This Documentation is written for third party developers, who are utilizing this RESTful API to develop software or applications for Protected health Information (PHI). This API enables applications to query from a data holder using a public API. This RESTful server is fully implemented to provide a secure access to patient data based on the FHIR® Standard, Version 3.0.1 (STU 3); All the requests via HTTPS to ensure security, and the authorization process would be protected using OAuth 2.0 Standard.