Implementing Send Notification API in Notification Service 📩

Published: 25 October 2025
on channel: Backend Verse

495

Implementing Send Notification API in Notification Service 📩

Welcome to Backend Verse! 🌿
In this video, we’ll implement the Send Notification API in our Notification Microservice, built using Spring Boot and Kafka. You’ll learn how to design a clean, scalable, and event-driven notification workflow used in real production systems. ⚡

Ever wondered:
👉 How to design a notification API that supports multiple channels like Email, SMS, and Push?
👉 How to validate templates and publish messages to Kafka efficiently?
👉 How to handle failures and ensure message delivery reliability?

That’s exactly what you’ll learn in this video! 🔥

📝 What You’ll Learn
📌 Designing a Send Notification API (Request, Validation & Response)
⚡ Integrating Kafka Publisher for Asynchronous Messaging
🔑 Implementing End-to-End Flow (Controller → Service → Kafka)
🏗️ Handling Validation & Error Scenarios Gracefully
💡 Best Practices for Reliable Notification Delivery

🎯 Why Watch This Video?
✔️ Learn to design a production-grade Notification Service
✔️ Understand event-driven communication using Kafka
✔️ Improve API reliability and scalability
✔️ Get real-world backend architecture insights
✔️ Prepare for microservices and Kafka interview questions

🧩 Tech Stack
Gradle
Intellij
Java 21
Spring Boot 3
Apache Kafka
Redis
MongoDB
Docker
Docker Compose

🕒 Timestamps

00:00 – Introduction & Video Overview | Implementing Send Notification API in Spring Boot Notification Service
00:37 – Creating Notification Controller & Package Setup | API Versioning Explained (v1/v2 Best Practices)
01:34 – Building Send Notification Request DTO | Data Transfer Object for Notification Payload
04:28 – Developing Notification Service Layer | Business Logic for Sending Notifications
09:50 – Understanding MDC & Request ID Tracking | Log Correlation in Microservices
12:20 – Video Recap & Next Steps | Upcoming: Implementing Generic Publisher for Notifications

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👉 Watch the full Spring Boot Http Client series here:    • Master HTTP Clients in Spring Boot 🚀 | Res...

🔗 GitHub Code
👉 https://github.com/backendverse/notif...

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#springboot #microservices #kafka #restapis #backendverse #spring #springboottutorial #springbootproject #pubsub #publisher #consumer #kafkaarchitecture #kafkabeginners #kafka

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