{"service":"Notification Service","version":"1.0.0","status":"operational","provider":"mailgun","region":"eu","endpoints":{"root":"GET /","health":"GET /healthz","readiness":"GET /readyz","metrics":"GET /metrics","sendEmail":"POST /email/send","emailStatus":"GET /email/status/:id"},"features":{"async":true,"queue":"memory","metrics":true,"idempotency":true}}