Caledonian Sleeper and Trainline announce new API update
21 April 2026
We have partnered with Trainline to offer an update to their API for any users using their Global API or agent tool.
For the first time all Caledonian Sleeper rooms and seats will be available, enabling partners to have m more options when booking Caledonian Sleeper travel between London, Birmingham and Scotland.
The new feature allows partners to book Caledonian Double, Club En-Suite and Classic rooms, as well as seats.
Key benefits include:
- Agents can now book all Caledonian Sleeper fares directly within Agent Tool
- Access to premium overnight rooms for corporate travellers
- Improved duty-of-care with full passenger and allocation visibility
- Stronger UK rail offering for RFPs and corporate retention
- Increased competitiveness versus air on London-Scotland routes
Result: A more complete UK rail solution and improved traveller experience.
To find out more about how to implement the new features into your system please read the release notes here.