Common specifications

The specifications that apply to several Kanta Services have been gathered on this page. Service-specific specifications, descriptions and instructions for individual services are found on the separate specification pages of each service.

Common specifications include

  • Overview of data sharing management
  • Declarations of intent
  • Processing of functional capacity data
  • Versioning policies for specifications
  • Technical connection models
  • Data communication and messaging security requirements
  • Data for parties in Kanta messaging
  • Specification for electronic signature
  • Interfaces of the National Code Service and instructions for joining
  • Log specifications
  • Basic requirements for the use of SOTE code sets
  • HL7-Finland: Data types
  • HL7-Finland: V3 messages
  • FHIR (Fast Healthcare Interoperability Resource): Specification for electronic signature
  • FHIR (Fast Healthcare Interoperability Resource): JSON Web Token
  • FHIR (Fast Healthcare Interoperability Resource): Kanta FHIR HTTP header

More detailed information about the specifications and the specification documents are available on the Finnish-language page.

Last updated 11.11.2025