fourzerotwo-si London Transport API
London Transport: Live Tube, bus, rail and road status, arrivals, journey planning and bike docks across London.
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OpenAPI Specification
openapi: 3.2.0
info:
title: Fourzerotwo Si London Transport API
version: 1.1.0
contact:
url: https://fourzerotwo.si
description: 'Operations tagged london-transport across 2 of this provider''s published API definitions: openapi.json, fourzerotwo-si-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://fourzerotwo.si
tags:
- name: london-transport
description: 'London Transport: Live Tube, bus, rail and road status, arrivals, journey planning and bike docks across London.'
paths:
/v1/london-transport/tube-status:
get:
operationId: london_transport__tube_status
summary: 'London Transport: Tube status'
description: 'Live status of every Tube line. Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/tube-status
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__tube-status
servers:
- url: https://fourzerotwo.si
/v1/london-transport/mode-status:
get:
operationId: london_transport__mode_status
summary: 'London Transport: Status by mode'
description: 'Live status of every line for a mode (tube, overground, elizabeth-line, dlr, tram, bus). Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/mode-status
parameters:
- name: mode
in: query
required: true
description: Mode
schema:
type: string
example: elizabeth-line
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__mode-status
servers:
- url: https://fourzerotwo.si
/v1/london-transport/line-status:
get:
operationId: london_transport__line_status
summary: 'London Transport: Line status'
description: 'Live status and disruption for one line. Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/line-status
parameters:
- name: line
in: query
required: true
description: Line id, e.g. "victoria", "elizabeth", "northern"
schema:
type: string
example: victoria
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__line-status
servers:
- url: https://fourzerotwo.si
/v1/london-transport/line-arrivals:
get:
operationId: london_transport__line_arrivals
summary: 'London Transport: Line arrivals'
description: 'Live arrival predictions for every stop on a line. Price: $0.002 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/line-arrivals
parameters:
- name: line
in: query
required: true
description: Line id, e.g. "victoria", "elizabeth", "northern"
schema:
type: string
example: victoria
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: sample
x-mcp-tool: london-transport__line-arrivals
servers:
- url: https://fourzerotwo.si
/v1/london-transport/stop-arrivals:
get:
operationId: london_transport__stop_arrivals
summary: 'London Transport: Stop arrivals'
description: 'Live arrival predictions at a stop or station. Price: $0.002 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/stop-arrivals
parameters:
- name: stop
in: query
required: true
description: StopPoint id (NaPTAN), e.g. "940GZZLUOXC" (Oxford Circus)
schema:
type: string
example: 940GZZLUOXC
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: sample
x-mcp-tool: london-transport__stop-arrivals
servers:
- url: https://fourzerotwo.si
/v1/london-transport/stop-search:
get:
operationId: london_transport__stop_search
summary: 'London Transport: Search stops'
description: 'Find stations and stops by name. Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/stop-search
parameters:
- name: q
in: query
required: true
description: Name
schema:
type: string
example: Oxford Circus
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__stop-search
servers:
- url: https://fourzerotwo.si
/v1/london-transport/stop:
get:
operationId: london_transport__stop
summary: 'London Transport: Stop details'
description: 'Lines, modes, facilities and child stops of a station. Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/stop
parameters:
- name: stop
in: query
required: true
description: StopPoint id (NaPTAN), e.g. "940GZZLUOXC" (Oxford Circus)
schema:
type: string
example: 940GZZLUOXC
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__stop
servers:
- url: https://fourzerotwo.si
/v1/london-transport/stops-near:
get:
operationId: london_transport__stops_near
summary: 'London Transport: Stops near a point'
description: 'Stations and stops within a radius of a point. Price: $0.002 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/stops-near
parameters:
- name: lat
in: query
required: true
