Technical connectivity is essential for a secure data exchange in the EHDS. The following checklist will guide you through the technical preparation:

• API standards according to HL7 FHIR or DICOM have been implemented
• Interfaces have been tested and function reliably
• API documentation is available and understandable
• Access control and security measures are activated (e.g., OAuth2, encryption)
• Monitoring tools are set up to monitor usage and errors
• Data formats comply with EU standards for interoperability