{"success":true,"message":"Mock Payer Backend — pVerify-compatible APIs (RCM)","version":"2.0.0","status":"operational","availableEndpoints":{"health":"/api/health","token":"POST /Token","eligibilitySummary":"POST /API/EligibilitySummary → GET /API/GetEligibilitySummary/:id","eligibilityInquiry":"POST /API/EligibilityInquiry → GET /API/GetEligibilityResponse/:id","insuranceDiscovery":"POST /API/InsuranceDiscovery → GET /API/GetInusuranceDiscoverySummaryResponse/:id","payers":"GET /API/GetAllPayers","payerStatus":"GET /API/GetPayerStatus?payerCode=","scenarios":"GET /API/_scenarios"}}