description: Latitude
schema:
type: string
example: '51.515'
- name: lon
in: query
required: true
description: Longitude
schema:
type: string
example: '-0.1415'
- name: radius
in: query
required: false
description: Metres (default 200)
schema:
type: integer
example: 300
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: sample
x-mcp-tool: london-transport__stops-near
servers:
- url: https://fourzerotwo.si
/v1/london-transport/journey:
get:
operationId: london_transport__journey
summary: 'London Transport: Plan a journey'
description: 'Journey options between two places (postcodes, stop ids or "lat,lon"). Price: $0.003 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/journey
parameters:
- name: from
in: query
required: true
description: Origin
schema:
type: string
example: SW1A 1AA
- name: to
in: query
required: true
description: Destination
schema:
type: string
example: E14 5AB
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.003000'
x-free-tier: sample
x-mcp-tool: london-transport__journey
servers:
- url: https://fourzerotwo.si
/v1/london-transport/bike-points:
get:
operationId: london_transport__bike_points
summary: 'London Transport: Cycle docks'
description: 'Every Santander Cycles docking station with live bike and space counts. Price: $0.002 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/bike-points
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: sample
x-mcp-tool: london-transport__bike-points
servers:
- url: https://fourzerotwo.si
/v1/london-transport/bike-point:
get:
operationId: london_transport__bike_point
summary: 'London Transport: Cycle dock'
description: 'Live bikes, e-bikes and empty docks at one station. Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/bike-point
parameters:
- name: id
in: query
required: true
description: BikePoint id
schema:
type: string
example: BikePoints_1
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__bike-point
servers:
- url: https://fourzerotwo.si
/v1/london-transport/road-status:
get:
operationId: london_transport__road_status
summary: 'London Transport: Road corridor status'
description: 'Live status of major London road corridors. Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/road-status
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__road-status
servers:
- url: https://fourzerotwo.si
/v1/london-transport/road-disruption:
get:
operationId: london_transport__road_disruption
summary: 'London Transport: Road disruptions'
description: 'Current disruption on a road corridor, e.g. "a2", "a406". Price: $0.002 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/road-disruption
parameters:
- name: road
in: query
required: true
description: Road id
schema:
type: string
example: a406
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.002000'
x-free-tier: sample
x-mcp-tool: london-transport__road-disruption
servers:
- url: https://fourzerotwo.si
/v1/london-transport/air-quality:
get:
operationId: london_transport__air_quality
summary: 'London Transport: Air quality forecast'
description: 'London air quality forecast for today and tomorrow. Price: $0.001 USDC per call via x402. 3 free calls/day with a free key.'
tags:
- london-transport
externalDocs:
url: https://fourzerotwo.si/apis/london-transport/air-quality
responses:
'200':
description: The data (paid, or free tier).
content:
application/json: {}
'402':
$ref: '#/components/responses/PaymentRequired'
'400':
$ref: '#/components/responses/Error'
'404':
$ref: '#/components/responses/Error'
'502':
$ref: '#/components/responses/Error'
security:
- {}
- freeKey: []
x-price-usd: '0.001000'
x-free-tier: sample
x-mcp-tool: london-transport__air-quality
servers:
- url: https://fourzerotwo.si
components:
responses:
PaymentRequired:
description: x402 payment required. The body (also base64 in the PAYMENT-REQUIRED header) lists accepted payments.
headers:
PAYMENT-REQUIRED:
schema:
type: string
description: Base64 JSON x402 v2 PaymentRequired
content:
application/json:
schema:
type: object
properties:
x402Version:
type: integer
error:
type: string
accepts:
type: array
items:
type: object
Error:
description: 400 = invalid input, 404 = not found at the source, 502 = the source failed. Never charged.
content:
application/json:
schema:
type: object
properties:
error:
type: string
charged:
type: boolean
securitySchemes:
freeKey:
type: apiKey
in: header
name: X-API-Key
description: Optional free key (fzt_…) for the free tier.
x-refined-from:
- openapi.json
- fourzerotwo-si-openapi.json