The Canadian Clinical Drug Data Set April 2025 release is now available for access and implementation on the Terminology Server and Terminology Gateway. Learn More >

Important Update: We are pleased to announce significant enhancements to our FHIR Terminology Server, offering more seamless and standards-based access to terminology content for healthcare data exchange. Discover the new features and upcoming changes to our Terminology Gateway. Learn More >

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HL7 Application Programming Interface (HAPI)

Powering FHIR® Connectivity with HAPI

HAPI (HL7 Application Programming Interface) FHIR® is an open-source Java library designed to simplify the implementation of FHIR messaging in applications. It provides developers with the tools to create, parse, validate, and transmit FHIR data, making it easier to integrate healthcare systems and enable seamless data exchange.

HAPI FHIR

 

External Solutions for API integration

Open source integration tools useful for health IT integration projects.

 
HAPI v2
 

HAPI for HL7 v2 messages is an open-source, object oriented HL7 v2.x parser developed for the Java platform.

 
HAPI FHIR
 

HAPI FHIR is a simple-but-powerful library for adding FHIR messaging to your application. It is pure Java compatible and licensed under the business-friendly Apache Software License, version 2.0.

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