GraphHopper
A-to-B routing with turn-by-turn instructions
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Transportation
- Documentation / URL
- https://docs.graphhopper.com/
Overview
GraphHopper provides routing/directions — key-based (an invalid key returns 401, verified).
Quick Start
Route (replace YOUR_KEY):
curl "https://graphhopper.com/api/1/route?key=YOUR_KEY&point=52.5,13.4&point=52.6,13.5"
Authentication
- Register at graphhopper.com → API key.
- Send it as the
keyquery parameter (invalid → 401, verified).
Rate Limits & Notes
- Free tier with limits (check the docs); paid plans scale.
- Routing, isochrones, geocoding.
FAQ
Is GraphHopper free? Free tier with limits; more is paid.
Why 401? Invalid keys return 401 (verified) — register for a key.
What’s the auth style?
key query parameter.
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