The administrative boundary of Saint Johns County, a county in Florida, the United States, covering 2,127.6 km². Get its polygon in one call, as GeoJSON, KML, WKT, GML or SVG.
About 227,000 people live in Saint Johns County. Its 2,128 km² are 1.1% of Florida.
Copy-paste calls for r1210689. One unit each with a free key; the low-detail polygon also works without one.
curl "https://geocodeai.dev/v1/boundaries/r1210689?detail=medium" \
-H "Authorization: Bearer $GEOCODE_API_KEY"curl -X POST "https://geocodeai.dev/v1/boundaries/r1210689/contains" \
-H "Authorization: Bearer $GEOCODE_API_KEY" \
-H "Content-Type: application/json" \
-d '{"points":[[-81.4161,29.9377]]}'Every format and detail level below needs a free API key. Get a free API key
https://geocodeai.dev/v1/boundaries/r1210689.geojson?detail=mediumhttps://geocodeai.dev/v1/boundaries/r1210689.kml?detail=mediumhttps://geocodeai.dev/v1/boundaries/r1210689.wkt?detail=mediumhttps://geocodeai.dev/v1/boundaries/r1210689.svg?detail=mediumhttps://geocodeai.dev/v1/boundaries/r1210689.gml?detail=mediumEach export redirects to a permanent CDN file. Add ?detail=low|medium|high|full. Formats
Get the Saint Johns County boundary (r1210689) from Geocode AI as GeoJSON and tell me which of my locations are inside it.With the MCP server or the Claude and Codex plugins.
Boundary data © OpenStreetMap contributors, ODbL. Need several boundaries as one zone, or a zone written in words?