{"message":"Notify Email API - High-performance email sending service via SendGrid","service":"Notify Email API","version":"1.0.0","timestamp":"2026-04-14T00:58:28.542Z","environment":"production","endpoints":{"health":"/health","docs":"/docs","send":"POST /api/email/send","sendBatch":"POST /api/email/send-batch"},"documentation":{"authentication":"Include X-API-Key header or Authorization: Bearer <token>","rateLimit":"100 requests per 60 seconds"}}