{"status":"CONFIGURED","market":"9 million enrolled veterans","api":"VA Health FHIR API (Lighthouse)","base_url":"https://sandbox-api.va.gov/services/fhir/v0/r4","auth":"OAuth 2.0 + SMART on FHIR (PKCE)","sandbox_url":"https://sandbox-api.va.gov/services/fhir/v0/r4","production_url":"https://api.va.gov/services/fhir/v0/r4","registration":"developer.va.gov — register MyRxWallet app for sandbox key","resources_available":["Patient","Observation","MedicationRequest","AllergyIntolerance","Condition","Immunization","Procedure","DiagnosticReport","Appointment","Coverage","Practitioner","Organization"],"va_contract_note":"Oracle/Cerner holds the VA EHR contract (10yr, $10B). VistA replacement. MyRxWallet can serve as patient-facing layer and FHIR bridge for veteran data portability.","myrxwallet_advantage":"Veteran patients can pull their VA health data via our payer API and consent to provider access — without Oracle's permission."}