PASAR API

🇬🇧 Transport for London ~ TfL Unified API

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Transport for LondonTravel & mobilitytier: openauth: API keypricing: freeverified 2026-07-05

Free; an optional app key (register on the portal) raises rate limits. Covers live Tube/bus/rail arrivals, line status, journey planning, and cycle hire.

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# Transport for London ~ TfL Unified API needs an API key ~ get yours at:
# https://api-portal.tfl.gov.uk/
curl 'https://api.tfl.gov.uk/' \
  -H 'Authorization: Bearer YOUR_TOKEN'

AI prompt

I'm integrating a United Kingdom API into my app.

API: Transport for London ~ TfL Unified API
Provider: Transport for London
Auth: requires an API key (sign up: https://api-portal.tfl.gov.uk/)
Pricing: free
Base URL: https://api.tfl.gov.uk/
Important note: Free; an optional app key (register on the portal) raises rate limits. Covers live Tube/bus/rail arrivals, line status, journey planning, and cycle hire.

Source: Transport for London (https://api-portal.tfl.gov.uk/)
Source type: Official public feed
Endpoint type: Direct public JSON endpoint
Integration difficulty: Needs API key
Last checked: 2026-07-05
Production caveat: Keep credentials server-side and confirm current limits, pricing, and webhook/error behaviour in the provider docs.

Help me set up the correct onboarding/authentication path and make the first valid request ~ explain exactly where credentials go and what must happen before production.

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