Isochrone API

GET /isochrone/v1/{profile}/{lon,lat}

Query parameters:

• contours_minutes: comma-separated contour times.
• contours_meters: comma-separated contour distances converted to kilometers for Valhalla.
• polygons: defaults to true; pass false for non-polygon output.

If no contour is provided, the API requests a 15 minute contour. Requests require API key or session auth.