fittings-spatial-point-in-polygon

Installation
SKILL.md

Point in polygon

spatial.point-in-polygon on https://fittings.sh. One endpoint, deterministic compute.

Whether a coordinate falls inside a GeoJSON Polygon or MultiPolygon, honouring holes and reporting boundary hits.

The call

POST https://fittings.sh/v1/spatial/point-in-polygon
Field Type Required Notes
point object yes {lat, lon} or GeoJSON [longitude, latitude]
polygon object yes GeoJSON Polygon, MultiPolygon, Feature or bare ring, up to 20000 vertices
ignoreBoundary boolean no Treat a point on an edge as outside. Defaults to false.

Example input:

Installs
15
First Seen
Aug 16, 2026