Overview
Transport for UK (TransportAPI) is a comprehensive transport data platform covering trains, buses, trams, and more across the United Kingdom. It provides real-time departures, journey planning, and timetable data from multiple operators in a unified JSON API. An API key is required — sign up for a free developer account at developer.transportapi.com with 1,000 calls per day.
Beginner Tip
Sign up at developer.transportapi.com for a free app_id and app_key. The bus live departures endpoint is a great starting point: use a UK bus stop ATCO code and your credentials to get live arrivals.
Available Data
The kind of data this API exposes, based on its documentation. We could not call the endpoint to confirm the exact field names.
Example Response
Illustrative shape only — we were not able to call this endpoint (it requires credentials or exposes no public sample URL), so the fields below show the kind of data this API returns rather than a recorded response.
{
"route": "Line 1",
"origin": "Station A",
"destination": "Station B",
"departure": "08:30",
"arrival": "09:15",
"status": "On Time",
"delays_min": 0
} Field Reference
departures Map of route names to arrays of upcoming departures. departures[route][].line Bus line number or route identifier. departures[route][].direction Final destination or direction of the bus. departures[route][].aimed_departure_time Scheduled departure time in HH:MM format. departures[route][].expected_departure_time Real-time expected departure time, updated live. stop_name Official name of the bus stop queried. Implementation Example
Calls a real endpoint of this API. Replace any placeholder credentials with your own key.
const url = "https://transportapi.com/v3/uk/bus/stop/490014051W/live.json?app_id=YOUR_APP_ID&app_key=YOUR_APP_KEY&group=route&nextbuses=yes";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
headers: {
"X-API-Key": "YOUR_API_KEY"
}
});
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.
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.
Metadata Score Breakdown
Estimated from metadata — endpoint not independently tested
Metadata estimate · endpoint not independently tested
Technical Specifications
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