London Live Train Arrivals at a Station on a Line, Platform and Minutes Away (TfL)

tfl/stop-arrivals

Live arrival predictions for one station on one or more London lines, from a line id (for example victoria, or victoria,northern) and the station's NaPTAN id (for example 940GZZLUVIC for Victoria Underground). For each train the platform, direction, destination, current location, seconds to the station and expected arrival time. A station not served by the line gives an empty list. Station ids come from the stop-search tool. Returned as a list under results, about 12 KB. Powered by TfL Open Data; cached for 30 seconds. Passed through unmodified and served by Eden Engine; not an official Transport for London product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.

Data source

Transport for London

Powered by TfL Open Data. Contains OS data © Crown copyright and database rights 2016 and Geomni UK Map data © and database rights 2019. Served by Eden Engine; not an official Transport for London product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

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agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "tfl/stop-arrivals" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "tfl/stop-arrivals" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "tfl/stop-arrivals", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "tfl/stop-arrivals", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

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Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 21, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "line",
    "stop_id"
  ],
  "properties": {
    "line": {
      "type": "string",
      "pattern": "^[a-z0-9-]{2,40}(,[a-z0-9-]{2,40}){0,4}$",
      "description": "One to five line ids, comma separated with no spaces, lowercase, for example victoria or victoria,northern. Others: central, district, jubilee, elizabeth, dlr."
    },
    "stop_id": {
      "type": "string",
      "pattern": "^[A-Za-z0-9]{3,30}$",
      "description": "The station's NaPTAN id from the stop-search tool, for example 940GZZLUVIC (Victoria Underground) or 940GZZLUKSX."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "results"
  ],
  "properties": {
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string"
          },
          "lineId": {
            "type": "string"
          },
          "towards": {
            "type": "string"
          },
          "lineName": {
            "type": "string"
          },
          "naptanId": {
            "type": "string"
          },
          "direction": {
            "type": "string"
          },
          "timestamp": {
            "type": "string"
          },
          "vehicleId": {
            "type": "string"
          },
          "stationName": {
            "type": "string"
          },
          "platformName": {
            "type": "string"
          },
          "timeToStation": {
            "type": "integer",
            "description": "Seconds until the train reaches the station."
          },
          "currentLocation": {
            "type": "string"
          },
          "destinationName": {
            "type": "string"
          },
          "expectedArrival": {
            "type": "string"
          }
        },
        "additionalProperties": true
      },
      "description": "One entry per predicted train, in no fixed order; empty when the line does not serve the station."
    }
  },
  "additionalProperties": true
}