# Routing API

> External service (Google Maps, Mapbox, OSRM) that computes real driving distance and time.

**URL:** https://quilometragem.com/glossary/routing-api

**Summary:** External service (Google Maps, Mapbox, OSRM) that computes real driving distance and time.

- A routing API takes origin and destination (and optional waypoints) and returns real driving distance, estimated time, and route geometry.
- Providers: Google Maps Directions, Mapbox Directions, OSRM (open-source), HERE, TomTom.
- Typical paid cost: US$5/1,000 calls.
- Mileage apps wrap this call and return the result formatted into the receipt.

A routing API takes origin and destination (and optional waypoints) and returns real driving distance, estimated time, and route geometry. Providers: Google Maps Directions, Mapbox Directions, OSRM (open-source), HERE, TomTom. Typical paid cost: US$5/1,000 calls. Mileage apps wrap this call and return the result formatted into the receipt.