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TfL playground guide

This guide explains what the TfL API playground demonstrates and how to interpret the demo behavior.

What this playground demonstrates​

The TfL playground demonstrates interactive API exploration with practical transport-focused examples and no-auth defaults.

Scope and limits​

  • The playground and its OpenAPI file describe five GET operations only.
  • The defaults give fast, successful responses.
  • Use the demo for onboarding and platform evaluation.

OpenAPI description​

Download the canonical spec bundled with this site:

tfl-playground.json

Included demo operations​

  • GET /Line/Mode/{modes}/Status
  • GET /StopPoint/Search/{query}
  • GET /BikePoint

Try-it defaults​

Defaults are pre-filled to reduce setup time:

  • modes=tube
  • detail=false
  • query=waterloo

Expected response behavior​

Requests return useful data. You don't need to supply credentials.