Documentation for developers

The STH developer documentation is now available, providing a comprehensive guide to connecting to the service.

The documentation provides detailed information on:

The previously published API documentation forms an integral part of this documentation.

The developer documentation is available in the Documents section or directly here. The documentation is currently available only in Hungarian.

Adopt out complete solution and keep your T+1 preparation on track for the 7 December 2026 readiness milestone.

Discuss your T+1 connectivity requirements with our team: