CTS
APIRealtime public transport data API for Strasbourg’s CTS network
Overview
The CTS Realtime API provides access to realtime and static data for Strasbourg’s public transport system (buses, trams, trolleybuses). Key endpoints include realtime vehicle positions, stop arrival/departure times, line routes, schedule details, and service disruptions. Responses are in JSON format. Use cases include building mobile transit apps, web journey planners, digital stop displays, or analytics tools for transport optimization. Developers can retrieve stop info via IDs, track vehicles live, and get delay alerts to improve commuter experiences.
Example Integration (JavaScript)
fetch('https://api.cts-strasbourg.eu/')
.then(res => res.json())
.then(data => console.log(data))
.catch(err => console.error(err)); Key Features
- RESTful API
- JSON Response Format
- Realtime Vehicle Positions
- Stop Arrival/Departure Times
- Line Schedule Data
- Disruption Notifications
Frequently Asked Questions
? Is the CTS API free to use?
Yes, the CTS Realtime API is free for both non-commercial and commercial use, subject to rate limits and terms of service.
? Does it require an API Key?
Yes, you need to register for an API key via the CTS developer portal to access the API endpoints.
? What is the response format?
All API responses are in JSON format, which is easy to parse and integrate into applications.
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Tool Info
Pros
- ⊕ Free access
- ⊕ Comprehensive realtime & static transit data
- ⊕ Covers buses, trams, trolleybuses
- ⊕ Reliable disruption alerts
Cons
- ⊖ Rate-limited for high-volume usage
- ⊖ Only covers Strasbourg’s CTS network
- ⊖ Documentation primarily in French
- ⊖ No official SLA for uptime