Python client for requests to openrouteservice API services

routing, accessibility, router, OSM, ORS, openrouteservice, openstreetmap, isochrone, POI, elevation, DEM, api, directions-api, geocoding-api, isochrones, python, routing-engine
pip install openrouteservice==2.3.3


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The openrouteservice library gives you painless access to the openrouteservice (ORS) routing API's. It performs requests against our API's for

For further details, please visit:

We also have a repo with a few useful examples here.

For support, please ask our forum.

By using this library, you agree to the ORS terms and conditions.


openrouteservice-py is tested against CPython 3.7, 3.8 and 3.9, and PyPy3.

For setting up a testing environment, install requirements-dev.txt:

pip install -r requirements-dev.txt


To install from PyPI, simply use pip:

pip install openrouteservice

To install the latest and greatest from source:

pip install git+git://


If you want to run the unit tests, see Requirements. cd to the library directory and run:

nosetests -v

-v flag for verbose output (recommended).


For an interactive Jupyter notebook have a look on

Basic example

import openrouteservice

coords = ((8.34234,48.23424),(8.34423,48.26424))

client = openrouteservice.Client(key='') # Specify your personal API key
routes = client.directions(coords)


For convenience, all request performing module methods are wrapped inside the client class. This has the disadvantage, that your IDE can't auto-show all positional and optional arguments for the different methods. And there are a lot!

The slightly more verbose alternative, preserving your IDE's smart functions, is

import openrouteservice
from openrouteservice.directions import directions

    coords = ((8.34234,48.23424),(8.34423,48.26424))

    client = openrouteservice.Client(key='') # Specify your personal API key
    routes = directions(client, coords) # Now it shows you all arguments for .directions

Optimize route

If you want to optimize the order of multiple waypoints in a simple Traveling Salesman Problem, you can pass a optimize_waypoints parameter:

import openrouteservice

coords = ((8.34234,48.23424),(8.34423,48.26424), (8.34523,48.24424), (8.41423,48.21424))

client = openrouteservice.Client(key='') # Specify your personal API key
routes = client.directions(coords, profile='cycling-regular', optimize_waypoints=True)


Decode Polyline

By default, the directions API returns encoded polylines. To decode to a dict, which is a GeoJSON geometry object, simply do

import openrouteservice
from openrouteservice import convert

coords = ((8.34234,48.23424),(8.34423,48.26424))

client = openrouteservice.Client(key='') # Specify your personal API key

# decode_polyline needs the geometry only
geometry = client.directions(coords)['routes'][0]['geometry']

decoded = convert.decode_polyline(geometry)


Dry run

Although errors in query creation should be handled quite decently, you can do a dry run to print the request and its parameters:

import openrouteservice

coords = ((8.34234,48.23424),(8.34423,48.26424))

client = openrouteservice.Client()
client.directions(coords, dry_run='true')

Local ORS instance

If you're hosting your own ORS instance, you can alter the base_url parameter to fit your own:

import openrouteservice

coords = ((8.34234,48.23424),(8.34423,48.26424))

# key can be omitted for local host
client = openrouteservice.Client(base_url='http://localhost/ors')

# Only works if you didn't change the ORS endpoints manually
routes = client.directions(coords)

# If you did change the ORS endpoints for some reason
# you'll have to pass url and required parameters explicitly:
routes = client.request(
      'coordinates': coords,
      'profile': 'driving-car',
      'format': 'geojson'


For general support and questions, contact our forum.

For issues/bugs/enhancement suggestions, please use


This library is based on the very elegant codebase from googlemaps.