OSRM

What it does

API services

Its services include nearest-road lookup, route, distance or duration tables, map matching, trip optimization, and vector tiles.checked 4 Oct 2026

Demo restrictions

The community demo server is limited to reasonable non-commercial use, at no more than one request per second, and provides no uptime, latency, or data update guarantees.checked 4 Oct 2026

Interfaces

The services are available through an HTTP API, a C++ library interface, and a Node.js wrapper.checked 4 Oct 2026

License

OSRM is free and open source under the simplified 2-clause BSD license.checked 4 Oct 2026

OpenStreetMap

OSRM supports flexible import of OpenStreetMap data.checked 4 Oct 2026

Operating system support

The project distributes Python binding wheels for Linux x86_64 and aarch64, macOS arm64, and Windows x86_64; other platforms may require building from source.checked 4 Oct 2026

Profiles

Transportation mode is determined by a Lua profile used when preparing data, with supplied profiles typically including car, bike, and foot.checked 4 Oct 2026

Purpose

OSRM is a modern C++ routing engine for finding shortest paths in road networks.checked 4 Oct 2026

Routing speed

The project says it handles continental sized networks within milliseconds.checked 4 Oct 2026

Self-hosting

The project recommends Docker images as the quickest way to set up a routing engine.checked 4 Oct 2026

Support

The project describes itself as community maintained and points users to Discord and GitHub discussions, issue triage, and code reviews.checked 4 Oct 2026

Travel modes

The project site lists car, bicycle, and walk modes, customizable through profiles.checked 4 Oct 2026

Trip optimization limit

The trip service approximates the Traveling Salesman Problem and requires all input coordinates to be connected.checked 4 Oct 2026