Transport for Switzerland API
Overview
Transport for Switzerland (transport.opendata.ch) is a free, community-maintained API for querying Swiss public transport connections, stations, and live departure boards. No authentication is needed — just send a request and get JSON data back. It covers trains, buses, and trams across the entire Swiss transport network.
Beginner Tip
Try the /v1/locations endpoint to search for stations by name and get their IDs, then use those IDs with /v1/stationboard to see live departures. No sign-up or API key required.
Measurement Record
What actually happened when we called this API from our own infrastructure. Every value below was recorded by the request, not copied from the provider's documentation.
- Request
- GET https://transport.opendata.ch/v1/stationboard?station=Zurich&limit=5
- Result
- HTTP 200 · application/json · 28,179 bytes
- Response time
- 1018 ms (median of 3) · fastest 1003 ms
- Transport
- TLSv1.3 · TLS_AES_256_GCM_SHA384 · certificate issued by Let's Encrypt
- Browser CORS
- Allowed — Access-Control-Allow-Origin: *
- Served by
- Apache
- Recorded
- 2026-08-10
Fields Returned
Top-level fields present in the response we captured, with the type and value we actually received.
| Field | Type | Value received |
|---|---|---|
| station | object | {5 fields} |
| stationboard | array | [1 item] |
Captured Response
Captured from a real request to https://transport.opendata.ch/v1/stationboard?station=Zurich&limit=5 on 2026-08-10. Long arrays and nested objects are truncated to keep the shape readable.
{
"station": {
"id": "8503000",
"name": "Zürich HB",
"score": null,
"coordinate": {
"type": "WGS84",
"x": 47.377847,
"y": 8.540502
},
"distance": null
},
"stationboard": [
{
"stop": {
"…": "(10 more fields)"
},
"name": "018583",
"category": "S",
"subcategory": null,
"categoryCode": null,
"number": "5",
"operator": "SBB",
"to": "Rapperswil SG",
"passList": [
{
"…": "(10 more fields)"
}
],
"capacity1st": null,
"capacity2nd": null
}
]
} Field Reference
stationboard List of upcoming departures from the station. Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://transport.opendata.ch/v1/stationboard?station=Zurich&limit=5";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data); What Can You Build?
Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.
How This API Fails
We deliberately sent this API a broken request and recorded exactly what came back on 2026-08-10. Knowing the shape of an error before you hit it makes error handling much easier to write.
{
"errors": [
{
"message": "No route found for \"GET /v1/stationboard/apisscore-nonexistent-path\""
}
]
} Common Errors & Troubleshooting
Generated guidance based on this API's documentation, not observed by us. Treat it as a starting point and check against the provider's own error reference.
Measured Score Breakdown
Live HTTP request to the API endpoint
Fully tested on Aug 10, 2026
Technical Specifications
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