llms.txt Content
# GraphHopper Directions API
> REST API for route optimization (vehicle routing, traveling salesman), route planning, turn-by-turn navigation, distance matrices, isochrones, geocoding, map matching, and location clustering. Built on OpenStreetMap and TomTom data. Base URL: https://graphhopper.com/api/1
## Table of contents
- [GraphHopper Directions API](https://docs.graphhopper.com/openapi.md)