This documentation guides you in understanding and integrating the openIMIS FHIR R4 APIs. It specifically covers the Login and Insured Patient Enquiry endpoints. These FHIR R4 APIs enable developers and implementers to securely query insured patient information from openIMIS and integrate it into applications, web portals, or internal systems. This documentation presents the available endpoints, their JWT-based authentication mechanisms, operational modes, and integration best practices.