geofencing analysis, or any scenario requiring area calculation without a full mapping platform subscription.
Side effects
- Invalid or malformed GeoJSON polygon input returns an error
- Missing polygon property in request body
- Unclosed polygon ring (first and last coordinate not matching) may cause errors
- Self-intersecting polygon may produce incorrect results
- Non-polygon GeoJSON types (Point, LineString) may be rejected
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| polygon | object | GeoJSON Polygon Feature/Geometry |
Output
Schema · Response
{
"type": "object"
}Tags
x402
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