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Transport for United States

Live bus and transit predictions across US agencies

🚆 TransportUNMONITORED
AUTH NONECORS ✓AGENT ?HTTPS ✓COMMERCIAL ?

The Umo IQ (formerly NextBus) public JSON feed covers dozens of North American transit agencies. Start from the agency list, then drill into routes, stops and real-time vehicle predictions, no key needed.

—HOW IT'S SCORED ⓘ
▶ Run liveDocs ↗
Status badge · for your READMEshipapis health badge: — · unmonitored
ON PROBE SCHEDULE

We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗

Uptime historystarts after first probe

On our probe schedule. Uptime charts appear after the first check lands.

Example responsefrom provider docs — not verified by us
GET https://retro.umoiq.com/service/publicJSONFeed?command=agencyList

{
  "copyright": "All data copyright agencies listed below and Umo IQ 2026.",
  "agency": [
    {
      "tag": "jhu-apl",
      "regionTitle": "Maryland",
      "title": "APL"
    }
  ]
}
Call itcurl · fetch · python
curl "https://retro.umoiq.com/service/publicJSONFeed?command=agencyList"
const res = await fetch("https://retro.umoiq.com/service/publicJSONFeed?command=agencyList");
const data = await res.json();
console.log(data);
import requests

res = requests.get("https://retro.umoiq.com/service/publicJSONFeed?command=agencyList")
print(res.json())
Endpoints · 6On scheduleFULL DOCS ↗
On schedule — GET /service/publicJSONFeed?command=agencyList awaits first probe
GET/service/publicJSONFeed?command=agencyListPROBED

Live bus and transit predictions across US agencies

GET/service

Service — documented GET route.

GET/service/1

Service details by ID (example: 1).

GET/service?limit=10

Service — documented GET route.

GET/service/search?q=test

Search by query parameters.

GET/service/publicJSONFeed?limit=5

PublicJSONFeed — documented GET route.

Machine-readable spec

We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.

Response-shape history

Not tracked yet. Shape-change history starts once this API joins our probe schedule.

Transport for United States: common questions

Is Transport for United States free to use?

Yes — Transport for United States is a free transport API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.

Does Transport for United States need an API key?

No — Transport for United States needs no API key or signup. You can call it straight away; rate limits still apply (Unpublished).

Can I call Transport for United States from the browser?

Yes — Transport for United States returns CORS headers over HTTPS, so front-end code can fetch it directly with no backend proxy. Use the fetch snippet on this page, or hit "Run live" to try it now.

Is Transport for United States up right now?

Transport for United States is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.