GTFS-RT Trip updates

TEC: bus operator in wallonia, with lines into brussels

Format
GTFS-RT
Updates
Every 20 seconds
Latest snapshot
Snapshots stored
about 832,759
curl -H "Authorization: Bearer $MOBILITYTWIN_TOKEN" -o gtfs-rt-trip-update.pb "https://api.mobilitytwin.brussels/tec/gtfs-rt-trip-update"
Get a token

Delays and cancellations of TEC trips.

A binary GTFS Realtime message (Protocol Buffers). Decode it with gtfs-realtime-bindings.

Which days have data

Data from 30 Mar 2026 to 2 Nov 2026, on 218 days. 30 of the last 30 days have data. A typical day holds 3927 snapshots. Days are in UTC.

2026
JanFebMarAprMayJunJulAugSepOctNovDec
  • Full day
  • Partial, 50–90% of a typical day
  • Low, under 50%
  • No snapshot
  • Not expected

Click a day above, or pick a date, to get its requests.

Parameters

NameMeaning
timestampReturn the last snapshot at or before this moment, in Unix seconds or ISO 8601 (e.g. 2026-05-06T12:00:00Z). Without it, the latest snapshot is returned.

Python example

import requests
from google.transit import gtfs_realtime_pb2

from datetime import datetime, timedelta, timezone

yesterday_noon = (datetime.now(timezone.utc) - timedelta(days=1)).replace(
    hour=12, minute=0, second=0, microsecond=0
)
params = {
    "timestamp": yesterday_noon.isoformat(),   # ISO accepted; epoch also works
}

url = "https://api.mobilitytwin.brussels/tec/gtfs-rt-trip-update"

data = requests.get(url, headers={
        'Authorization': 'Bearer [MY_API_KEY]'
}, params=params).content

feed = gtfs_realtime_pb2.FeedMessage()
feed.ParseFromString(data)

# Show delayed trips (delay > 5 minutes)
for entity in feed.entity:
    tu = entity.trip_update
    for stu in tu.stop_time_update:
        delay = stu.arrival.delay if stu.HasField('arrival') else 0
        if delay > 300:
            print(f"Trip {tu.trip.trip_id} — {delay // 60}min late at stop {stu.stop_id}")