Transport for London, England
TfL API
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Transportation
- Data source
- public-apis + marcelscruz
- Documentation / URL
- https://api.tfl.gov.uk
Overview
Transport for London (TfL) provides London transit — public endpoints work without a key (verified live); a key unlocks higher limits.
Quick Start
Arrivals (verified live — Metropolitan line):
curl "https://api.tfl.gov.uk/Line/Metropolitan/Arrivals"Authentication
- Optional: register at api.tfl.gov.uk → API key.
- Public endpoints work keyless (verified).
Rate Limits & Notes
- Free tier with limits (check the docs).
- Lines, stops, arrivals.
FAQ
Is Transport for London free? Yes — public endpoints keyless (verified).
Does it need a key? No for public reads (verified).
What does it return? TfL transit data.
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