NextBuses API
What is it?
The NextBuses API is an open API offered by Traveline Information Limited, subject to users signing the licence agreement based on the Open Government Licence.
The API allows users to access live departure information by stop across Great Britain. Real time information will be provided where it is available and scheduled departures where not. A list of ATCO areas where real time may be accessible is available here (last updated 2nd May 2025).
The technical guidance for the API is available here.
Terms of use
The API is made available with a free-to-user limit of 180,000 hits per 6 month period. Any usage above this level is chargeable at £0.96 per 1000 hits.
The licence agreement, including full financial terms, is available here.
By signing the Nextbuses API Licence Agreement you are accepting our privacy policy, which describes how we use your personal data.
Privacy Notice Nextbuses API
SIRI
The API is based on the SIRI standard, using the SIRI-SM function through a request/response communication mechanism. SIRI is an XML protocol that allows the exchange of real time information about public transport services and vehicles.
You find out more about SIRI (Service Interface for Real Time Information) here.